Wednesday, 23 Apr 2014 08:20 AM
A degenerative eye disease slowly robbed Roger Pontz of his vision.
Diagnosed with retinitis pigmentosa as a teenager, . . .
Tuesday, 22 Apr 2014 15:53 PM
Researchers now say humans may have started leaving Africa earlier than they thought, and did so in more than one migrat . . .
Tuesday, 22 Apr 2014 14:56 PM
Lead poisoning may have contributed to the fall of the Roman Empire, according to a report from the Proceedings of the N . . .