Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Whales and dolphins can't taste anything other than salt.
11
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
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
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Sheep, goats, octopuses, and toads have rectangular pupils.
7