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5 | Venus rotates so slowly that a day on Venus (243 Earth days) is longer than a year on Venus (225 Earth days). | science | modern | null | gold | 0.95 | 5 | 9 | high | https://www.deepinquiry.ai/fact/venus-rotates-so-slowly-that-a-day-on-5 | [
{
"url": "https://www.universetoday.com/articles/rotation-of-venus",
"title": "https://www.universetoday.com/articles/rotation-of-venus"
},
{
"url": "https://spaceplace.nasa.gov/all-about-venus/en/",
"title": "https://spaceplace.nasa.gov/all-about-venus/en/"
},
{
"url": "https://www.brit... |
16 | Ancient Roman concrete, used in structures like the Pantheon, has proven remarkably durable, in part because lime clasts and reactions with seawater form self-healing mineral phases (Al-tobermorite and phillipsite) that reinforce the material over centuries. | history | ancient | Europe | gold | 0.892 | 6 | 8 | high | https://www.deepinquiry.ai/fact/ancient-roman-concrete-used-in-structures-like-the-16 | [
{
"url": "https://www.sciencealert.com/why-2-000-year-old-roman-concrete-is-so-much-better-than-what-we-produce-today",
"title": "https://www.sciencealert.com/why-2-000-year-old-roman-concrete-is-so-much-better-than-what-we-produce-today"
},
{
"url": "https://www.science.org/doi/10.1126/sciadv.add16... |
22 | The Pony Express, icon of the American West, operated for only 18 months (1860-1861) before the transcontinental telegraph made it obsolete. | history | 1800s | North America | gold | 0.871 | 7 | 8 | high | https://www.deepinquiry.ai/fact/the-pony-express-icon-of-the-american-west-22 | [
{
"url": "https://www.encyclopedia.com/history/united-states-and-canada/us-history/pony-express",
"title": "https://www.encyclopedia.com/history/united-states-and-canada/us-history/pony-express"
},
{
"url": "https://www.loc.gov/item/today-in-history/october-24/",
"title": "https://www.loc.gov/it... |
25 | The mantis shrimp can punch with the acceleration of a .22 caliber bullet, creating cavitation bubbles that reach 4,700°C—nearly as hot as the sun's surface. | nature | modern | global | gold | 0.861 | 9 | 9 | high | https://www.deepinquiry.ai/fact/the-mantis-shrimp-can-punch-with-the-acceleration-25 | [
{
"url": "https://news.wttw.com/2021/09/28/scientists-recreate-mighty-punch-mantis-shrimp-robot",
"title": "https://news.wttw.com/2021/09/28/scientists-recreate-mighty-punch-mantis-shrimp-robot"
},
{
"url": "https://sites.nd.edu/biomechanics-in-the-wild/2019/03/05/how-the-mantis-shrimp-packs-its-pun... |
27 | The wood frog can survive being frozen solid during winter, with up to 70% of its body water turning to ice, then thaw and resume normal activity. | nature | null | North America | gold | 0.908 | 6 | 9 | high | https://www.deepinquiry.ai/fact/the-wood-frog-can-survive-being-frozen-solid-27 | [
{
"url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8067143/",
"title": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8067143/"
},
{
"url": "https://www.discoverwildcare.com/animal-facts/amphibians/wood-frog",
"title": "https://www.discoverwildcare.com/animal-facts/amphibians/wood-frog"
},
... |
32 | Wombat feces are cube-shaped, with researchers confirming this results from the unique elasticity of their intestines, not diet—helping mark territory without rolling away. | nature | modern | Oceania | gold | 0.687 | 8 | 8 | high | https://www.deepinquiry.ai/fact/wombat-feces-are-cube-shaped-with-researchers-confirming-this-32 | [
{
"url": "https://www.science.org/content/article/how-do-wombats-poop-cubes-scientists-get-bottom-mystery",
"title": "https://www.science.org/content/article/how-do-wombats-poop-cubes-scientists-get-bottom-mystery"
},
{
"url": "https://www.smithsonianmag.com/smart-news/scientists-have-solved-mystery... |
40 | LCD displays work by twisting liquid crystal molecules with electric fields; without power, some LCDs appear white while others appear black. | technology | modern | global | gold | 0.855 | 10 | 5 | high | https://www.deepinquiry.ai/fact/lcd-displays-work-by-twisting-liquid-crystal-molecules-40 | [
{
"url": "https://arxiv.org/pdf/1801.09812",
"title": "https://arxiv.org/pdf/1801.09812"
},
{
"url": "https://www.sciencedirect.com/topics/engineering/liquid-crystal-display",
"title": "https://www.sciencedirect.com/topics/engineering/liquid-crystal-display"
},
{
"url": "https://orientdi... |
43 | There are more stars in the observable universe than grains of sand on all of Earth's beaches—estimated at 10^24 stars versus roughly 10^18 to 10^19 grains. | space | modern | null | gold | 0.858 | 6 | 7 | high | https://www.deepinquiry.ai/fact/there-are-more-stars-in-the-observable-universe-43 | [
{
"url": "https://skyandtelescope.org/astronomy-resources/how-many-stars-are-there/",
"title": "https://skyandtelescope.org/astronomy-resources/how-many-stars-are-there/"
},
{
"url": "https://consensus.app/questions/number-of-stars-in-the-observable-universe/",
"title": "https://consensus.app/qu... |
44 | The footprints left by Apollo astronauts on the Moon will likely remain visible for millions of years because there is no wind or water to erase them. | space | 20th century | null | gold | 0.889 | 9 | 6 | high | https://www.deepinquiry.ai/fact/the-footprints-left-by-apollo-astronauts-on-the-44 | [
{
"url": "https://bigthink.com/starts-with-a-bang/astronaut-footprints-disappearing-moon/",
"title": "https://bigthink.com/starts-with-a-bang/astronaut-footprints-disappearing-moon/"
},
{
"url": "https://spacedaily.com/t-the-footprints-left-by-apollo-astronauts-on-the-lunar-surface-will-remain-there... |
45 | The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a galactic filament spanning roughly 10 billion light-years. | space | modern | null | gold | 0.833 | 6 | 8 | high | https://www.deepinquiry.ai/fact/the-largest-known-structure-in-the-universe-is-45 | [
{
"url": "https://www.skyatnightmagazine.com/space-science/hercules-corona-borealis-great-wall",
"title": "https://www.skyatnightmagazine.com/space-science/hercules-corona-borealis-great-wall"
},
{
"url": "https://www.scienceabc.com/nature/universe/what-is-the-biggest-thing-in-the-universe",
"ti... |
46 | Saturn's moon Titan has lakes and rivers of liquid methane and ethane, making it the only body in our solar system besides Earth with stable surface liquids. | space | modern | null | silver | 0.99 | 5 | 9 | high | https://www.deepinquiry.ai/fact/saturns-moon-titan-has-lakes-and-rivers-of-46 | [
{
"url": "https://science.nasa.gov/missions/cassini/cassini-reveals-surprises-with-titans-lakes/",
"title": "https://science.nasa.gov/missions/cassini/cassini-reveals-surprises-with-titans-lakes/"
},
{
"url": "https://science.nasa.gov/resource/titan-flyover",
"title": "https://science.nasa.gov/r... |
47 | The Pirahã people of the Amazon have no words for specific numbers, colors, or perfect tenses, and their language contains no recursion—challenging Chomsky's theory of universal grammar. | culture | modern | South America | gold | 0.905 | 11 | 9 | high | https://www.deepinquiry.ai/fact/the-pirah-people-of-the-amazon-have-no-47 | [
{
"url": "https://www.sciencenews.org/article/pirah%C3%A3-challenge",
"title": "https://www.sciencenews.org/article/pirah%C3%A3-challenge"
},
{
"url": "https://www.edge.org/conversation/daniel_l_everett-recursion-and-human-thought",
