How an exercise-activated enzyme helps to keep the brain young

· · 来源:kb资讯

Ученые нашли необычное применение рыбамРоссийские ученые научились отслеживать загрязнение водоемов с помощью рыб

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Watch dramatic rescue of skier buried in deep snowA GoPro camera captures the moment two skiers rescued another skier buried under feet of snow in Lake Tahoe, California.

The false positives at the bottom

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