Archive: 10/20/2011

Clearing house for DNA gets a boost

Arizona State University's Biodesign Institute is home to a rich trove of biological material. Known as DNASU, this growing storehouse—a sort of genetic Library of Congress—holds over 147,000 plasmids, (circular ...

Oct 20, 2011
4.7 / 5 (3) 0

Giant flakes make graphene oxide gel

(PhysOrg.com) -- Giant flakes of graphene oxide in water aggregate like a stack of pancakes, but infinitely thinner, and in the process gain characteristics that materials scientists may find delicious.

Oct 20, 2011
5 / 5 (8) 3 | with audio podcast

Significant ozone hole remains over Antarctica

The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on September 12, stretching 10.05 million square miles, the ninth largest on record. Above the South Pole, ...

Oct 20, 2011
5 / 5 (6) 0 | with audio podcast

Polar bear habitats expected to shrink dramatically

Habitats of polar bears are expected to shrink dramatically over the coming decades, the International Union for Conservation of Nature warned Thursday, urging immediate action to save the Arctic animals.

Oct 20, 2011
5 / 5 (2) 0