Older mouse brains, that is — but researchers hope that the findings could someday help elderly humans.
When you go to the doctor you may get an eye test or a hearing test — but you never get a smell test. A new study from researchers at the University of Chicago may change that.
When researchers gave old mice the blood of young mice, it seemed to kickstart their brains, boosting their ability to learn and remember, and strengthening their muscles. Would a similar thing ever work in humans? It's too soon to say, really, but scientists are working on it.
Ntshepeng Motema is a South African living in New York. In this radio essay, she talks about how she's been spending a lot of time online checking for news on the health of South Africa's ailing former president, Nelson Mandela.
For today's Geo Quiz we explore the secret to longevity on a Greek island in the Aegean Sea where residents live, on average, longer than in Europe or the US. The BBC's Andrew Bomford travelled to island of old age to find out the secret.
An Israeli children's museum has opened what the world's first museum exhibit simulating what it is like to get old.
Some gay and lesbian Spaniards are trying to open Spain's first gay-friendly retirement home. They're doing it at a time when the new conservative government is trying to roll back gay rights legislation.