"title": "https://www.edge.org/conversation/daniel_l_everett-re... |
52 | The Basque language is a language isolate unrelated to any other known language on Earth, predating the arrival of Indo-European languages in Europe by thousands of years. | culture | null | Europe | silver | 0.792 | 6 | 8 | high | https://www.deepinquiry.ai/fact/the-basque-language-is-a-language-isolate-unrelated-52 | [
{
"url": "https://www.britannica.com/topic/Basque-language",
"title": "https://www.britannica.com/topic/Basque-language"
},
{
"url": "https://www.langcen.cam.ac.uk/resources/langb/basque.html",
"title": "https://www.langcen.cam.ac.uk/resources/langb/basque.html"
},
{
"url": "https://www.... |
54 | Africa is the only continent that spans all four hemispheres (Northern, Southern, Eastern, and Western), extending from 37°N to 35°S and from 17°W to 51°E. | geography | null | Africa | silver | 0.75 | 7 | 7 | high | https://www.deepinquiry.ai/fact/africa-is-the-only-continent-that-spans-all-54 | [
{
"url": "https://www.geographyrealm.com/continent-lies-four-hemispheres/",
"title": "https://www.geographyrealm.com/continent-lies-four-hemispheres/"
},
{
"url": "https://www.worldatlas.com/articles/which-continent-is-situated-in-all-four-hemispheres.html",
"title": "https://www.worldatlas.com/... |
56 | Russia has 11 time zones, but France holds the world record with 12 due to its overseas territories spanning from French Guiana to French Polynesia. | geography | modern | global | silver | 0.767 | 9 | 8 | high | https://www.deepinquiry.ai/fact/russia-has-11-time-zones-but-france-holds-56 | [
{
"url": "https://www.guinnessworldrecords.com/world-records/584626-country-with-the-most-time-zones",
"title": "https://www.guinnessworldrecords.com/world-records/584626-country-with-the-most-time-zones"
},
{
"url": "https://www.worldatlas.com/articles/how-many-time-zones-are-in-russia.html",
"... |
58 | A pizza can be cut into 11 equal pieces using only 4 straight cuts, and more generally, n straight cuts can divide a circle into up to (n²+n+2)/2 pieces—far more than the 2n pieces most people expect. | mathematics | modern | null | silver | 0.812 | 8 | 8 | high | https://www.deepinquiry.ai/fact/a-pizza-can-be-cut-into-11-equal-58 | [
{
"url": "https://en.wikipedia.org/wiki/Lazy_caterer's_sequence",
"title": "https://en.wikipedia.org/wiki/Lazy_caterer's_sequence"
},
{
"url": "https://mathworld.wolfram.com/CircleDivisionbyLines.html",
"title": "https://mathworld.wolfram.com/CircleDivisionbyLines.html"
},
{
"url": "http... |
59 | The number 73 is the 21st prime number, and its reverse 37 is the 12th prime, while 21 is the product of 7 and 3—making it a 'prime factor mirror prime' and Sheldon Cooper's favorite number in The Big Bang Theory. | mathematics | modern | null | silver | 0.525 | 9 | 6 | high | https://www.deepinquiry.ai/fact/the-number-73-is-the-21st-prime-number-59 | [
{
"url": "https://en.wikipedia.org/wiki/73_(number)",
"title": "https://en.wikipedia.org/wiki/73_(number)"
},
{
"url": "https://en.wikipedia.org/wiki/37_(number)",
"title": "https://en.wikipedia.org/wiki/37_(number)"
},
{
"url": "https://www.mathnasium.com/math-centers/westcounty/news/ba... |
73 | Ancient Egyptians grew flax as an industrial crop. | history | Ancient Egypt (c. 3100-30 BCE) | Egypt/North Africa | gold | 0.85 | 6 | 3 | high | https://www.deepinquiry.ai/fact/ancient-egyptians-grew-flax-as-an-industrial-crop-73 | [
{
"url": "https://en.wikipedia.org/wiki/Ancient_Egyptian_agriculture",
"title": "Ancient Egyptian agriculture"
},
{
"url": "https://www.nature.com/articles/s41477-021-00998-8",
"title": "https://www.nature.com/articles/s41477-021-00998-8"
},
{
"url": "https://www.ucl.ac.uk/museums-static... |
78 | Ancient Egyptian coffins were believed to act as a portal between the worlds of the living and the dead. | history | Ancient Egypt | Egypt | gold | 0.887 | 8 | 6 | high | https://www.deepinquiry.ai/fact/ancient-egyptian-coffins-were-believed-to-act-as-78 | [
{
"url": "https://en.wikipedia.org/wiki/Ancient_Egyptian_coffins",
"title": "Ancient Egyptian coffins"
},
{
"url": "https://arce.org/resource/development-egyptian-coffin/",
"title": "https://arce.org/resource/development-egyptian-coffin/"
},
{
"url": "https://lsa.umich.edu/content/dam/ke... |
81 | Ovis longipes palaeoaegyptiacus was one of the two most commonly domesticated sheep depicted on the reliefs of early pharaonic tombs. | history | Ancient Egypt (early pharaonic period, c. 3100-2686 BCE) | Egypt | gold | 0.8 | 7 | 7 | high | https://www.deepinquiry.ai/fact/ovis-longipes-palaeoaegyptiacus-was-one-of-the-two-81 | [
{
"url": "https://en.wikipedia.org/wiki/Ancient_Egyptian_corkscrew-horned_sheep",
"title": "Ancient Egyptian corkscrew-horned sheep"
},
{
"url": "https://www.sciencedirect.com/science/article/abs/pii/S0305440324001729",
"title": "https://www.sciencedirect.com/science/article/abs/pii/S03054403240... |
82 | Ovis longipes palaeoaegyptiacus had unique, loosely spiraling horns that came out of the sides of the skull. | nature | ancient | Egypt | gold | 0.845 | 10 | 8 | high | https://www.deepinquiry.ai/fact/ovis-longipes-palaeoaegyptiacus-had-unique-loosely-spiraling-horns-82 | [
{
"url": "https://en.wikipedia.org/wiki/Ancient_Egyptian_corkscrew-horned_sheep",
"title": "Ancient Egyptian corkscrew-horned sheep"
},
{
"url": "https://www.naturalsciences.be/en/science/news/ancient-egyptians-deformed-sheep-horns",
"title": "https://www.naturalsciences.be/en/science/news/ancie... |
92 | Before the marine chronometer, ships could determine latitude from celestial observations but had no reliable way to determine longitude at sea, because no timekeeper survived shipboard conditions accurately enough. | technology | pre-18th century | global | gold | 0.856 | 8 | 6 | high | https://www.deepinquiry.ai/fact/before-the-marine-chronometer-ships-could-determine-latitude-92 | [
{
"url": "https://en.wikipedia.org/wiki/Blown_off_course",
"title": "Blown off course"
},
{
"url": "https://www.britannica.com/technology/navigation-technology/Longitude-measurements",
"title": "https://www.britannica.com/technology/navigation-technology/Longitude-measurements"
},
{
"url... |
116 | Quantum calculus (q-calculus) is sometimes called 'calculus without limits' because it develops derivatives, integrals, and analogous results without using the notion of limits, in contrast to traditional infinitesimal calculus. | science | modern | global | gold | 1 | 6 | 8 | high | https://www.deepinquiry.ai/fact/quantum-calculus-q-calculus-is-sometimes-called-calculus-without-116 | [
{
"url": "https://en.wikipedia.org/wiki/Quantum_calculus",
"title": "Quantum calculus"
},
{
"url": "https://mathworld.wolfram.com/q-Calculus.html",
"title": "https://mathworld.wolfram.com/q-Calculus.html"
},
{
"url": "https://arxiv.org/pdf/1306.1327",
"title": "https://arxiv.org/pdf/... |
117 | The two types of calculus within quantum calculus are q-calculus and h-calculus. | science | modern | global | gold | 0.867 | 6 | 7 | high | https://www.deepinquiry.ai/fact/the-two-types-of-calculus-within-quantum-calculus-117 | [
{
"url": "https://en.wikipedia.org/wiki/Quantum_calculus",
"title": "Quantum calculus"
},
{
"url": "https://link.springer.com/chapter/10.1007/978-1-4613-0071-7_1",
"title": "https://link.springer.com/chapter/10.1007/978-1-4613-0071-7_1"
},
{
