A struggle for power

A struggle for power

Published online 9 November 2011 | Nature479, 160-161 (2011) | doi:10.1038/479160a News: Brazil is developing the last great untapped reserve of hydroelectricity, the Amazon basin. Jeff Tollefson When a few hundred demonstrators, mostly from indigenous communities, temporarily occupied the construction site of the Belo Monte dam on Brazil’s Xingu River early on 27 October, workers […]

Tropical tree roots represent an underappreciated carbon pool

Tropical tree roots represent an underappreciated carbon pool

In a unique study of tropical tree roots at the Smithsonian Tropical Research Institute, roots accounted for almost 30 percent of the total biomass of young trees. The six trees in the experiment, Anacardium excelsum (Espave in Spanish), Cedrela odorata, Dalbergia retusa (Cocobolo), Pachira quinata (Cedro Espino), Tabebuia rosea (Roble) and Terminalia amazonia (Amarillo), all […]

Slideshow: 2017 SSRL/LCLS Users’ Meeting

Slideshow: 2017 SSRL/LCLS Users’ Meeting

Newswise — This year’s SSRL/LCLS Annual Users’ Meeting brought together nearly 400 researchers who conduct experiments at Stanford Synchrotron Radiation Lightsource (SSRL) and the Linac Coherent Light Source (LCLS), including 90 participants in the concurrent High-Power Laser workshop.The meeting was held at the Department of Energy’s SLAC National Accelerator Laboratory Sept. 27-29. As DOE Office of Science User Facilities, SSRL and […]

Using Complex Carbohydrates to Absorb Nitrates, Phosphorus

Using Complex Carbohydrates to Absorb Nitrates, Phosphorus

Newswise — Brainstorming sessions between a food chemist and a hydrologist at South Dakota State University have produced an innovative, potentially money-saving idea that would put nutrients back in the field. Assistant professors Srinivas Janaswamy of the Department of Dairy and Food Science and Laurent Ahiablame of the Department of Agricultural and Biosystems Engineering will […]

Seth Stein: The quake killer

Seth Stein: The quake killer

Published online 9 November 2011 | Nature479, 166-170 (2011) | doi:10.1038/479166a News Feature The US government says that a huge earthquake risk lurks in the heart of the country, where a series of large shocks hit 200 years ago. Seth Stein says that kind of warning is dead wrong. Richard Monastersky Seth Stein argues that […]

The next supercontinent: Four ways Earth could reshape itself

The next supercontinent: Four ways Earth could reshape itself

Image Credit:Brett Ryder By Stephen Battersby ASIA is torn in two. The Atlantic and Pacific oceans are swallowed. Where once there were beaches, great mountain ranges judder into the skies, fusing together a scatter of separate land masses into one mighty new supercontinent. Call it… Aurica. That’s what João Duarte calls it, anyway. A geoscientist […]

Asteroid that just buzzed Earth may not miss on return visit – CNET

Asteroid that just buzzed Earth may not miss on return visit – CNET

A rendering of Asteroid 2012 TC4. NASA/JPL-Caltech The house-sized asteroid that just passed by Earth, almost as close as many satellites in orbit, will be back — and a future visit might lead to it taking up permanent residency here. On Tuesday night/Wednesday morning, Asteroid 2012 TC4 safely passed by our planet at an altitude […]

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