The cerebrospinal fluid from young mice is awash with factors that keep the brain sharp. Now, scientists led by Tony Wyss-Coray at Stanford University in Palo Alto, California, report that when ...

For a human, one of the first signs someone is getting old is the inability to remember little things; maybe they misplace their keys, or get lost on an oft-taken route. For a laboratory mouse, it’s ...

Researchers identified a protein in the fluid that could boost the cognition of aging animals — and might lead to future treatments for people. By Benjamin Mueller Five years ago, Tal Iram, a young ...