Pearls melt in vinegar.
It takes 3,000 cows to supply the NFL with enough leather for a year’s supply of footballs.
Humans are the only primates that don’t have pigment in the palms of their hands.
Months that begin on a Sunday will always have a ‘Friday the 13th’.
The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they can be easily confused at a crime scene.