Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A dork is a whale's penis.
327
When cats are happy, they may squeeze their eyes shut.
10
The most expensive cow in the world was sold in 2009 for $1.2 million.
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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.
57
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
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