英検準一級長文問題挑戦①
思い立って『英検準1級 DAILY30日間集中ゼミ』(旺文社)を少しずつ解いて、記録を残していこうとおもいます。本文Smart Cells
Cut your finger, and skin will heal; break a leg, and bones will knit.
Suffer a brain injury, however, and the cells will never regenerate, or at least, that was the rule until now. Two Canadian neuroscientists have just published their discovery that the brain [ 1 ] to grow new cells. Though preliminary ― and still limited to mice― their finding could have broad applications for Parkinson’s disease, Alzheimer’s, strokes and other devastating ailments marked by a loss of nerve cells in the brain.
While experimenting with embryonic mice, Samuel Weiss and Brent Reynolds, of the University of Calgary in Alberta, found a pr
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