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3/31/2017

Topic Reading-Vol.1815-3/31/2017

Dear MEL Topic Readers,
A change in diet may have helped our brains get so big
Why are human brains larger than the one of other animals’ or relatives’, whether living or extinct ones?
It has been believed that social behavior contributes how the brain of certain species evolves over time. Think of a solitary primate that never interacts or communicates with others. The part of the brain that controls communication will never be activated, and any useless part of the body never evolves but degenerates over time. If that is the case, the larger the social group is, the better for brain development is?
New study finds that nutrition is another factor that affects the brain size of primates directly and indirectly. Some researchers found that the better the nutrition is, like fruits over leaves, the larger the brain size of certain primate spices is. This sounds understandable, but are fruits easy to get throughout the year and within the territory of the social group?
Enjoy reading and learning the links between social activities, diet and brain size.

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