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194

TIL that woodpeckers don't get their bills stuck in trees because they can move their top and bottom bill independently thus creating a tiny space between the end of their beak and the wood.

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yQAl TIL Cats’ kidneys are so efficient that cats can survive on a diet consisting only of meat, with no additional water, and can even rehydrate by drinking seawater.
mMxx TIL that rice does not need to be grown in water, but since it can survive it, it is done so that weeds and other pests can be controlled, leading to higher yields.
PWZJ TIL Bagged salad was a way to sell misshapen but edible lettuce. Bagged lettuce can sell for twice the price of heads of lettuce
8eQAP TIL that in 1859 a 2 hour telegraph conversation between Portland and Boston was able to be had without the use of any battery power. This was due to an aurora borealis generating enough electric current in the telegraph wires.
v1NLr TIL The idea of frequently washing your hair only became popular in the 1970's after a big marketing push. Prior to that people washed their hair once a week or not at all.