"url": "https://books.google.de/books/about/Qu... |
119 | In h-calculus, the original mathematical object is recovered by taking the limit as the parameter h tends to 0 of the h-analog. | science | modern | global | gold | 0.95 | 3 | 7 | high | https://www.deepinquiry.ai/fact/in-h-calculus-the-original-mathematical-object-is-recovered-119 | [
{
"url": "https://en.wikipedia.org/wiki/Quantum_calculus",
"title": "Quantum calculus"
},
{
"url": "https://arxiv.org/pdf/1008.0672",
"title": "https://arxiv.org/pdf/1008.0672"
},
{
"url": "https://arxiv.org/pdf/1306.1327",
"title": "https://arxiv.org/pdf/1306.1327"
},
{
"url... |
128 | Early astronomical records from the Babylonians date back to around 1000 BC. | history | ancient | Middle East | gold | 0.85 | 6 | 4 | high | https://www.deepinquiry.ai/fact/early-astronomical-records-from-the-babylonians-date-back-128 | [
{
"url": "https://en.wikipedia.org/wiki/History_of_astronomy",
"title": "History of astronomy"
},
{
"url": "https://www.mixplaces.com/babylonians-and-star-mapping",
"title": "https://www.mixplaces.com/babylonians-and-star-mapping"
},
{
"url": "https://arxiv.org/pdf/physics/0407108",
... |
130 | Central American cultures showed astronomical interest in early history. | history | ancient (1200 BCE - 900 CE) | Central America/Mesoamerica | gold | 0.867 | 6 | 4 | high | https://www.deepinquiry.ai/fact/central-american-cultures-showed-astronomical-interest-in-early-130 | [
{
"url": "https://en.wikipedia.org/wiki/History_of_astronomy",
"title": "History of astronomy"
},
{
"url": "https://www.science.org/doi/10.1126/sciadv.abq7675",
"title": "https://www.science.org/doi/10.1126/sciadv.abq7675"
},
{
"url": "https://brewminate.com/astronomy-in-pre-columbian-me... |
133 | French scientists traveled to Campbell Island to observe the 1874 transit of Venus. | science | 19th century | Pacific/Oceania | gold | 0.867 | 3 | 7 | high | https://www.deepinquiry.ai/fact/french-scientists-traveled-to-campbell-island-to-observe-133 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Campbell_Island",
"title": "1874 Transit of Venus Expedition to Campbell Island"
},
{
"url": "https://teara.govt.nz/en/photograph/38550/german-expedition-on-auckland-island",
"title": "https://teara.govt.nz/en/photograph... |
136 | Multiple countries sent scientific expeditions around the world to observe the 1874 transit of Venus. | science | 19th century | global | gold | 1 | 5 | 7 | high | https://www.deepinquiry.ai/fact/multiple-countries-sent-scientific-expeditions-around-the-world-136 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Campbell_Island",
"title": "1874 Transit of Venus Expedition to Campbell Island"
},
{
"url": "https://www.royalobservatorygreenwich.org/articles.php?article=1190",
"title": "https://www.royalobservatorygreenwich.org/arti... |
137 | On December 8, 1874, British scientists conducted an astronomical expedition to observe the transit of Venus from three separate sites in the Hawaiian Islands. | science | 19th century | Pacific/Hawaii | gold | 0.936 | 7 | 7 | high | https://www.deepinquiry.ai/fact/on-december-8-1874-british-scientists-conducted-an-137 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Hawaii",
"title": "1874 Transit of Venus Expedition to Hawaii"
},
{
"url": "https://www.royalobservatorygreenwich.org/articles.php?article=1190",
"title": "https://www.royalobservatorygreenwich.org/articles.php?article=1... |
140 | The 1874 transit of Venus expeditions were designed to obtain an accurate estimate of the astronomical unit (AU), the distance from Earth to the Sun, by measuring solar parallax. | science | 19th century | global | gold | 0.988 | 8 | 6 | high | https://www.deepinquiry.ai/fact/the-1874-transit-of-venus-expeditions-were-designed-140 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Hawaii",
"title": "1874 Transit of Venus Expedition to Hawaii"
},
{
"url": "https://astro.ukho.gov.uk/nao/transit/V_1874/index.html",
"title": "https://astro.ukho.gov.uk/nao/transit/V_1874/index.html"
},
{
"url":... |
141 | Scientists attempted to measure the astronomical unit by observing the transit of Venus in 1769. | science | 18th century | global | gold | 0.975 | 6 | 7 | high | https://www.deepinquiry.ai/fact/scientists-attempted-to-measure-the-astronomical-unit-by-141 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Hawaii",
"title": "1874 Transit of Venus Expedition to Hawaii"
},
{
"url": "https://www.loc.gov/collections/transit-of-venus-march/articles-and-essays/what-is-the-transit-of-venus/",
"title": "https://www.loc.gov/collect... |
142 | The black drop effect hampered efforts to obtain a precise value of the astronomical unit during the 1769 transit of Venus observations. | science | 18th century | global | gold | 0.9 | 5 | 7 | high | https://www.deepinquiry.ai/fact/the-black-drop-effect-hampered-efforts-to-obtain-142 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Hawaii",
"title": "1874 Transit of Venus Expedition to Hawaii"
},
{
"url": "https://skyandtelescope.org/astronomy-news/history-and-sky-lore/the-transit-of-venus-tales-from-the-18th-and-19th-centuries/",
"title": "https:/... |
143 | The Cambridge Digital Library holds a collection of papers relating to the 1874 Transit of Venus Expedition to Hawaii. | science | 19th century | Hawaii/Pacific | gold | 0.963 | 4 | 6 | high | https://www.deepinquiry.ai/fact/the-cambridge-digital-library-holds-a-collection-of-143 | [
{
"url": "https://en.wikipedia.org/wiki/1874_Transit_of_Venus_Expedition_to_Hawaii",
"title": "1874 Transit of Venus Expedition to Hawaii"
},
{
"url": "https://www.royalobservatorygreenwich.org/articles.php?article=1190",
"title": "https://www.royalobservatorygreenwich.org/articles.php?article=1... |
144 | Andean dark constellations are called 'yana phuyu' in Quechua, which literally translates to 'black cloud'. | culture | traditional/ongoing | South America | silver | 0.812 | 4 | 7 | high | https://www.deepinquiry.ai/fact/andean-dark-constellations-are-called-yana-phuyu-in-144 | [
{
"url": "https://en.wikipedia.org/wiki/Andean_dark_constellations",
"title": "Andean dark constellations"
},
{
"url": "https://astronoo.com/en/andean-astronomy.html",
"title": "https://astronoo.com/en/andean-astronomy.html"
},
{
"url": "https://www.tumblr.com/faunaleye/60938600162/incai... |
145 | Pre-Columbian civilizations of the Andes region identified astronomical configurations based on dark silhouettes rather than bright stars. | history | pre-Columbian | South America (Andes) | gold | 0.827 | 11 | 8 | high | https://www.deepinquiry.ai/fact/pre-columbian-civilizations-of-the-andes-region-identified-astronomical-145 | [
{
"url": "https://en.wikipedia.org/wiki/Andean_dark_constellations",
"title": "Andean dark constellations"
},
{
"url": "https://astronoo.com/en/andean-astronomy.html",
"title": "https://astronoo.com/en/andean-astronomy.html"
},
{
"url": "https://www.sciencefriday.com/articles/deep-roots-... |
146 | Andean dark constellations are formed by molecular clouds and interstellar dust lanes located along the Milky Way. | culture | ancient_to_modern | South America | gold | 0.844 | 9 | 8 | high | https://www.deepinquiry.ai/fact/andean-dark-constellations-are-formed-by-molecular-clouds-146 | [
{
"url": "https://en.wikipedia.org/wiki/Andean_dark_constellations",
"title": "Andean dark constellations"
},
{
