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TIL that the nerve cells of giant squid are the largest cells that have been discovered. These cells can as long as 39 feet.

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XEGyD TIL the Gerber Mark II combat knife originally had a 5 degree offset between the blade and the grip, one of the reasons being to ride in the sheath more comfortably - many were returned because of a 'bent blade'.
R5rE1 TIL Oenothera drummondii (beach evening primrose) flowers respond to the specific frequency of flying bee sounds by producing sweeter nectar within 3 minutes
BrrDk TIL that the sperm count of males in westernized countries is down by a staggering 59.3%. This change has taken place in just the past 40 years and something needs to be done about it.
rN68W TIL that Bell Labs, famous for the transistor, Unix, C++, and the Laser, is owned by Nokia
ep4x5 TIL the "dirt" under your fingernails is most commonly the keratin debris from the underside of the nail, as well as skin cells from the nail bed.