› added 6 years ago

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Catching "cooties"—it's not just fodder for playground politics. What if a single hair on your head, the oils on your fingertips, or one of the thousands of droplets of saliva you expel each time you cough had the potential to jeopardize a multibillion-dollar interplanetary mission?

Read more video.nationalgeographic.com

NQ0J TIL there have been over 200 flavors of Kit-Kat in Japan
LQOPm TIL From 2002 to 2011, accidents on backyard trampolines accounted for nearly 289,000 visits to emergency rooms for broken bones. Factor in all accidents, not just fractures, and the tally rises to more than 1 million ER visits.
PjeG TIL: Divers found ~$4.5 million worth of Spanish gold coins 15 feet from the Florida shore.
KGA4 TIL the Beatles played a demo copy of “Sgt. Pepper’s Lonely Hearts Club Band” before its release at full volume from an open apartment window at 6AM. Instead of complaining, the residents opened their windows and listened, aware they were hearing unreleased Beatles music.
1Bpr TIL only 31% of college graduates know that nitrogen makes up most of the Earth’s atmosphere.