"url": "https://astronoo.com/en/andean-astronomy.html",
"title": "https://astronoo.com/en/andean-astronomy.html"
},
{
"url": "https://www.tumblr.com/faunaleye/60938600162/incai... |
162 | Abo Elementary School was designed to function as an advanced fallout shelter. | history | Cold War (1962) | United States (New Mexico) | gold | 0.875 | 6 | 8 | high | https://www.deepinquiry.ai/fact/abo-elementary-school-was-designed-to-function-as-162 | [
{
"url": "https://en.wikipedia.org/wiki/Abo_Elementary_School",
"title": "Abo Elementary School"
},
{
"url": "https://www.nps.gov/places/abo_school-nm.htm",
"title": "https://www.nps.gov/places/abo_school-nm.htm"
},
{
"url": "https://maps.roadtrippers.com/us/artesia-nm/points-of-interest... |
164 | Abo Elementary School had a concrete slab roof that doubled as the school's playground. | history | 1960s | United States (New Mexico) | gold | 0.808 | 6 | 8 | high | https://www.deepinquiry.ai/fact/abo-elementary-school-had-a-concrete-slab-roof-164 | [
{
"url": "https://en.wikipedia.org/wiki/Abo_Elementary_School",
"title": "Abo Elementary School"
},
{
"url": "https://www.nps.gov/places/abo_school-nm.htm",
"title": "https://www.nps.gov/places/abo_school-nm.htm"
},
{
"url": "https://virtualglobetrotting.com/map/abo-elementary-school-loc... |
168 | The American Committee for East–West Accord's stated goals included promoting conciliation between the United States and the Soviet Union. | history | 1970s-1990s | United States | gold | 0.92 | 5 | 3 | high | https://www.deepinquiry.ai/fact/the-american-committee-for-eastwest-accords-stated-goals-168 | [
{
"url": "https://en.wikipedia.org/wiki/American_Committee_for_East%E2%80%93West_Accord",
"title": "American Committee for East–West Accord"
},
{
"url": "https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2596925",
"title": "https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2596925"
},
{
... |
195 | ADRON-RM is a neutron spectrometer designed to search for subsurface water ice and hydrated minerals. | technology | 2020s | Mars / global | gold | 0.925 | 4 | 4 | high | https://www.deepinquiry.ai/fact/adron-rm-is-a-neutron-spectrometer-designed-to-search-195 | [
{
"url": "https://en.wikipedia.org/wiki/ADRON-RM",
"title": "ADRON-RM"
},
{
"url": "https://pubmed.ncbi.nlm.nih.gov/28731818/",
"title": "https://pubmed.ncbi.nlm.nih.gov/28731818/"
},
{
"url": "https://astrobiology.miraheze.org/wiki/ADRON-RM",
"title": "https://astrobiology.miraheze.... |
203 | The Alais meteorite contains organic compounds. | science | 19th century (1806/1834 discovery) | France | gold | 1 | 4 | 7 | high | https://www.deepinquiry.ai/fact/the-alais-meteorite-contains-organic-compounds-203 | [
{
"url": "https://en.wikipedia.org/wiki/Alais_meteorite",
"title": "Alais meteorite"
},
{
"url": "https://onlinelibrary.wiley.com/doi/full/10.1111/maps.12351",
"title": "https://onlinelibrary.wiley.com/doi/full/10.1111/maps.12351"
},
{
"url": "https://www.nature.com/articles/s42004-024-0... |
222 | ANNIE studies phenomena like proton decay and neutrino oscillations by analyzing neutrino interactions in gadolinium-loaded water and measuring their neutron yield. | science | contemporary | global | gold | 1 | 3 | 6 | high | https://www.deepinquiry.ai/fact/annie-studies-phenomena-like-proton-decay-and-neutrino-222 | [
{
"url": "https://en.wikipedia.org/wiki/Accelerator_Neutrino_Neutron_Interaction_Experiment",
"title": "Accelerator Neutrino Neutron Interaction Experiment"
},
{
"url": "https://arxiv.org/abs/1504.01480",
"title": "https://arxiv.org/abs/1504.01480"
},
{
"url": "https://www.osti.gov/pages... |
223 | Neutron tagging plays an important role in background rejection from atmospheric neutrinos in the ANNIE experiment. | science | contemporary | global | gold | 1 | 3 | 6 | high | https://www.deepinquiry.ai/fact/neutron-tagging-plays-an-important-role-in-background-223 | [
{
"url": "https://en.wikipedia.org/wiki/Accelerator_Neutrino_Neutron_Interaction_Experiment",
"title": "Accelerator Neutrino Neutron Interaction Experiment"
},
{
"url": "https://arxiv.org/abs/1504.01480",
"title": "https://arxiv.org/abs/1504.01480"
},
{
"url": "https://arxiv.org/pdf/1402... |
242 | The Antiproton Decelerator was built from the Antiproton Collector (AC). | technology | 20th century | Europe | gold | 1 | 3 | 5 | low | https://www.deepinquiry.ai/fact/the-antiproton-decelerator-was-built-from-the-antiproton-242 | [
{
"url": "https://en.wikipedia.org/wiki/Antiproton_Decelerator",
"title": "Antiproton Decelerator"
},
{
"url": "https://cern-courier.web.cern.ch/a/beams-back-at-the-antiproton-decelerator/",
"title": "https://cern-courier.web.cern.ch/a/beams-back-at-the-antiproton-decelerator/"
},
{
"url... |
248 | Antiprotons at CERN's Antiproton Decelerator are created by impinging a proton beam from the Proton Synchrotron on an iridium target. | science | modern | Europe | gold | 1 | 5 | 6 | high | https://www.deepinquiry.ai/fact/antiprotons-at-cerns-antiproton-decelerator-are-created-by-248 | [
{
"url": "https://en.wikipedia.org/wiki/Antiproton_Decelerator",
"title": "Antiproton Decelerator"
},
{
"url": "https://home.cern/science/accelerators/antiproton-decelerator/",
"title": "https://home.cern/science/accelerators/antiproton-decelerator/"
},
{
"url": "https://cerncourier.com/... |
254 | Aspect's experiment offered an experimental answer to the Einstein-Podolsky-Rosen (EPR) paradox. | science | 20th century (1980s) | France | gold | 0.983 | 3 | 6 | high | https://www.deepinquiry.ai/fact/aspects-experiment-offered-an-experimental-answer-to-the-254 | [
{
"url": "https://en.wikipedia.org/wiki/Aspect's_experiment",
"title": "Aspect's experiment"
},
{
"url": "https://graphsearch.epfl.ch/concept/58278312",
"title": "https://graphsearch.epfl.ch/concept/58278312"
},
{
"url": "https://www.nobelprize.org/uploads/2022/10/popular-physicsprize202... |
262 | Tube Alloys was initiated during World War II. | history | 20th century | United Kingdom | gold | 0.988 | 4 | 4 | high | https://www.deepinquiry.ai/fact/tube-alloys-was-initiated-during-world-war-ii-262 | [
{
"url": "https://en.wikipedia.org/wiki/History_of_nuclear_weapons",
"title": "History of nuclear weapons"
},
{
"url": "https://www.tandfonline.com/doi/full/10.1080/00295450.2021.1910004",
"title": "https://www.tandfonline.com/doi/full/10.1080/00295450.2021.1910004"
},
{
"url": "https://... |
265 | Canada was involved in the Manhattan Project. | history | 1940s | Canada / North America | gold | 1 | 5 | 6 | low | https://www.deepinquiry.ai/fact/canada-was-involved-in-the-manhattan-project-265 | [
{
"url": "https://en.wikipedia.org/wiki/History_of_nuclear_weapons",
"title": "History of nuclear weapons"
},
{
"url": "https://www.cnsc-ccsn.gc.ca/eng/resources/fact-sheets/canadas-contribution-to-nuclear-weapons-development/",
"title": "https://www.cnsc-ccsn.gc.ca/eng/resources/fact-sheets/can... |
268 | The United States initiated the Manhattan Project in 1942 in collaboration with the United Kingdom. | history | 20th century | United States / United Kingdom | gold | 1 | 4 | 3 | low | https://www.deepinquiry.ai/fact/the-united-states-initiated-the-manhattan-project-in-268 | [
{
"url": "https://en.wikipedia.org/wiki/History_of_nuclear_weapons",
"title": "History of nuclear weapons"
},
{
"url": "https://ahf.nuclearmuseum.org/ahf/history/british-nuclear-program/",
