Comcast exploring stake in NBC

(AP) -- Comcast Corp. is in negotiations to buy 20 percent to 50 percent of NBC Universal, according to people familiar with the negotiations.

Increasingly, states push for e-waste recycling

(AP) -- Frustrated by inaction in Congress, a growing number of states are trying to reduce the rising tide of junked TVs, computers and other electronics that have become one of the nation's fastest-growing waste streams.

Researchers reveal key to how bacteria clear mercury pollution

Mercury pollution is a persistent problem in the environment. Human activity has lead to increasingly large accumulations of the toxic chemical, especially in waterways, where fish and shellfish tend to act as sponges for ...

Blood diagnosis -- chip-based and mobile

The analysis takes just a few minutes and the doctor knows straight-away whether there are any pathogens in the blood. An improved marker-free technique provides the basis for faster analysis, whether in a hospital or for ...

Energy-autonomous sensors for aircraft

Aircraft maintenance will be easier in future, with sensors monitoring the aircraft skin. If they discover any dents or cracks they will send a radio message to a monitoring unit. The energy needed for this will be obtained ...

'Soil dipstick': A thermometer for the Earth

According to climate change experts, our planet has a fever -- melting glaciers are just one stark sign of the radical changes we can expect. But global warming's effects on farming and water resources is still a mystery. ...

In amoeba world, cheating doesn't pay

(PhysOrg.com) -- Cheaters may prosper in the short term, but over time they seem doomed to fail, at least in the microscopic world of amoebas where natural selection favors the noble.

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