ざつがく・どっと・こむ
ちょっと知的な雑学&トリビア

恐竜の「ミイラ」発見

2007年12月05日 【雑学なメモ
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BBC NEWS | Science/Nature | Amazing find of dinosaur ‘mummy’
Skin, muscle, tendons and other tissue that rarely survive fossilisation have all been preserved in the specimen unearthed in North Dakota, US.
うわあ、やっぱりウロコなんだねぇ。色までは残念ながら分からないみたいだけど。

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Chimp beats students at computer game : Nature News
A particularly cunning seven-year-old chimp named Ayumu has bested university students at a game of memory. He and two other young chimps recalled the placement of numbers flashed onto a computer screen faster and more accurately than humans.
京大霊長類研究所。数字の並びを覚えることにかけてはと。いわゆるワーキングメモリの差というより、学生だと数字を数字としてとらえてしまうためかなあ。絵じゃなくって。

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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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