"title": "https://ahf.nuclearmuseum.org/ahf/history/british-nuclear-program/"
},
{
"url": "https://... |
286 | Israel is believed to have acquired nuclear weapons around 1967 but has never openly tested or formally acknowledged possessing them. | world_events | 1960s-present | Middle East | gold | 0.85 | 5 | 5 | low | https://www.deepinquiry.ai/fact/israel-is-believed-to-have-acquired-nuclear-weapons-286 | [
{
"url": "https://en.wikipedia.org/wiki/List_of_states_with_nuclear_weapons",
"title": "List of states with nuclear weapons"
},
{
"url": "https://armscontrolcenter.org/countries/israel/",
"title": "https://armscontrolcenter.org/countries/israel/"
},
{
"url": "https://foreignpolicy.com/20... |
288 | The five recognized nuclear-weapons states under the NPT are also the five permanent members of the United Nations Security Council. | world_events | 20th century-present | global | gold | 0.95 | 4 | 4 | high | https://www.deepinquiry.ai/fact/the-five-recognized-nuclear-weapons-states-under-the-npt-288 | [
{
"url": "https://en.wikipedia.org/wiki/List_of_states_with_nuclear_weapons",
"title": "List of states with nuclear weapons"
},
{
"url": "https://www.nti.org/education-center/treaties-and-regimes/treaty-on-the-non-proliferation-of-nuclear-weapons/",
"title": "https://www.nti.org/education-center... |
295 | The Classis Pontica coordinated with the neighboring Roman fleet of Moesia, known as the Classis Flavia Moesica. | history | Roman Empire (1st-3rd century CE) | Black Sea / Anatolia / Danube | gold | 0.82 | 5 | 6 | low | https://www.deepinquiry.ai/fact/the-classis-pontica-coordinated-with-the-neighboring-roman-295 | [
{
"url": "https://en.wikipedia.org/wiki/Classis_Pontica",
"title": "Classis Pontica"
},
{
"url": "https://www.ancientportsantiques.com/wp-content/uploads/Documents/PLACES/Bosphorus-BlackSea/Noviodunum-Bivolaru2022.pdf",
"title": "https://www.ancientportsantiques.com/wp-content/uploads/Documents/... |
314 | Within the Mathematics Subject Classification, subsection 01A67 is titled 'Future prospectives'. | science | modern | global | gold | 0.988 | 4 | 6 | low | https://www.deepinquiry.ai/fact/within-the-mathematics-subject-classification-subsection-01a67-is-314 | [
{
"url": "https://en.wikipedia.org/wiki/Future_of_mathematics",
"title": "Future of mathematics"
},
{
"url": "https://cran.r-project.org/web/classifications/MSC-2010.html",
"title": "https://cran.r-project.org/web/classifications/MSC-2010.html"
},
{
"url": "https://mathscinet.ams.org/msn... |
336 | The Archimedes Palimpsest is a medieval parchment manuscript that was scraped and overwritten but originally contained several previously unknown works by Archimedes. | history | medieval | Byzantine Empire / Greece | gold | 1 | 3 | 7 | high | https://www.deepinquiry.ai/fact/the-archimedes-palimpsest-is-a-medieval-parchment-manuscript-336 | [
{
"url": "https://en.wikipedia.org/wiki/List_of_mathematics_history_topics",
"title": "List of mathematics history topics"
},
{
"url": "https://www.archimedespalimpsest.org/about/",
"title": "https://www.archimedespalimpsest.org/about/"
},
{
"url": "https://www.americanscientist.org/arti... |
348 | The Archimedes Palimpsest is a medieval manuscript that was found to contain erased and overwritten works of the ancient Greek mathematician Archimedes. | history | medieval | Byzantine Empire / Europe | gold | 0.867 | 3 | 6 | low | https://www.deepinquiry.ai/fact/the-archimedes-palimpsest-is-a-medieval-manuscript-that-348 | [
{
"url": "https://en.wikipedia.org/wiki/List_of_mathematics_history_topics",
"title": "List of mathematics history topics"
},
{
"url": "https://thewalters.org/news/lost-and-found-the-secrets-of-archimedes/",
"title": "https://thewalters.org/news/lost-and-found-the-secrets-of-archimedes/"
},
... |
349 | The Lwów School of Mathematics was a group of mathematicians who worked in the city of Lwów (present-day Lviv, Ukraine) during the interwar period. | history | interwar period (1918-1939) | Lwów/Lviv, Poland/Ukraine | gold | 0.867 | 3 | 3 | medium | https://www.deepinquiry.ai/fact/the-lww-school-of-mathematics-was-a-group-349 | [
{
"url": "https://en.wikipedia.org/wiki/List_of_mathematics_history_topics",
"title": "List of mathematics history topics"
},
{
"url": "https://bookstore.ams.org/hmath-40/",
"title": "https://bookstore.ams.org/hmath-40/"
},
{
"url": "https://www.diva-portal.org/smash/get/diva2:1066581/FU... |
353 | The Scottish Café was a café in Lwów where mathematicians of the Lwów School of Mathematics recorded problems in a notebook known as the Scottish Book. | history | 20th century | Poland (Lwów, now Lviv, Ukraine) | gold | 0.97 | 5 | 6 | low | https://www.deepinquiry.ai/fact/the-scottish-caf-was-a-caf-in-lww-353 | [
{
"url": "https://en.wikipedia.org/wiki/List_of_mathematics_history_topics",
"title": "List of mathematics history topics"
},
{
"url": "https://mathshistory.st-andrews.ac.uk/Extras/Scottish_Cafe/",
"title": "https://mathshistory.st-andrews.ac.uk/Extras/Scottish_Cafe/"
},
{
"url": "https:... |
371 | In the rhetorical stage of mathematical notation, calculations were described purely using words rather than symbols. | history | ancient to medieval | global | gold | 0.99 | 5 | 5 | low | https://www.deepinquiry.ai/fact/in-the-rhetorical-stage-of-mathematical-notation-calculations-371 | [
{
"url": "https://en.wikipedia.org/wiki/Timeline_of_mathematics",
"title": "Timeline of mathematics"
},
{
"url": "https://www.cut-the-knot.org/language/symb.shtml",
"title": "https://www.cut-the-knot.org/language/symb.shtml"
},
{
"url": "https://arxiv.org/pdf/1807.11704",
"title": "h... |
373 | In the syncopated stage of mathematical notation, quantities and common algebraic operations began to be represented by symbolic abbreviations. | history | ancient/classical (c. 250 CE onward) | Mediterranean/Greece; also India | gold | 0.983 | 3 | 4 | high | https://www.deepinquiry.ai/fact/in-the-syncopated-stage-of-mathematical-notation-quantities-373 | [
{
"url": "https://en.wikipedia.org/wiki/Timeline_of_mathematics",
"title": "Timeline of mathematics"
},
{
"url": "https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1949-8594.2000.tb17262.x",
"title": "https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1949-8594.2000.tb17262.x"
},
{
"url":... |
393 | One modern hypothesis links Venus's ashen light to lightning activity on the planet. | science | modern | global | gold | 0.93 | 5 | 6 | high | https://www.deepinquiry.ai/fact/one-modern-hypothesis-links-venuss-ashen-light-to-393 | [
{
"url": "https://en.wikipedia.org/wiki/Ashen_light",
"title": "Ashen light"
},
{
"url": "https://www.skyatnightmagazine.com/space-science/ashen-light-mystery-venus-dark-side-glow",
"title": "https://www.skyatnightmagazine.com/space-science/ashen-light-mystery-venus-dark-side-glow"
},
{
... |
396 | There is some evidence of lightning occurring on Venus. | science | 1978-present | Venus | gold | 1 | 4 | 6 | high | https://www.deepinquiry.ai/fact/there-is-some-evidence-of-lightning-occurring-on-396 | [
{
"url": "https://en.wikipedia.org/wiki/Ashen_light",
"title": "Ashen light"
},
{
"url": "https://progearthplanetsci.springeropen.com/articles/10.1186/s40645-018-0181-x",
"title": "https://progearthplanetsci.springeropen.com/articles/10.1186/s40645-018-0181-x"
},
{
"url": "https://www.na... |
