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.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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Sharks have been on the planet longer than trees.
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The seahorse is the only fish to have a neck.
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