Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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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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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Sharks have been on the planet longer than trees.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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