What fueled humans’ big brains? Controversial paper proposes new hypothesis. – Livescience.com

Over the course of the Pleistocene epoch, between 2.6 million years ago and 11,700 years ago, the brains of humans and their relatives grew. Now, scientists from Tel Aviv University have a new hypothesis as to why: As the largest animals on the landscape disappeared, the scientists propose, human brains
had to grow to enable the hunting of smaller, swifter prey.
This hypothesis argues that early humans specialized in taking down the largest animals, such as elephants
, which would have provided…

Click here to view the original article.