Friday, September 23, 2005

The roots of civilization trace back to ... roots. About five to seven million years ago, when the lineage of humans and chimpanzees split, edible root plants similar to rutabagas and turnips may have been one of the reasons. According to research by anthropologists Greg Laden of the University of Minnesota and Richard Wrangham of Harvard University, the presence of fleshy underground storage organs like roots and tubers must have sustained our ancestors who left the rain forest to colonize the savannah. [Science Blog -] 4:39:11 PM      Google It!.

Down's syndrome recreated in mice. Scientists create the most successful recreation yet of Down's syndrome in mice by adding a human chromosome. [BBC News | Science/Nature | UK Edition] 9:08:14 AM      Google It!.