freelance science journalist and author
Science reporting
From ABC Science Online, News in Science, 10 October: Reconstructing dinosaurs from ancient DNA has been dealt a blow with a new study finding genetic material can only last one million years. An international team of researchers reached the finding after analysing DNA extracted from bones of the extinct New Zealand moa. They found that … Continue reading DNA dating study kills off ‘Jurassic Park’
From Scientific American, March 2009: Even in the teeming and varied world of bacteria, Wolbachia is something of a standout. Within its insect host, the bacterium acts as a gender-bending, egg-killing, DNA-hijacking parasite that is passed down from one generation to the next via the female to her eggs. Hosted by at least one fifth … Continue reading A bug for a bug for a bug
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
Bianca Nogrady 