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The island of Key Biscayne, Fla., sits in the Atlantic Ocean 10 miles southeast of Miami. Its 10,000 residents depend on the Rickenbacker Causeway, a four-mile-long toll bridge connecting the island to the mainland, for all their supplies

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Water, CO2 the priorities for China’s 5-year plan

By David Stanway BEIJING (Reuters) - Tackling environmental problems from carbon emissions to water pollution will be a key focus of a new five-year plan that China will launch during its annual parliament session starting on Saturday. [More]

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Self-Aware Robots?

Journalist Charles Choi talks about work being done to make robots self-aware. Plus, we test your knowledge about some recent science in the news. Web pages related to this episode include " Automaton, Know Thyself: Robots Become Self-Aware " and "New Challenges for Evolution Education" [More]

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How Tumors Resist Chemotherapy

By Cassandra Willyard Potent chemotherapy drugs such as Taxol (paclitaxel) prompt cancer cells to self-destruct -- but some tumours stubbornly survive the treatment. Two studies have now independently pinpointed a gene that lies behind at least part of this resistance

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Libya’s ‘Extraordinary’ Archaeology under Threat

By Declan Butler Eleven Italian researchers who were evacuated from Libya in a C-130 Hercules military aircraft on Saturday are thought to have been among the last foreign archaeologists in the country. [More]

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More "Deep Time" Records Needed to Understand Climate Future

The keys to understanding future climate change may be locked in rocks and sediments that act as records of conditions millions or billions of years ago, the National Academy of Sciences said yesterday.

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U.N. climate talks seen missing aid plan deadline

By Alister Doyle, Environment Correspondent OSLO (Reuters) - A plan by almost 200 countries to step up efforts to fight climate change is set to miss a March deadline for starting work on a green fund to help developing nations, delegates said on Wednesday. [More]

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Virtual Archaeology at Stonehenge [Video]

Theories about Stonehenge have historically tended to regard it as a stand-alone monument. But an increasingly well-supported view holds that Stonehenge was just part of a much larger ceremonial landscape, as this article in the March issue of Scientific American explains

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How National Security Depends on Better Lithium Batteries

NATIONAL HARBOR, Md.--Lithium spontaneously combusts in air, yet the battery in your computer--and any of the stacks in the new breed of electric vehicles--is made from it. Lithium even burns in water, which is too bad because a lithium-water battery could be both cheap and powerful.

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