408 | The transient aurorae/airglow hypothesis attributes ashen light to unusually high solar activity interacting with the upper Venusian atmosphere. | science | modern | global | gold | 0.912 | 4 | 7 | high | https://www.deepinquiry.ai/fact/the-transient-auroraeairglow-hypothesis-attributes-ashen-light-to-408 | [
{
"url": "https://en.wikipedia.org/wiki/Ashen_light",
"title": "Ashen light"
},
{
"url": "https://www.sciencefocus.com/space/venus-ashen-light",
"title": "https://www.sciencefocus.com/space/venus-ashen-light"
},
{
"url": "https://explainingscience.org/2025/11/15/the-mystery-of-the-ashen-... |
409 | Reported ball lightning sizes vary from pea-sized to several meters in diameter. | science | not_applicable | global | gold | 0.925 | 4 | 6 | high | https://www.deepinquiry.ai/fact/reported-ball-lightning-sizes-vary-from-pea-sized-to-409 | [
{
"url": "https://en.wikipedia.org/wiki/Ball_lightning",
"title": "Ball lightning"
},
{
"url": "https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6936971",
"title": "https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6936971"
},
{
"url": "https://sciencenotes... |
414 | Ball lightning is reported to last considerably longer than the split-second flash of a lightning bolt. | nature | modern | global | gold | 0.99 | 5 | 6 | high | https://www.deepinquiry.ai/fact/ball-lightning-is-reported-to-last-considerably-longer-414 | [
{
"url": "https://en.wikipedia.org/wiki/Ball_lightning",
"title": "Ball lightning"
},
{
"url": "https://www.discovermagazine.com/is-ball-lightning-real-the-science-behind-natures-strangest-light-show-46620",
"title": "https://www.discovermagazine.com/is-ball-lightning-real-the-science-behind-nat... |
439 | A plate of peeled bananas has appeared on a street corner in Beeston, Nottinghamshire, every month for over a year, as of January 2025. | culture | 2020s | Beeston, Nottinghamshire, UK | silver | 0.967 | 3 | 7 | low | https://www.deepinquiry.ai/fact/a-plate-of-peeled-bananas-has-appeared-on-439 | [
{
"url": "https://en.wikipedia.org/wiki/Beeston_bananas",
"title": "Beeston bananas"
},
{
"url": "https://www.upi.com/Odd_News/2025/01/06/mystery-peeled-bananas-Beeston-England/5751736189205/",
"title": "https://www.upi.com/Odd_News/2025/01/06/mystery-peeled-bananas-Beeston-England/5751736189205... |
448 | Until March 2025, the mysterious plate of bananas in Beeston appeared at the junction of Abbey Road and Wensor Avenue. | culture | 2020s | Beeston, Nottinghamshire, UK | silver | 0.86 | 5 | 7 | low | https://www.deepinquiry.ai/fact/until-march-2025-the-mysterious-plate-of-bananas-448 | [
{
"url": "https://en.wikipedia.org/wiki/Beeston_bananas",
"title": "Beeston bananas"
},
{
"url": "https://www.upi.com/Odd_News/2025/01/06/mystery-peeled-bananas-Beeston-England/5751736189205/",
"title": "https://www.upi.com/Odd_News/2025/01/06/mystery-peeled-bananas-Beeston-England/5751736189205... |
466 | St. John's, the provincial capital of Newfoundland and Labrador, is less than 20 kilometres (12 mi) east of Bell Island. | other | contemporary | Newfoundland and Labrador, Canada | gold | 0.838 | 4 | 2 | low | https://www.deepinquiry.ai/fact/st-johns-the-provincial-capital-of-newfoundland-and-466 | [
{
"url": "https://en.wikipedia.org/wiki/Bell_Island_(Newfoundland_and_Labrador)",
"title": "Bell Island (Newfoundland and Labrador)"
},
{
"url": "https://www.thecanadianencyclopedia.ca/en/article/bell-island",
"title": "https://www.thecanadianencyclopedia.ca/en/article/bell-island"
},
{
... |
473 | Georges Cuvier demonstrated evidence for the concept of extinction in 1796. | science | 1796 | France | gold | 0.963 | 4 | 6 | high | https://www.deepinquiry.ai/fact/georges-cuvier-demonstrated-evidence-for-the-concept-of-473 | [
{
"url": "https://en.wikipedia.org/wiki/Paleontology",
"title": "Paleontology"
},
{
"url": "https://www.uky.edu/KGS/education/did-big-bone-lick-georges-cuvier.php",
"title": "https://www.uky.edu/KGS/education/did-big-bone-lick-georges-cuvier.php"
},
{
"url": "https://embryo.asu.edu/pages... |
476 | The French word 'paléontologie' was introduced in 1822. | history | 1822 | France | gold | 0.917 | 3 | 5 | low | https://www.deepinquiry.ai/fact/the-french-word-palontologie-was-introduced-in-1822-476 | [
{
"url": "https://en.wikipedia.org/wiki/Paleontology",
"title": "Paleontology"
},
{
"url": "https://www.merriam-webster.com/dictionary/paleontology",
"title": "https://www.merriam-webster.com/dictionary/paleontology"
},
{
"url": "https://palaeo-electronica.org/content/2012-issue-1-articl... |
542 | Cenograms are used in studying ancient communities to draw conclusions about a biome, including whether it is species rich, its relative humidity, and its level of forestation. | science | not_applicable | global | gold | 1 | 4 | 7 | high | https://www.deepinquiry.ai/fact/cenograms-are-used-in-studying-ancient-communities-to-542 | [
{
"url": "https://en.wikipedia.org/wiki/Cenogram",
"title": "Cenogram"
},
{
"url": "https://www.sciencedirect.com/science/article/abs/pii/S0031018208006299",
"title": "https://www.sciencedirect.com/science/article/abs/pii/S0031018208006299"
},
{
"url": "https://www.ncbi.nlm.nih.gov/books... |
551 | Cenograms have become common in the study of prehistoric fauna of the northern hemisphere. | science | not_applicable | global | gold | 1 | 3 | 6 | high | https://www.deepinquiry.ai/fact/cenograms-have-become-common-in-the-study-of-551 | [
{
"url": "https://en.wikipedia.org/wiki/Cenogram",
"title": "Cenogram"
},
{
"url": "https://www.ncbi.nlm.nih.gov/books/NBK231933/",
"title": "https://www.ncbi.nlm.nih.gov/books/NBK231933/"
},
{
"url": "https://link.springer.com/chapter/10.1007/978-3-031-13119-6_3",
"title": "https://... |
567 | A majority of the 60 to 75 million people who died in World War II were civilians. | history | 20th century | global | gold | 0.838 | 4 | 5 | high | https://www.deepinquiry.ai/fact/a-majority-of-the-60-to-75-million-567 | [
{
"url": "https://en.wikipedia.org/wiki/World_War_II",
"title": "World War II"
},
{
"url": "https://dcas.dmdc.osd.mil/dcas/app/conflictCasualties/ww2",
"title": "https://dcas.dmdc.osd.mil/dcas/app/conflictCasualties/ww2"
},
{
"url": "https://worldpopulationreview.com/country-rankings/wor... |
632 | The Axis powers were later called the Rome–Berlin–Tokyo Axis. | history | 1930s-1940s | global | gold | 0.838 | 4 | 3 | medium | https://www.deepinquiry.ai/fact/the-axis-powers-were-later-called-the-romeberlintokyo-632 | [
{
"url": "https://en.wikipedia.org/wiki/Axis_powers",
"title": "Axis powers"
},
{
"url": "https://www.nationalww2museum.org/war/articles/axis-powers-world-war-ii",
"title": "https://www.nationalww2museum.org/war/articles/axis-powers-world-war-ii"
},
{
"url": "https://www.newworldencyclop... |
640 | One hypothesis for fairy circle formation proposes that the activities of various types of termites affect vegetation growth. | nature | contemporary | Southern Africa | gold | 0.983 | 3 | 6 | high | https://www.deepinquiry.ai/fact/one-hypothesis-for-fairy-circle-formation-proposes-that-640 | [
{
"url": "https://en.wikipedia.org/wiki/Fairy_circle_(arid_grass_formation)",
"title": "Fairy circle (arid grass formation)"
},
{
"url": "https://www.sciencedirect.com/science/article/pii/S143383192500006X",
"title": "https://www.sciencedirect.com/science/article/pii/S143383192500006X"
},
{
... |
