The Mt. Lyell shrew, a mouse-like mammal that lives in the central Sierra Nevada, has never been photographed in the 100 years since it was discovered. It took three industrious college students ...

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This research explores the molecular underpinnings of Dehnel's phenomenon, a rare adaptation in which the shrew's brain, skull, and other organs shrink by up to 30%, conserving energy in the face ...

According to the University of California, Berkeley, the Mount Lyell shrew was the only California mammal known to science that hadn’t been caught on camera. That changed when three young ...

The researchers started by analyzing gene expression in shrews across different points in the lifecycle, including in autumn (when the shrews’ brains were shrinking) and in spring (when their brains ...