Hindi, Greek and English all come from a single ancient language – here’s how we know

This now-extinct tongue was probably spoken somewhere in Eurasia as many as 8,000 years ago. But how do we know ...

How Do Scientists Really Date Prehistoric Fossils? Surrounding Rocks Hold the Clues.

Step aside, carbon dating. Paleontologists date fossils based on the clues in the rocks surrounding them. When paleontologists dig up a fossil from the ground, how do they figure out the age of the ...