Archive: 12/20/2006

Dinosaurs -- stones did not help with digestion

The giant dinosaurs had a problem. Many of them had narrow, pointed teeth, which were more suited to tearing off plants rather than chewing them. But how did they then grind their food? Until recently many researchers have ...

Dec 20, 2006 4 / 5 (11) 0

Human-chimp difference may be bigger

Approximately 6 percent of human and chimp genes are unique to those species, report scientists from Indiana University Bloomington and three other institutions. The new estimate, reported in the inaugural ...

Dec 20, 2006 3.7 / 5 (6) 0
  • Pages: 1 2 3