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The Mouse that Roared

Are we influenced by the fears, and maybe the loves of our ancestors?  This story – http://www.nature.com/news/fearful-memories-haunt-mouse-descendants-1.14272 – took my breath away.  A mouse was trained to react negatively to a particular smell, and this reaction was passed on to its grandchildren.  The experiment asks as many questions as it answers – for politicians, teachers, artists, for all of us.  Just as we’ve got used to the idea that we may be the product more of our genes than of our nurture, this blows the whole argument open again.

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