Ray Chew: As I was thinking about summertime… I think about music that takes us from the cookout to the club, and making sure ...

In aging mice, senescent cells in the choroid plexus recruited circulating macrophages. These immune cells released a protease, cathepsin S, that chewed up claudin 1, part of the glue that seals ...

This playful Belgian Malinois puppy learns that a cat's tail is not a toy in a hilarious encounter filled with puppy antics.