Cows can sleep standing up, but they can only dream lying down.
745
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A group of unicorns is called a blessing.
304
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
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
Nicole Kidman is scared of butterflies.
65