Discover Magazine Things you didnt know. 20 Things You Didn't Know About... Science, Technology and the future...
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20 Things You Didn't Know About... Digestion
#15: In which painful condition does your body literally start eating yourself from within?
20 Things You Didn't Know About... Computer Hacking
What's the connection between Steve Wozniak, the Pope, and Henry Kissinger? That's right, it's hacking.
20 Things You Didn't Know About... Sugar
Did you know that most of the sugar you eat comes from beets? And that sugar in deep space may be a chemical precursor to life on Earth? Find out these and more sugary facts.
20 Things You Didn't Know About... Hurricanes
A typical hurricane releases some 600 trillion watts of heat energy, equivalent to 200 times the worldâs total electrical generating capacity.
20 Things You Didn't Know About... Eclipses
20 Things You Didn't Know About... Movies
4) Some things never change: Edisonâs early film loops included one showing âcoochâ dancers; another reenacted the decapitation of Mary, Queen of Scotsâthe first porn and horror flicks.
20 Things You Didn't Know About... Tunnels
New York has a forgotten one, Texas has a $2 billion wasted one, and Switzerland's building the longest.
20 Things You Didn't Know About... Money
11) In a study last year, researchers found more cocaine residue on U.S. bills than on any other currency. Also found on money: staphylococcus bacteria and fecal matter. 17) The worldâs first ATM accepted only checks laced with identifying traces of radioactive carbon-14. The inventor claimed users âwould have to eat 136,000 checksâ for the radioactivity to have any dangerous effects.
20 Things You Didn't Know About... Time
3) Daylight Saving Time began as a joke by Benjamin Franklin, who proposed waking people earlier on bright summer mornings so they might work more during the day and thus save candles. 19) Time has not been around forever. Most scientists believe it was created along with the rest of the universe in the Big Bang, 13.7 billion years ago.
20 Things You Didn't Know About... Television
What did the world's first TV look like? How big is the largest plasma TV in the world? Which mission did NASA lose the video recordings of?
20 Things You Didn't Know About... Fat
Body fat can kill you, keep you warm, or power your boat.
20 Things You Didn't Know About... Elections
5) On election night in 1952, TV viewers saw Walter CronÂkite sitting beside UNIVAC 1, which famously called the race for Eisenhower after only 7 percent of the vote had been tallied. 6) But it was a lie: Cronkite sat beside a cardboard panel with blinking Christmas lights. The real computer was projecting returns in Pennsylvania.
20 Things You Didn't Know About... Genius
7) Many 19th- and 20th-century creative geniuses acquired a reputation for promiscuity. Examples include Richard Feynman, Albert Einstein, and Bertrand Russell. 8) One theory suggests that male geniuses are unusually endowed with enthusiasm for risk taking, which is notoriously testosterone-linked.
20 Things You Didn't Know About... Telescopes
From Galileo to the Hubble, viewing space has come a long way.
20 Things You Didn't Know About... Sports Technology
From luge suits to computerized tennis ball trackers, sports technology has chartered a path for modern athletes to move faster, go higher, and stay safer.
20 Things You Didn't Know About... Oil
16) In oil-rich Baku, Azerbaijan, villagers could once dig a hole in the ground with their hands, drop in a live coal, and start a fire. 17) In the United States, when people first noticed oil, they bottled it, slapped a label on, and sold it as a health tonic.
20 Things You Didn't Know About... The Summer Solstice
10) Due to continued shifting of Earthâs axis, the Tropic of Cancer is now misnamed. On the current June solstice, the sun actually appears in the constellation Taurus. 8) Modern-day druids gather at Englandâs Stonehenge to mark the summer solstice. Many still don Celtic attire, even though a civilization known as the Beaker People finished Stonehenge a millennium before the Celts turned up.
20 Things You Didn't Know About... Recycling
Happy Earth Day! Now help fix the planet.
20 Things You Didn't Know About... Sex
10) The spiny anteater, an egg-laying mammal native to Australia and New Guinea, has a penis with four heads, but only two fit into the female at once. 17) Only a few vertebrates besides humans copulate face to face. Among those that sometimes do this: hamsters, beavers, and some primates, such as bonobos and orangutans.
20 Things You Didn't Know About... Relativity
1) Who invented relativity? Bzzztâwrong. Galileo hit on the idea in 1639. 8) Although Einstein was a teetotaler, when he finally completed his theory of relativity, he and his wife drank themselves under the tableâthe old-fashioned way to mess with your space-time continuum.
20 Things You Didn't Know About... Science Fiction
19) After Philip K. Dickâs death, fans built an android likeness of him that mimicked his mannerisms and quoted his writings. 20) In 2005, the Dickbot was misplaced by a baggage handler. It remains at large.
20 Things You Didn't Know About... Snow
11) Donât eat the red snow, either: âWatermelon snowâ smells like fresh watermelon and gets its ruddy color from a species of pigmented algae. The snow tastes great, but eating it will give you the runs. 17) Inuit cultures probably don't have hundreds of words for snow. Many linguists say there are so many Inuit dialects and so many ways to parse a word that itâs like counting how many words Europeans have for love.
20 Things You Didn't Know About... Gold
10) Gold is virtually indestructible and has been highly valued throughout history, so humans have always recycled it. Upwards of 85 percent of all the gold ever found is still being used today. 12) For more than 70 years, the standard treatment for rheumatoid arthritis was regular injections of a liquid suspension of gold, which acts as an anti-inflammatory. Doctors still donât know why.
20 Things You Didn't Know About... Living In Space
15 Missing something? The vents on the space shuttle and International Space Station serve as the lost and found, sucking up anything thatâs floating about unsecured. 16 The shuttle commode requires that astronauts align themselves precisely in the dead center of the seat. A mock-up of the shuttle toilet, complete with built-in camera, is used to train them how to position themselves.
20 Things You Didn't Know About... The Surgeon General
They weren't all the presidents' stooges.
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