Grass is hard to digest. That's why cows chew an average of 50 times per minute - a total of 30,000 times per day. Even if we humans really make an effort, we generally don't chew a morsel of food mor...

Calves are born around once a year. It's very important they drink their mother's milk within the first few hours. This is a special yellowish liquid known as colostrum that cannot be drunk by humans....