› added 5 years ago

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TIL Men produce around 1,500 sperm - per second

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via reddit.com

8aLJX TIL that bananas do not grow on trees. The banana plant is specifically classified as an arborescent (a tree-like) perennial herb making banana a berry.
QJyDa If you’ve ever travelled on a commercial airplane, there’s a likely chance you’ve noticed those little white swirls in the center of those engines on the wings. It may seem straightforward: to keep people on the ground advised when the turbofan is spinning, right? But that doesn’t explain everything.
RVP8 TIL that Sony BMG used music cds to illegally install rootkits on users computers to prevent them from ripping copyrighted music; the rootkits themselves, in a copyright violation, included open-source software.
dDaeK TIL that the Pythagorean theorem must have been known before Pythagoras, because it is used in a proof on a Babylonian clay tablet dated about 12 centuries before the birth of Pythagoras.
NXgZP Today I learned that there is a kind of mineral called "Cummingtonite" .