Age puzzles go back to antiquity. They challenge us to figure out how ages fit together into a pattern, using a blend of ...

You get older every day. But how old are your cells and organs, really?

When María Branyas Morera turned 116, scientists asked if they could take a peek under the hood. She agreed, cheerfully. Blood, saliva, urine, stool — they wanted it all. What they found was nothing ...

Several netizens took to social media to highlight that YouTube has restricted their account after labelling it as minor.

The Medigap birthday rule isn't actually a single, uniform federal regulation. Rather, it refers to state-specific laws that ...