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Shrews skulls can shrink and regrow


seeder

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Shrews shrink their skulls by 20% to survive food shortages in the winter and then regrow them in the spring

    Researchers studied a group of 12 shrews from summer 2014 to autumn 2015
    The X-rays revealed that their heads shrunk in winter, and grew in spring
    Scientists suggest that the decline in size helps them to live when food is scarce
    They are unsure of the mechanism for this shrinking and growing


Read more: http://www.dailymail.co.uk/sciencetech/article-5001824/Shrews-skulls-SHRINK-20-winter.html#ixzz4wN3oOzvS


 

 

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