When dragonflies mate, their tails form a love heart.
22
The Basenji dog is the only dog that is not able to bark.
4
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Sharks have been on the planet longer than trees.
14
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9