Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye—called the cornea—can heal from minor scratches within a single day. The brain is not one ...

Neurons from grafted stem cells contain intrinsic codes for navigating and forming connections, which may improve cell therapy for a brain short-circuited by stroke. Some parts of our bodies bounce ...

Some parts of the body can recover from injury fairly rapidly. The cornea, for example, can heal from minor scratches within a single day. The human brain, however, is not one of these fast-healing ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: As the human brain ages, the ...