The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Discovering Earth's crust boundary through quakes
Scientists found the crust-mantle boundary by listening to earthquakes, not by drilling down to it. Some waves sped up in deeper rock and bent along a…
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James Barry rose through an army that barred women from medicine
Barry practiced as a man, became a senior British Army medical officer, and performed a cesarean in which mother and child survived. After his death, an…
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Slowing down gravity to prove Newton right
Put two nearly equal weights against each other and their pulls mostly cancel, leaving only a small force to move the system. The weights then accelerate…
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Amsterdam nuns claimed demonic possession via cursed bread
In 1566, nuns at Amsterdam's St. Ursula convent said a local wizard had given them demonic bread. They reportedly vomited strange objects, climbed the convent…
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Why fear can feel like attraction
A pounding heart can mean fear or attraction; the body’s signal doesn’t arrive with a label. Your mind uses the situation to interpret the racing pulse. Near…
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Watching the Halifax fire put people's eyes in the blast's path
The burning ammunition ship drew onlookers to windows before it exploded in 1917. Shattered glass caused numerous eye injuries, creating an extraordinary…
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An anatomist made miniature theaters from human remains
Frederik Ruysch arranged preserved specimens into elaborate displays, including small skeletons posed as mourners. Their tiny handkerchiefs were made from…
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The trailer that tried to be a truck and a train
The RoadRailer used rubber tires on highways and rail wheels on train tracks. Raise one set and lower the other, and the same trailer shifted between road and…
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The balloon ride that revealed cosmic radiation
Physicist Victor Hess took radiation detectors high in a balloon, expecting readings to drop as he rose above some of the atmosphere that blocks radiation.…
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How a summer camp turned boys into rival gangs
At the summer camp known as Robbers Cave, boys became rivals after they were divided into groups and put in competition. Prizes made the other group seem like…
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The weight-loss surgery that caused liver failure
The jejunoileal bypass sent food past most of the small intestine, sharply limiting how much the body could absorb. That could produce weight loss, but it…
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A puppet show helped demonstrate color television
Kukla, Fran and Ollie appeared in RCA's early color tests and a 1953 demonstration of its revised system. The familiar performers gave engineers a moving…
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Some Bunong homes bring the roof almost to the ground
Traditional houses in Cambodia's Mondulkiri region can have a low thatched roof, one entrance, and no windows. Inside is a shared room rather than a series of…
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Ijen's blue glow is burning sulfur, not blue lava
Sulfur-rich gases escaping the volcano burn with blue flames that become striking after dark. The glow can make the landscape look like a stream of blue lava,…
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Kondratiev’s economic waves outlived Stalin’s purge
Nikolai Kondratiev argued that capitalist economies move through long periods of expansion and decline rather than simply heading toward a final collapse. He…
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Ocean currents move sideways to the actual wind
Wind pushes the ocean’s surface, but Earth’s rotation turns the moving water. In the idealized Ekman pattern, the combined transport of the upper layer ends…
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The woman who bottled the greenhouse effect
In the 1850s, Eunice Foote compared gases in cylinders exposed to sunlight and found carbon dioxide became especially warm. She suggested an atmosphere richer…
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Norway's road with 13 terrifying hairpin turns
Built by hand in the 1840s, the 1.5-kilometer road climbs a 20% gradient through 13 hairpin turns. It was cut into the mountain to give travelers access to a…
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A Victorian doctor patented ice bags for the spine
John Chapman's 1864 design put cooling bags along the back, based on his theory that changing temperature there could control circulation and treat illness.…
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Earthquakes revealed Earth's solid inner core
Scientists expected an earthquake-wave shadow, but some waves reached into it. A solid inner core could explain the detour: waves reflected or bent inside the…
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Robert Paul's Animatograph birthed the cinema hall
In 1896, Robert W. Paul used the Animatograph to project moving images onto a screen for a British music hall audience, instead of showing them one viewer at…
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The Dutch village shaped like a perfect star
Built in 1593 to control trade routes, Bourtange later became a farming village before local authorities restored its star-shaped fortifications in the 1960s.
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Percy Ludgate designed a rival analytical engine in 1909
Instead of Babbage’s gears, Ludgate’s design used sliding rods to multiply through logarithms and ran on perforated paper tape. It was compact enough for a…
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Rain was once noise on a radar screen
Early radar operators looking for aircraft found that precipitation could produce unwanted echoes. Weather researchers turned that interference into useful…
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