Archive: 07/25/2011

New study finds cancer-causing mineral in US road gravel

As school buses drive down the gravel roads in Dunn County, North Dakota, they stir up more than dirt. The clouds of dust left in their wake contain such high levels of the mineral erionite that those who breathe in the air ...

Jul 25, 2011
popularity 4 / 5 (4) | comments 4 | with audio podcast

Interrupted sleep impairs memory in mice

With the novel use of a technique that uses light to control brain cells, Stanford University researchers have shown that fragmented sleep causes memory impairment in mice.

Jul 25, 2011
popularity not rated yet | comments 1 | with audio podcast