Condoms were originally made of animal intestines or linen.
347
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The Basenji dog is the only dog that is not able to bark.
4
The cat brain weighs about 30g.
167
Moths are unable to fly during an earthquake.
328
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Sharks have been on the planet longer than trees.
14
A puppy is born blind, deaf, and toothless.
16