Gut bacteria reveals human migration

From ABC Science, News in Science, 23 January 2009: A bacterial parasite known to cause stomach ulcers is shedding new light on ancient patterns of human migration across the Pacific region, according to an international study. In the latest edition of Science, researchers report that their study of the distribution of Helicobacter pylori genotypes has Continue reading Gut bacteria reveals human migration

This sound barrier can be broken

From The Australian, 10 January 2009: At age two years and seven months, William Long is already an unstoppable chatterbox. “People say ‘oh my goodness, he really doesn’t stop talking’,” says his mother Sandra. Not that this would normally be considered that unusual, except for the fact that William is profoundly deaf, and has been Continue reading This sound barrier can be broken

T cell turnoff

From Scientific American, December 2007: HIV is devastating because it attacks and destroys the body’s defense system against pathogens, leaving patients fatally exposed. So what would possess scientists to treat HIV-positive patients with drugs that suppress the immune system? Such therapy may in fact offer a new approach in the battle against AIDS. An unexpected Continue reading T cell turnoff