If you're finding it harder to remember where you put the car keys, the culprit could be a brain protein with a name that's easy to forget: RbAp48.
A shortage of this protein appears to impair our ability to remember things as we age, researchers report in the current issue of Science Translational Medicine. And boosting levels of RbAP48 in aging brains can reverse memory loss, at least in mice, they say.
As the nation marks the 50th anniversary of the March on Washington, All Things Considered concludes its series about the moments that defined the historic summer of 1963. Back in 1999, Noah Adams explored the history and legacy of the song "We Shall Overcome" for the NPR 100. The audio link contains a condensed version of that piece.