› added 8 years ago

1166

TIL about presyncope, a medical condition many people have in which their vision goes black for a brief time after standing up.

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via reddit.com

9YKVM TIL that police officers carry teddy bears to give to children in distress.
9wMm7 TIL There’s An Expansive Salt Mine Under Lake Erie
JY46V TIL in 1964 an icy runway caused a taxiing B-58 bomber to flop over and topple onto its fuel tanks. This ignited 14,000 gallons of blended gasoline and kerosene and barbecued the bomber’s nuclear payload…including a 9-megaton bomb powerful enough to flash fry any exposed human within 20 miles.
nee4G TIL In the Star Trek TOS episode “The Conscience of the King”, in the 1960’s-style cocktail party scene, the party music is a subdued version of Star Trek theme song, meaning the Star Trek theme song exists within the Star Trek universe.
awwn0 TIL that the sting of the tarantula hawk wasp is so painful the medical advice is to lie down and scream