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
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Squirrels forget where they hide about half of their nuts.
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