Some species of caterpillars have evolved to look like bird poop, so if a bird spots them, they won’t get eaten.
When the first typewriter was created in 1868, the creators saved money by not including keys for a zero or a one . . . they figured people could just use “O” and “I.”
Phosphorus was accidentally discovered in the 1660s by a guy who was boiling his PEE to turn it into gold.