CAIRO, July 3 — DNA obtained from the remains of a man who lived in ancient Egypt around the time the first pyramids were built is providing evidence of the ties between two great cultures of the period, with a fifth of his genetic ancestry traced to Mesopotamia.

LONDON, July 10 — The fossil remains of a plant-eating dinosaur estimated to have roamed the earth some 125 million years ago have been discovered on England’s Isle of Wight, with scientists believing it to be the most complete new specimen found in Britain in a century.