The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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.
9
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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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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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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