early humans

What can dental plaque tell us about our ancestors?

As small children, we learn the importance of brushing and flossing our teeth. But as it turns out, a little tartar may be a good thing, at least for anthropologists studying early modern humans. Plaque contains genetic information that offers clues about how early humans lived millions of years ago. Professor Christina Warriner, a pioneer […]

What lies beneath the Great Lakes?

A team of researchers in Michigan has discovered a site older than the pyramids. But it’s not buried beneath the earth. It’s submerged in a hundred feet of water.