Toyota to launch six new hybrids by end of 2012

The world's top automaker Toyota Motor plans to launch six new hybrid models by the end of 2012, a spokesman for the company said Tuesday, as competition to build greener cars heats up.

Researchers find selfishness can sometimes help the common good

Scientists have overturned the conventional wisdom that cooperation is essential for the well-being of the whole population, finding evidence that slackers can sometimes help the common good. Researchers, from Imperial College ...

Lightbulbs: The more efficient they get, the more light we use

This is a cautionary tale about a few porch lights. Once upon a time, porch lights had incandescent bulbs. Eventually, many residents subbed them out with those swirly compact fluorescent bulbs, which use a quarter of the ...

Last strongholds for tigers identified in new study

A new peer-reviewed paper by the Wildlife Conservation Society and other groups reveals an ominous finding: most of the world's last remaining tigers -- long decimated by overhunting, logging, and wildlife trade -- are now ...

CfA will play major role in mission to 'touch' the sun

When NASA's Solar Probe Plus (SPP) launches before the end of the decade, it will carry a suite of cutting-edge scientific instruments. Only one - the Solar Wind Electrons Alphas and Protons (SWEAP) Investigation - will directly ...

Cisco to start paying a dividend by next summer

(AP) -- Cisco Systems Inc., the world's largest maker of computer-networking gear, said Tuesday that it would pay its first dividend by July, the end of its current fiscal year.

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