The “Jesus nut” is the only component holding the rotors to the body of some helicopters. If it were to fail, the rotors would separate causing an unplanned, rapid descent.

The white stuff in bird poop is not their poop; it’s their pee. The brown or green thing in the middle is their poop. They excrete both together.

The population of the town Bellagio in Italy which inspires the Bellagio Hotel in Las Vegas is less than the number of rooms at the hotel.

Bumblebees and solitary bees pollinate a potato.

A placebo will work even when you know it is a placebo.

When the creator of the Frisbee died, he was cremated and turned into a Frisbee.

The inventor of toilet paper had his name printed on each sheet.

Snails have 14,000 teeth and are almost completely blind.

The American Express card numbers start with “3,” Visa cards start with “4,” Mastercard cards start with “5,” and Discover cards (and store specialty cards) start with “6.”

“Vinculum” is the name given to the line between two fractions.