641 | Another hypothesis for fairy circle formation proposes that competition between grasses naturally yields certain vegetation patterns. | nature | contemporary | Namibia / Southern Africa | gold | 1 | 4 | 6 | high | https://www.deepinquiry.ai/fact/another-hypothesis-for-fairy-circle-formation-proposes-that-641 | [
{
"url": "https://en.wikipedia.org/wiki/Fairy_circle_(arid_grass_formation)",
"title": "Fairy circle (arid grass formation)"
},
{
"url": "https://www.nature.com/articles/s42003-020-01431-0",
"title": "https://www.nature.com/articles/s42003-020-01431-0"
},
{
"url": "https://www.sciencedir... |
677 | Alyoshenka, also known as the Kyshtym Dwarf, is an infant whose mummified remains were discovered in the village of Kaolinovy, near Kyshtym, Chelyabinsk Oblast, Russia. | culture | 1990s | Russia | silver | 0.75 | 3 | 7 | low | https://www.deepinquiry.ai/fact/alyoshenka-also-known-as-the-kyshtym-dwarf-is-677 | [
{
"url": "https://en.wikipedia.org/wiki/Alyoshenka",
"title": "Alyoshenka"
},
{
"url": "https://mummipedia.fandom.com/wiki/Alyoshenka",
"title": "https://mummipedia.fandom.com/wiki/Alyoshenka"
},
{
"url": "https://geometki.com/en/places/65ea94ac5ffba",
"title": "https://geometki.com/... |
704 | Edgar Beecher Bronson, a big-game hunter, recounted the 1907 dingonek sighting in his 1910 memoir 'In Closed Territory'. | culture | 1900-1919 | Africa | silver | 0.75 | 4 | 7 | low | https://www.deepinquiry.ai/fact/edgar-beecher-bronson-a-big-game-hunter-recounted-the-704 | [
{
"url": "https://en.wikipedia.org/wiki/Dingonek",
"title": "Dingonek"
},
{
"url": "https://abookofcreatures.com/2019/06/17/dingonek/",
"title": "https://abookofcreatures.com/2019/06/17/dingonek/"
},
{
"url": "https://cryptidarchives.fandom.com/wiki/Dingonek",
"title": "https://crypt... |
716 | Above-threshold ionization (ATI) is a multi-photon effect in which an atom is ionized by absorbing more than the minimum number of photons energetically required for ionization. | science | modern | global | gold | 1 | 4 | 6 | high | https://www.deepinquiry.ai/fact/above-threshold-ionization-ati-is-a-multi-photon-effect-in-716 | [
{
"url": "https://en.wikipedia.org/wiki/Above-threshold_ionization",
"title": "Above-threshold ionization"
},
{
"url": "https://www.sciencedirect.com/science/article/abs/pii/0370157391901315",
"title": "https://www.sciencedirect.com/science/article/abs/pii/0370157391901315"
},
{
"url": "... |
719 | The first observation of above-threshold ionization was made using xenon gas. | science | 1979 | France | gold | 0.983 | 3 | 6 | high | https://www.deepinquiry.ai/fact/the-first-observation-of-above-threshold-ionization-was-made-719 | [
{
"url": "https://en.wikipedia.org/wiki/Above-threshold_ionization",
"title": "Above-threshold ionization"
},
{
"url": "https://www.nobelprize.org/prizes/physics/2023/agostini/biographical/",
"title": "https://www.nobelprize.org/prizes/physics/2023/agostini/biographical/"
},
{
"url": "ht... |
723 | The Aharonov–Bohm effect is a quantum-mechanical phenomenon in which an electrically charged particle is affected by an electromagnetic potential despite being confined to a region where both the magnetic field and electric field are zero. | science | 20th century | global | gold | 0.77 | 3 | 8 | high | https://www.deepinquiry.ai/fact/the-aharonovbohm-effect-is-a-quantum-mechanical-phenomenon-in-723 | [
{
"url": "https://en.wikipedia.org/wiki/Aharonov%E2%80%93Bohm_effect",
"title": "Aharonov–Bohm effect"
},
{
"url": "https://arxiv.org/pdf/2507.06697",
"title": "https://arxiv.org/pdf/2507.06697"
},
{
"url": "https://www.sciencedirect.com/science/article/pii/S2667325823002789",
"title... |
726 | The Aharonov–Bohm effect is illustrated experimentally through interference experiments. | science | 20th century | global | gold | 0.925 | 4 | 7 | high | https://www.deepinquiry.ai/fact/the-aharonovbohm-effect-is-illustrated-experimentally-through-interference-726 | [
{
"url": "https://en.wikipedia.org/wiki/Aharonov%E2%80%93Bohm_effect",
"title": "Aharonov–Bohm effect"
},
{
"url": "https://www.hitachi.com/rd/research/materials/quantum/aharonov-bohm/index.html",
"title": "https://www.hitachi.com/rd/research/materials/quantum/aharonov-bohm/index.html"
},
{
... |
742 | The Christmas Eve truce of 1944, also known as Truce in the Forest, was an informal ceasefire between American and German soldiers during World War II. | history | 1940s | Europe (Germany/Belgium border) | gold | 0.867 | 3 | 7 | high | https://www.deepinquiry.ai/fact/the-christmas-eve-truce-of-1944-also-known-742 | [
{
"url": "https://en.wikipedia.org/wiki/Christmas_Eve_truce_of_1944",
"title": "Christmas Eve truce of 1944"
},
{
"url": "https://www.abmc.gov/news-events/news/christmas-eve-1944-brief-moment-peace-battlefield/",
"title": "https://www.abmc.gov/news-events/news/christmas-eve-1944-brief-moment-pea... |
746 | Fritz Vincken reportedly witnessed the Christmas Eve truce of 1944 as a child. | history | 1944 | Germany/Belgium border (Ardennes/Hürtgen Forest) | gold | 0.87 | 5 | 8 | high | https://www.deepinquiry.ai/fact/fritz-vincken-reportedly-witnessed-the-christmas-eve-truce-746 | [
{
"url": "https://en.wikipedia.org/wiki/Christmas_Eve_truce_of_1944",
"title": "Christmas Eve truce of 1944"
},
{
"url": "https://www.abmc.gov/news-events/news/christmas-eve-1944-brief-moment-peace-battlefield/",
"title": "https://www.abmc.gov/news-events/news/christmas-eve-1944-brief-moment-pea... |
747 | Fritz Vincken reportedly witnessed the truce in a remote cabin near the German–Belgian border. | history | 1944 | Germany/Belgium border (Ardennes/Hürtgen Forest) | gold | 0.9 | 4 | 8 | high | https://www.deepinquiry.ai/fact/fritz-vincken-reportedly-witnessed-the-truce-in-a-747 | [
{
"url": "https://en.wikipedia.org/wiki/Christmas_Eve_truce_of_1944",
"title": "Christmas Eve truce of 1944"
},
{
"url": "https://www.abmc.gov/news-events/news/christmas-eve-1944-brief-moment-peace-battlefield/",
"title": "https://www.abmc.gov/news-events/news/christmas-eve-1944-brief-moment-pea... |
789 | Primordial gravitational waves are predicted by 'slow roll' models of cosmic inflation. | science | contemporary | global | gold | 1 | 4 | 6 | low | https://www.deepinquiry.ai/fact/primordial-gravitational-waves-are-predicted-by-slow-roll-789 | [
{
"url": "https://en.wikipedia.org/wiki/BICEP_and_Keck_Array",
"title": "BICEP and Keck Array"
},
{
"url": "https://arxiv.org/pdf/2202.02773",
"title": "https://arxiv.org/pdf/2202.02773"
},
{
"url": "https://arxiv.org/pdf/1802.04753",
"title": "https://arxiv.org/pdf/1802.04753"
},
... |
804 | Ancient Egypt's documented history spans approximately three millennia. | history | ancient | Egypt | gold | 0.95 | 3 | 3 | medium | https://www.deepinquiry.ai/fact/ancient-egypts-documented-history-spans-approximately-three-millennia-804 | [
{
"url": "https://en.wikipedia.org/wiki/Archaeology_of_ancient_Egypt",
"title": "Archaeology of ancient Egypt"
},
{
"url": "https://www.britishmuseum.org/learn/schools/ages-7-11/ancient-egypt/timeline-ancient-egypt",
"title": "https://www.britishmuseum.org/learn/schools/ages-7-11/ancient-egypt/t... |
811 | The current field of conservation paleobiology was established by the work of K.W. Flessa and G.P. Dietl during the first decade of the 21st century. | science | 21st century (2000s-2011) | global | gold | 0.983 | 3 | 6 | high | https://www.deepinquiry.ai/fact/the-current-field-of-conservation-paleobiology-was-established-811 | [
