Common shrews are one of only a handful of mammals known to flexibly shrink and regrow their brains. This rare seasonal cycle, known as Dehnel's phenomenon, has puzzled scientists for decades. How can ...

Add Yahoo as a preferred source to see more of our stories on Google. a small brown shrew is about 1/3 of the size of the blue-gloved human hand it is sitting on. In preparation for winter, the common ...

Subtle changes in brain blood flow and oxygen use are closely linked to hallmark signs of Alzheimer’s, including amyloid ...

A massive international brain study has revealed that memory decline with age isn't driven by a single brain region or gene, but by widespread structural changes across the brain that build up over ...

People with higher levels of abdominal body fat are at greater risk of having brain atrophy with aging, according to an international study that included a team of clinical researchers from Providence ...