Extinction of large animals responsible for human evolution, says new study
Since larger animals were going extinct, humans had to start hunting smaller, swifter animals which increased the volume of their brains.
from http://www.firstpost.com/tech/science/extinction-of-large-animals-responsible-for-human-evolution-says-new-study-9394351.html
from http://www.firstpost.com/tech/science/extinction-of-large-animals-responsible-for-human-evolution-says-new-study-9394351.html
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