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Study casts doubt on climate benefit of biofuels from corn residue

Using corn crop residue to make ethanol and other biofuels reduces soil carbon and can generate more greenhouse gases than gasoline, according to a...

Excitons observed in action for the first time

Technique developed at MIT reveals the motion of energy-carrying quasiparticles in solid material. A quasiparticle called an exciton — responsible for the transfer of energy...

A novel way to make ethanol without corn or other plants

Copper-based catalyst produces large quantities of ethanol from carbon monoxide gas at room temperature. Stanford University scientists have found a new, highly efficient way to...

Permafrost thawing could accelerate global warming

A team of researchers lead by Florida State University have found new evidence that permafrost thawing is releasing large quantities of greenhouse gases into...

Hybrid Vehicles More Fuel Efficient In India, China Than in U.S.

What makes cities in India and China so frustrating to drive in—heavy traffic, aggressive driving style, few freeways—makes them ideal for saving fuel with...

A new angle on controlling light

System could provide first method for filtering light waves based on direction. Light waves can be defined by three fundamental characteristics: their color (or wavelength),...

Team models photosynthesis and finds room for improvement

Teaching crop plants to concentrate carbon dioxide in their leaves could increase photosynthetic efficiency by 60 percent and yields by as much as 40...

Staying cool in nanelectronic universe by heating up

As smartphones, tablets and other gadgets become smaller and more sophisticated, the heat they generate while in use increases. This is a growing problem...

Scientists discover new pathway for artificial photosynthesis

Humans have for ages taken cues from nature to build their own devices, but duplicating the steps in the complicated electronic dance of photosynthesis...

Batteries benefit from disordered materials

Lithium batteries, with their exceptional ability to store power per a given weight, have been a major focus of research to enable use in...

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