Scientists have discovered that a mysterious foot found in Ethiopia belonged to a previously unknown ancient relative similar to Lucy.

Shuffling a web-based degree with life's different responsibilities demands fastidious using time effectively. However, with the right methodologies, it's feasible to

Amy Robach and T.J. Holmes are proud of their gift-giving skills. But it turns out that there's a literal science to what makes a good present. So they asked a researcher who studies gifting how their methods measure up.