› added 7 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

kOjY1 TIL Costco makes 75% of its Money through it's Subscription Service and only has 11% Gross Margins compared to Walmart's 24%.
jrMM TIL that “Where they have burned books, they will end in burning human beings” was said by German poet Heinrich Heine … in 1823.
695L7 TIL there is an over 2000ft Ancient Roman Road Tunnel in Naples that was in use for nearly 2000 years.
yQDvl TIL The "Black Beauty" from the Green Hornet TV series of 1966, was customized by Dean Jeffries in just 30 days. The customization cost $50,000 due to the lack of special effects, which is about $385,000 in todays money. Customization included a telephone, sweeping brooms to cover its tracks & more.
mxvLo TIL crew members of the Challenger space shuttle survived the “explosion,” manually activated their emergency breathing packs, and were very likely alive for the full 2 minute and 45 second, 65,000 foot free-fall until their crew cabin crashed into the ocean.