Sloths take two weeks to digest their food.
243
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Domestic pigs average a top speed of about 11 miles per hour.
182
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