Archive: 04/30/2012

X-ray quasars, and a distance record

Quasars are thought to be galaxies whose bright nuclei contain massive black holes around which disks are actively accreting matter. The accretion process releases vast amounts of energy, often including a ...

Apr 30, 2012 3 / 5 (3) 0 | with audio podcast

Orangutans harbor ancient primate Alu

Alu elements infiltrated the ancestral primate genome about 65 million years ago. Once gained an Alu element is rarely lost so comparison of Alu between species can be used to map primate evolution and diversity. New research ...

Apr 30, 2012 5 / 5 (2) 0 | with audio podcast