到了冬天脑子变小，这听上去也太可怕了。科学研究证实，大脑缩小确实会影响普通鼩鼱的认知能力。实验表明，头骨收缩前的普通鼩鼱，在空间导航任务中的学习速度明显快于那些已经经历大脑缩小的个体。这意味着，它们在冬天可能会变得“迟钝”一些。

With a life-expectancy of barely a year, the poor ol' Eurasian common shrew (Sorex araneus) has no desire to waste precious months catching Zs beneath the snow drifts. It instead evolved a very ...

N ew research shows how the Eurasian common shrew (Sorex araneus) changes its brain and bodily size throughout the year. The study, published online in eLife, reveals how changes in gene ...