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Competition may be reason for bigger brain

For the past 2 million years, the size of the human brain has tripled, growing much faster than other mammals. Examining the reasons for human brain expansion, University of Missouri researchers studied three common hypotheses for brain growth: climate change, ecological demands and social competition. The team found that social competition is the major cause of increased cranial capacity.

MU study finds connection between evolution, classroom learning

COLUMBIA, Mo. -- Over thousands of years, humans have evolved to naturally understand things like facial expressions and social interactions. But a University of Missouri researcher has found there is an ever-widening gap between what humans can naturally learn and what they need to learn to be successful adults in today's modern society.



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