Fracking shifts global energy balance

North America's shale oil and gas boom has shifted the balance in global energy markets, giving the US and Canada new leverage as exporters, despite the Middle East retaining a pivotal role.

TRMM satellite sees tropical storm Lua's rainfall

A tropical storm called Lua formed in the Indian Ocean off Australia's northwestern coast on March 13, 2012. NASA's TRMM satellite passed over Lua and observed moderate rainfall and strong towering thunderstorms within on ...

Researcher looks at the future of agriculture

Dramatic price fluctuations, increasing demand, the food vs. fuel debate, and other events of the past year may have food producers wondering which way is up.

One Sponge-Like Material, Three Different Applications

(PhysOrg.com) -- A new sponge-like material that is black, brittle and freeze-dried (just like the ice cream astronauts eat) can pull off some pretty impressive feats. Designed by Northwestern University chemists, it can ...

US petroleum dependency factor of history

When the Drake Oil Well in Titusville, Pennsylvania began seeping crude oil 150 years ago, humanity allowed itself to become engulfed in the ecology of oil, according to a Penn State environmental historian. Now in the midst ...

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