News tagged with pollen grain

Trapped dental 'calculus' holds clues to ancient human diets and health

Many ancient human teeth, including specimens tens of thousands of years old, still hold onto tiny pieces of food -- and even bacteria. Anthropologists are studying the tartar attached to ancient human teeth ...

Other Sciences / Archaeology & Fossils

created May 31, 2012 | popularity 4 / 5 (2) | comments 0 | with audio podcast