Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Dogs have been man's pet for over 14,000 years.
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