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TIL The smallest erect penis ever recorded was 1 cm long.

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x6yKo TIL the largest island in Denmark is Zealand but it's not related to New Zealand (which was named for Zeeland in the Netherlands).
Lk9lp TIL that while peacock mantis shrimp can see light ranging from deep UV to far IR (300-720nm), they can only discriminate wavelengths that are more than 25nm apart, the difference that separates orange and yellow, with humans being able to discriminate wavelengths that are only 1-4mm apart
MeGZm TIL The first recognized example of a game machine was unveiled by Dr. Edward Uhler Condon at the New York World’s Fair in 1940. The game,based on the ancient mathematical game of Nim, was played by about 50,000 people during the six months it was on display and the computer winning 90% of the games
QJvkk Today I learned there's a term for diarrhea after high intensity running "Runners Trots"
Jx9l TIL NASA scientists created a nanoscale vacuum tube that can potentially replace silicon transistors in future electronics