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 elephant brain weighs about 6,000g.
274
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Two dogs were among the Titanic survivors.
262
The oldest recorded elephant lived for 82 years.
213
Sharks have been on the planet longer than trees.
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