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SAN FRANCISCO -- A giant tidal barrier stretched across the Golden Gate is among the adaptation remedies proposed by a Bay area nonprofit to cope with anticipated sea level rise caused by climate change over the coming century.

If you live in an apartment in a city, you most likely have a fire escape attached to your building.

A silent jetpack would be like swimming in air, but it is likely beyond the physics of thrust In "Too Hard for Science?" I interview scientists about ideas they would love to explore that they don't think could be investigated. For instance, they might involve machines beyond the realm of possibility, such as particle accelerators as big as the sun, or they might be completely unethical, such as lethal experiments involving people

The Moral Lives of Animals by Dale Peterson. Bloomsbury Press, 2011 [More]

Until now, patients who suffer from one of the most common causes of vision loss have had little hope for treatment.

Name: Arun Majumdar Title: Director, Advanced Research Projects Agency–Energy [More]

Key concepts Sound [More]

The people of the world get 75 percent of their sustenance--either directly, or indirectly as meat--from four crops: maize (corn), wheat, rice and soybeans. The world's rising population--now predicted by the United Nations to reach 10.1 billion by century's end --has been fed thanks to rising yields of all four of these crops during the past century.

The people we associate with can have a powerful effect on our behavior --for better or for worse. This holds true for human health and body mass, too. The heavier our close friends and family, the heavier we are likely to be

WASHINGTON (Reuters) - After a series of high-profile natural gas drilling spills, the Energy Department named a panel to recommend ways to improve the safety of hydraulic fracturing, or fracking, a technique that has expanded the country's potential to extract the fuel.

Paleoanthropology is a discipline known as much for its feuds as for its findings. Among the best known of these clashes is a longstanding one between two of the field's most famous scientists, Donald Johanson and Richard Leakey

By Jeff Tollefson of Nature magazine Given the current political climate, it did not come as much of a surprise when the chief executive of one of the largest utility companies in the United States addressed the tenth annual Conference on Carbon Capture and Sequestration (CCS) in Pittsburgh, Pennsylvania, this week with a talk questioning the viability of carbon-storage ventures in the next few years. Michael Morris, chief executive of American Electric Power (AEP), headquartered in Columbus, Ohio, said that the energy industry needs a signal from politicians in Washington DC.

* Rainiest April on record hits coffee trees * Damage to roads will complicate exports [More]

Some things are best done after dark. Setting off fireworks. Telling scary stories

On top of the usual "spills in aisle five," grocery stores have another mess they're hoping to clean up: greenhouse gas leaks. U.S. EPA announced yesterday that its partnership to cut greenhouse gas emissions from grocery stores has reached 50 states.