Humans, bonobo monkeys, and dolphins are the only species that have sex for pleasure. See more

Banging your head against a wall uses 150 calories an hour. See more

The penalty for masturbation in Indonesia is decapitation. See more

55% of people yawn within 5 minutes of seeing someone else yawn. Reading about yawning makes most people yawn. See more

Electricity doesn't move through a wire but through a field around the wire. See more

The names of the continents all end with the same letter as they start with. Coincidence? See more

Hummingbirds are the only birds that can fly backwards. See more

The largest employer in the world is the Indian railway system, employing over a million people! See more

Don't give a dog chocolate! Chocolate affects a dog's heart and nervous system; a few ounces are enough to kill a small dog. See more

The typical laboratory mouse runs 2.5 miles per night on its treadmill. See more

Mel Blanc, who played the voice of Bugs Bunny, was allergic to carrots. See more

The very first Olympic race, held in 776 BC, was won by Corubus, a chef. See more

Soccer is the most attended or watched sport in the world. See more

A crocodile's tongue is attached to the roof of its mouth and he cannot move it. See more

75% of wild birds die before they are 6 months old. See more

The can opener was invented 48 years after cans were introduced. See more