ENVIRONMENT & CLIMATE

Dog Domestication Begun Because of Leftovers

Dietary restrictions hold the key to dog domestication during the paleolithic era. Dogs might have become man's best friend because they ate Paleo humans' leftovers.

Platypus: Why Some Mammals Lay Eggs

New research explains why platypus and echidnas are the only egg-laying mammal. The not so popular Australian mammal, the platypus, has been a mystery to scientists since its discovery.

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