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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dogs sometimes fake being sick to get attention.
26
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A domestic cat can sprint at about 31 miles per hour.
274
Cows can sleep standing up, but they can only dream lying down.
745