Peer pressure forced whales and dolphins to evolve big brains, like humans - Quartz

Quartz
Peer pressure forced whales and dolphins to evolve big brains, like humans
Quartz
The human brain has evolved and expanded over millennia to accommodate our ever-more-complex needs and those of our societies. This process is known as “encephalization” and has given us the big brain we need to communicate, cooperate, reach ...
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