› added 9 years ago

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TIL that the U.S. Army has a list of approved laundry detergents. These detergents do not contain optical whiting compounds, which would cause laundered uniforms to glow in UV light, and stick out in night-vision imaging.

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KY8JG TIL that blue-green algae is not scientifically an algae, but instead a gram-negative bacteria. They are capable of oxygenic photosynthesis and have fossil records dating back 3.5 billion years. Furthermore, they are the first organisms known to have produced oxygen during the Great Oxidation Event.
Kgl6 TIL there was a very unusually high number of put/call options on United and American Airlines stock before 9/11, no other airlines saw this activity
yV7VV TIL: Petros, a wounded pelican adopted by the Greek island of Mykonos, warranted a court case for entrapment after he flew to another Island where locals wanted to keep him. Thanks to Petros there are now several pelicans living in Greece, though they aren't native.
OoYPR TIL The limo JFK was assassinated in went to on be used by Presidents Johnson, Nixon, Ford and Carter before being retired in 1977
4kEgJ TIL an average of 2 amputations occur weekly at US meatpacking plants