29/10/2015

Improving risk-cost-benefit analysis

The effects of new technologies and discoveries—from nuclear power to medical treatments —often must be inferred long before they are experienced, forcing policymakers to rely on risk, cost and benefit analyses when deciding ...

Study predicts bedrock weathering based on topography

Just below Earth's surface, beneath the roots and soil, is a hard, dense layer of bedrock that is the foundation for all life on land. Cracks and fissures within bedrock provide pathways for air and water, which chemically ...

A new primate species at the root of the tree of extant hominoids

Living hominoids are a group of primates that includes the small-bodied apes (the lesser apes, or gibbons and siamangs, which constitute the family Hylobatidae) and the larger-bodied great apes (orangutans, gorillas and chimpanzees), ...

New design points a path to the 'ultimate' battery

Scientists have developed a working laboratory demonstrator of a lithium-oxygen battery which has very high energy density, is more than 90% efficient, and, to date, can be recharged more than 2000 times, showing how several ...

Time Warner Cable plans for TV on the Internet

Hate your cable box? In a few weeks, Time Warner Cable is going to start testing in New York City a cable service that doesn't need one and is delivered over their customers' home Internet.

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