749,460 articles

Silicon spin transistors heat up and spins last longer

(PhysOrg.com) -- University of Utah researchers built "spintronic" transistors and used them to align the magnetic "spins" of electrons for a record period of time in silicon chips at room temperature. The study is a step toward computers, phones and other spintronic devices that are faster and use less energy than their electronic counterparts.

How the market can keep streams flowing

How can we restore overused rivers and creeks? One solution: tie the fate of breweries, farmers and the watershed togetherWith streams and rivers drying up because of over-usage, Rob Harmon has implemented an ingenious market mechanism to bring back the water. Farmers and beer companies find their fates intertwined in the intriguing century-old tale of Prickly Pear Creek. This is an interesting...

Response: Uganda's disease-hit banana crops will not be saved by GM science

The only protection is crop diversity and proven natural farming methods, says Emma HockridgeYour report states: "A plant disease has led to devastating crop losses. GM could be the only answer" (A nation's staple is under threat – but can science save Uganda's bananas?, 9 March). Readers with long memories will recall that the promise of the GM industry to save banana crops has been around for...

UCLA debates what to do about video rant on Asians (AP)

AP - Officials at the University of California, Los Angeles, are evaluating what to do about a white student who posted a video on YouTube mocking her fellow Asian classmates and criticizing them for calling family members in the library following the tsunami.

20th anniversary of first laparoscopic nephrectomy

Since the first laparoscopic procedure was performed to remove a diseased kidney 20 years ago at Washington University in St. Louis, this breakthrough minimally invasive technique has become the standard of care for surgical nephrectomy. This remarkable achievement is celebrated with a series of cutting-edge articles in Journal of Endourology.

Arachnophobes beware: Hubble snaps close-up of the Tarantula

The NASA/ESA Hubble Space Telescope has produced an outstanding image of part of the famous Tarantula Nebula, a vast star-forming cloud of gas and dust in our neighboring galaxy, the Large Magellanic Cloud. In this picture, we see a close-up of the Tarantula's central region, glowing brightly with ionized gases and young stars.