{
"url": "https://en.wikipedia.org/wiki/Conservation_paleobiology",
"title": "Conservation paleobiology"
},
{
"url": "https://www.frontiersin.org/journals/ecology-and-evolution/articles/10.3389/fevo.2022.1031483/full",
"title": "https://www.frontiersin.org/journals/ecology-and-evolution/articles... |
821 | Dental microwear analysis has been used to investigate weaning practices in past human populations. | science | not applicable | global | gold | 1 | 4 | 6 | low | https://www.deepinquiry.ai/fact/dental-microwear-analysis-has-been-used-to-investigate-821 | [
{
"url": "https://en.wikipedia.org/wiki/Dental_microwear",
"title": "Dental microwear"
},
{
"url": "https://www.sciencedirect.com/topics/social-sciences/microwear-analysis",
"title": "https://www.sciencedirect.com/topics/social-sciences/microwear-analysis"
},
{
"url": "https://www.scienc... |
839 | Evidence suggests that life on Earth emerged prior to 3.7 billion years ago. | science | prehistoric | global | gold | 1 | 5 | 6 | high | https://www.deepinquiry.ai/fact/evidence-suggests-that-life-on-earth-emerged-prior-839 | [
{
"url": "https://en.wikipedia.org/wiki/History_of_life",
"title": "History of life"
},
{
"url": "https://www.nature.com/articles/384055a0",
"title": "https://www.nature.com/articles/384055a0"
},
{
"url": "https://www.uow.edu.au/media/2016/life-thrived-on-young-earth-scientists-discover-... |
857 | The interpreting of aerial photographic images became an important new specialty during World War I, essential for accurate mapping. | history | 1914-1918 | Europe | gold | 0.938 | 4 | 4 | high | https://www.deepinquiry.ai/fact/the-interpreting-of-aerial-photographic-images-became-an-857 | [
{
"url": "https://en.wikipedia.org/wiki/Aerial_reconnaissance_in_World_War_I",
"title": "Aerial reconnaissance in World War I"
},
{
"url": "https://www.westernfrontassociation.com/world-war-i-articles/trenchmapper-by-the-western-front-association/aerial-photography/",
"title": "https://www.weste... |
858 | By 1915, air-to-ground radio was in use by reconnaissance pilots during World War I. | technology | 1914-1918 | Europe (Western Front) | gold | 0.838 | 4 | 6 | low | https://www.deepinquiry.ai/fact/by-1915-air-to-ground-radio-was-in-use-by-858 | [
{
"url": "https://en.wikipedia.org/wiki/Aerial_reconnaissance_in_World_War_I",
"title": "Aerial reconnaissance in World War I"
},
{
"url": "https://www.firstworldwar.com/airwar/observation.htm",
"title": "https://www.firstworldwar.com/airwar/observation.htm"
},
{
"url": "https://warhisto... |
862 | New electronic forms of reconnaissance emerged as a sub-type of aerial reconnaissance during World War II. | history | 20th century (1939-1945) | global | gold | 0.925 | 4 | 5 | high | https://www.deepinquiry.ai/fact/new-electronic-forms-of-reconnaissance-emerged-as-a-862 | [
{
"url": "https://en.wikipedia.org/wiki/Aerial_reconnaissance_in_World_War_II",
"title": "Aerial reconnaissance in World War II"
},
{
"url": "https://warhistory.org/@msw/article/the-origins-of-aerial-reconnaissance-ii",
"title": "https://warhistory.org/@msw/article/the-origins-of-aerial-reconnai... |
865 | In April 1989, Eric M. Jones and Apollo 17 astronaut Harrison H. Schmitt spent three days thoroughly reviewing part of Apollo 17's lunar activities. | history | 20th century | global | gold | 0.963 | 4 | 3 | low | https://www.deepinquiry.ai/fact/in-april-1989-eric-m-jones-and-apollo-865 | [
{
"url": "https://www.nasa.gov/history/alsj/apollo.engin.html",
"title": "Engineering Aspects of Apollo"
},
{
"url": "https://apollojournals.org/alsj/emj.html",
"title": "https://apollojournals.org/alsj/emj.html"
},
{
"url": "https://www.honeysucklecreek.net/space_people/eric_jones.html"... |
868 | The Apollo Lunar Surface Journal contains corrected, annotated transcripts of all recorded conversations between astronauts on the lunar surface and mission control in Houston. | history | 20th century (1969-1972) | global | gold | 0.917 | 3 | 3 | low | https://www.deepinquiry.ai/fact/the-apollo-lunar-surface-journal-contains-corrected-annotated-868 | [
{
"url": "https://www.nasa.gov/history/alsj/apollo.engin.html",
"title": "Engineering Aspects of Apollo"
},
{
"url": "https://www.honeysucklecreek.net/space_people/eric_jones.html",
"title": "https://www.honeysucklecreek.net/space_people/eric_jones.html"
},
{
"url": "https://apollojourna... |
871 | Harrison H. Schmitt introduced Eric M. Jones to the other 11 Apollo astronauts who had walked on the Moon, leading them to participate in recorded mission-review sessions. | history | 20th century (1990s) | United States | gold | 0.917 | 3 | 5 | low | https://www.deepinquiry.ai/fact/harrison-h-schmitt-introduced-eric-m-jones-to-871 | [
{
"url": "https://www.nasa.gov/history/alsj/apollo.engin.html",
"title": "Engineering Aspects of Apollo"
},
{
"url": "https://apollojournals.org/alsj/emj.html",
"title": "https://apollojournals.org/alsj/emj.html"
},
{
"url": "https://www.honeysucklecreek.net/space_people/eric_jones.html"... |
874 | The Apollo Lunar Surface Journal includes commentary from ten of the twelve astronauts who walked on the Moon. | history | 20th century | global | gold | 0.963 | 4 | 4 | low | https://www.deepinquiry.ai/fact/the-apollo-lunar-surface-journal-includes-commentary-from-874 | [
{
"url": "https://www.nasa.gov/history/alsj/apollo.engin.html",
"title": "Engineering Aspects of Apollo"
},
{
"url": "https://www.honeysucklecreek.net/space_people/eric_jones.html",
"title": "https://www.honeysucklecreek.net/space_people/eric_jones.html"
},
{
"url": "https://link.springe... |
876 | Eric Jones received a NASA Distinguished Public Service Medal in 2023 for his work documenting Apollo history. | history | 2023 | United States | gold | 0.917 | 3 | 4 | low | https://www.deepinquiry.ai/fact/eric-jones-received-a-nasa-distinguished-public-service-876 | [
{
"url": "https://www.nasa.gov/history/alsj/apollo.engin.html",
"title": "Engineering Aspects of Apollo"
},
{
"url": "https://apollojournals.org/alsj/emj.html",
"title": "https://apollojournals.org/alsj/emj.html"
},
{
"url": "https://www.honeysucklecreek.net/space_people/eric_jones.html"... |
899 | Apollo 8 was the first successful crewed mission to orbit the moon and return to Earth. | history | 1968 | global | gold | 1 | 3 | 3 | high | https://www.deepinquiry.ai/fact/apollo-8-was-the-first-successful-crewed-mission-899 | [
{
"url": "https://www.nationalgeographic.com/science/article/inside-apollo-mission-control-seen-by-first-woman-engineer-poppy-northcutt",
"title": "Inside Apollo mission control, from the eyes of the first woman on the job"
},
{
"url": "https://www.nasa.gov/mission/apollo-8/",
"title": "https://... |
910 | At the lunar south pole, nighttime can last for 14 Earth days. | science | contemporary | global | gold | 1 | 3 | 6 | high | https://www.deepinquiry.ai/fact/at-the-lunar-south-pole-nighttime-can-last-910 | [
{
"url": "https://www.nationalgeographic.com/science/article/what-happens-after-artemis-ii",
"title": "Inside NASA's audacious plan to build a nuclear-powered ..."
},
{
"url": "https://www.lpi.usra.edu/lunar/lunar-south-pole-atlas/",
"title": "https://www.lpi.usra.edu/lunar/lunar-south-pole-atla... |
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