Grouse may rival owl's economic effect

Whether to declare the sage grouse an endangered species has pit environmentalists against ranchers in the northwestern United States.

Satellite measures pollution from east Asia to North America

In a new NASA study, researchers taking advantage of improvements in satellite sensor capabilities offer the first measurement-based estimate of the amount of pollution from East Asian forest fires, urban exhaust, and industrial ...

Nanophotonic switch device for routing light on a chip scale

IBM scientists today took another significant advance towards sending information inside a computer chip by using light pulses instead of electrons by building the world’s tiniest nanophotonic switch with a footprint about ...

An Oxygen Factory in a Nearby Galaxy

This Chandra X-ray Observatory image shows the debris of a massive star explosion in the Large Magellanic Cloud, a small galaxy about 160,000 light years from Earth.

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