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ちょっと知的な雑学&トリビア

人の進化は加速している?!

2007年12月11日 【雑学なメモ
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Are Humans Evolving Faster? : University of Utah News Release : December 6th, 2007
“We used a new genomic technology to show that humans are evolving rapidly, and that the pace of change has accelerated a lot in the last 40,000 years, especially since the end of the Ice Age roughly 10,000 years ago,” says research team leader Henry Harpending, a distinguished professor of anthropology at the University of Utah.
氷河期が終わって以降、特に加速していると。人類の多様性はますます増していく。特に人口が急増したこの1万年間はと。考えてみればそうか、生きていく環境は激変したわけだし、母数が増えれば、変化の可能性も高まるか。

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This Is Your Brain on Violent Media – Columbia University Medical Center
a brain network responsible for suppressing behaviors like inappropriate or unwarranted aggression (including the right lateral orbitofrontal cortex, or right ltOFC, and the amygdala) became less active after study subjects watched several short clips from popular movies depicting acts of violence.
暴力的な映像の悪影響ってよく言われるけど、それを脳研究からサポートする結果。暴力的なシーンを見た後では、不調和を抑制する部分の活動があまり働かなくなるって。

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いわゆる原始スープだけでは組織化の動因にかけると。それで、雲母の結晶の隙間に「サンドイッチ」されていたと考えたら、という説。

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