A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The elephant brain weighs about 6,000g.
274
Two dogs were among the Titanic survivors.
262
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Sloths take two weeks to digest their food.
243