This Week in Science
Ancient Carbonate Minerals on Mars | Pulsar Clocks | Let There Be Light | Quantum Mechanics Born to Be Linear | Network Approaches to Highly Porous Materials | Acidification of the Ancient Oceans | Staying in Place | Location, Location, Location | Fat's Mixed Messages | Complex I Under Scrutiny | Heme Communication Revealed by Asymmetry | Brain...

Editors' Choice
Psychology: Clarity of Writing | Biochemistry: Inhibiting the Uninhibited | Ecology: Hawks Take Out Sparrows | Chemistry: Gazing Up at a Cone | Astrophysics: Flowing Farther | Climate Science: Untangling the Threads | Cell Biology: Where to Mate

Random Samples
What the Heck? | Big Bucks Down Under | Moose Maladies | Stitching Light

[Editorial] Escalating Threat of Wheat Rusts
Authors: Mogens Støvring Hovmøller, Stephanie Walter, Annemarie Fejer Justesen

[News of the Week] HIV/AIDS: At Last, Vaginal Gel Scores Victory Against HIV
For the first time ever, a vaginal gel has unequivocally blocked the transmission of HIV, it was reported online this week in Science and in a presentation at the 18th International AIDS Conference in Vienna.Author: Jon Cohen

[News of the Week] Drug Safety: Planned Study of Avandia in Doubt After FDA Review
Last week's sharply divided opinion on whether the Food and Drug Administration should pull the glucose-lowering drug Avandia from the U.S. market for potentially increasing the risk of heart attacks in diabetes patients has left a lingering scientific question: What should happen to a study, called TIDE, that compares Avandia and a competing...

[News of the Week] Undergraduate Education: NSF Misfires on Plan to Revamp Minority Programs
A new plan by the National Science Foundation to fold three programs aimed at preparing more minority students to enter careers in science and engineering into a still-to-be-defined initiative has scientists and university administrators involved in the programs up in arms, and Congress is telling NSF to go back to the drawing board.Author:...

[News of the Week] Rare-Earth Elements: Chinese Policies Could Pinch U.S. Efforts to Make Electric Vehicles
This month, China announced that it will cut exports this year of rare-earth elements by 40%, which could ground fledgling efforts to build clean-energy industries in the United States and other Western countries.Author: Robert F. Service

[News of the Week] ScienceInsider: From the Science Policy Blog
ScienceInsider reported this week that climate scientist and activist Stephen Schneider, 65, died 19 July of an apparent heart attack, ending a nearly 40-year career doing climate science, assessing climate science for policymakers, explaining it articulately to the public, and defending it energetically against skeptics, among other stories.

[News of the Week] Conservation Biology: Last Stand on the Yangtze
Time is running out for the world's only freshwater porpoise, the Yangtze finless porpoise: Unless threats to its survival are met head on, the porpoise could be gone in 15 years, ecologists say.Author: Richard Stone

[News of the Week] ScienceNOW.org: From Science's Online Daily News Site
ScienceNOW reported this week on a way to better quantify a couple's chance of having a child using IVF, why gorillas play tag, a Jupiter-sized comet, and new studies showing that adult cells reprogrammed to resemble embryonic cells retain signatures of the tissue from which they came, among other stories.

[News of the Week] Newsmaker Interview: Nobelist Paul Nurse to Pilot Royal Society, London Superlab
Paul Nurse spoke with Science last week about his past, his recent suggestion to bolster U.K. funding for 100 to 150 top researchers, and his busy future as both president of the Royal Society and founding director of the UK Centre for Medical Research and Innovation.Author: Jocelyn Kaiser

[News Focus] Energy: Dams for Patagonia
Pressed by a demand for electricity, Chile is considering seven big dams and a transmission line through its southern wilderness; critics say the environmental risks have not been fully examined.Author: Gaia Vince

[News Focus] Energy: A Craving for Hydropower
Environmentalists and independent energy analysts argue that by improving efficiency and investing in renewable energy, Chile could find more than enough power within its borders for at least a decade—and without more dams. So far, however, energy planners have not been persuaded.Author: Gaia Vince

[News Focus] Profile: Nicholas Dodman: Can Dogs Behaving Badly Suggest a New Way to Treat OCD?
One of the world's most popular vets argues that research on animals with behavioral problems can offer insight into people with obsessive-compulsive disorder.Authors: Constance Holden, John Travis

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