New Clues Add 40,000 Years to Age of Human Species
..., are far more ancient than researchers originally suspected and nearly 40,000 years older than skulls from Herto, Ethiopia, the previous record holders. The Kibish hominids—dubbed Omo I and Omo II—were once entombed in sediments on opposite sides of the Omo River in southern Ethiopia. By applying modern rad......erved around hydrothermal vents. Smith immediately suspected that they might be related. Today, Smith and others have traced the succession of events that lead to these aggregations of animals. They feed these communities like feeding pigeons in a park except that in Smith’s case, they tow a dead whale out to...It's not all genetic: Common epigenetic problem doubles cancer risk in mice
...les from a dozen or so Johns Hopkins patients with suspected colon cancer suggests that IGF2's effect in people...er study of samples from patients with and without suspected colon cancer is underway, Feinberg notes. In the mice -- as well as in about 30 percent of colon ca...