Biology News
'Brain on a chip' reveals how the brain folds: Physics and biology ... - Science Daily


Science Daily
Our brains are wrinkled like walnuts by the time we are born. Babies born without these wrinkles -- called smooth brain syndrome -- suffer from severe developmental deficiencies and their life expectancy is markedly reduced. Now researchers have ...

Every experience that the brain perceives is unique - Medical Xpress


Medical Xpress
The neurons in the prefrontal cortex will be active each time – just as if the experience was entirely new," explains study author Hugo Malagon-Vina from the Division of Cognitive Neurobiology at MedUni Vienna's Center for Brain Research. Potential ...

Anatomy of the struggle: Roughers' seasons have been loaded with trials, have hope for one last push - Muskogee Daily Phoenix


Muskogee Daily Phoenix
Muskogee's Cameron Clemmons drives in for a layup against Broken Arrow in a December game at Ron Milam Gym. Both MHS teams play regional games this week. Phoenix file photo. It's been tough days to be a Rougher this season on the hardwoods. When ...

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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