Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Cows can sleep standing up, but they can only dream lying down.
745
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
Tigers can see 6 times better at night than humans.
305
Dogs sometimes fake being sick to get attention.
26
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8