Biology News
Can simulating evolution on a computer explain our enormous brains? - Los Angeles Times


Los Angeles Times
Human brain evolution is not something you can test in the lab. It would take hundreds of years, if not thousands, to reveal how evolutionary pressures shaped the modern human brain. And even if you could do those experiments, they would probably not ...
New Scientist
Vox
Nature

Why do humans have such large brains? Our study suggests ecology was the driving force - The Conversation UK


The Conversation UK
But our new study, published today in Nature, finds evidence against this idea and shows that human brain expansion was likely driven by ecology. Hypotheses for the evolution of the human brain size all agree that brain expansion increased our ability ...
Los Angeles Times
Jakarta Post
Nature

No REST for the Brainy: Human Evolution Linked to Diseases of Aging - Alzforum


Alzforum
In evolution, there is no free lunch. In other words, a good brain exacts its price. According to a May 23 study in Cell Systems, some of the same genetic adaptations that bestowed the cerebral cortex on humans also may have opened the door to diseases ...

A Brain for All Seasons: Human Evolution

Wayne - United States

Offers an outline of William Calvin's from his book about a theory about human brain evolution and climate change.

  • Category:

    Evolution - Human

  • Image:

  • Description:

    William H. Calvin, A Brain for All Seasons (University of Chicago Press, 2002), Table of Contents
    Oneof the most shocking scientific realizations of all time has slowly beendawning on us: the earth?s climate does great flip-flops every few thousand years, and with breathtaking speed. Many times in the lives of our ancestors,the climate abruptly cooled, just within several years. Worse was the accompanying drought and theforest fires, all around the world. Populations crashed for most mammals, including our ancestors. Our ancestors lived through hundreds ofsuch episodes u but each became a population bottleneck, one that eliminatedmost of their relatives. We are the improbable descendants of those who survived u and later thrived.

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