20 Things You Didn't Know About... Clouds
4 So much for People Power. After reviewing 40 years of cloud-seeding efforts in an area north of Israel, researchers at Tel Aviv University have concluded that seeding doesn’t actually produce additional precipitation (pdf).12 Highest of them all: 50 miles up, noctilucent, or “night shining,” clouds glow an eerie bluish white. They are invisible by day, but after sunset they catch solar rays shining from far below the horizon.13 Noctilucent clouds seemed to first appear after the 1883 eruption of Krakatoa and are now a common sight.18 In 1959 Lt. Col. William Rankin was flying his F-8 fighter jet over a cumulonimbus when the engine failed. He parachuted out and spent the next 30 minutes bounced around inside the storm. Amazingly, he survived.19 In 2007 German paragliding champion Ewa Wisnierska experienced “cloud suck.” While gliding under a cumulonimbus, she was pulled upward to 32,000 feet. She blacked out due to lack of oxygen but regained consciousness at roughly 23,000 feet.Image: A lenticular cloud over the Tararua Mountains in the North Island of New Zealand. Courtesy: NASA
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raman 3 Months Ago | Source: discoverm...
20 Things You Didn't Know About... The Periodic Table
1 You may remember the Periodic Table of the Elements as a dreary chart on your classroom wall. If so, you never guessed its real purpose: It’s a giant cheat sheet.4 To determine atomic weights, scientists had passed currents through various solutions to break them up into their constituent atoms. Responding to a battery’s polarity, the atoms of one element would go thisaway, the atoms of another thataway. The atoms were collected in separate containers and then weighed.6 Fond of card games, Mendeleyev wrote the weight for each element on a separate index card and sorted them as in solitaire. Elements with similar properties formed a “suit” that he placed in columns ordered by ascending atomic weight. 9 Ehen argon was discovered in 1894, it didn’t fit into any of Mendeleyev’s columns, so he denied its existence—as he did for helium, neon, krypton, xenon, and radon...Image: Lawrence Berkeley National Lab
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raman 5 Months Ago | Source: discoverm...
6 Terrifying Children's Cartoons from Around the World
By Carl Hoff Published: April 18th, 2012 If there's one thing we know about kids' movies, it's that some of them can get pretty terrifying. And if there's one thing we know about foreign movies, it's that all of them are confusing and bizarre. Now combine those two things, and you get the f
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5 porn myths you should know
One of the best things about spring is that cleavage comes out of hibernation, but sexy outfits are not the only thing in bloom, apparently. A new study shows that women's sex drive also blossoms in the springtime.
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15 WEIRDEST phobias you probably didn't know of - Rediff Getahead
What are you afraid of? We list out some of the wierdest phobias and ask you to identify them. | 15 WEIRDEST phobias you probably didn't know of
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