19/04/2011

Gold prices spur six-fold spike in Amazon deforestation

Deforestation in parts of the Peruvian Amazon has increased six-fold in recent years as small-scale miners, driven by record gold prices, blast and clear more of the lowland rainforest, according to a new Duke University-led ...

Nature still sets standard for nanoscience revolution

(PhysOrg.com) -- By striving for control and perfection in everything from computer chips to commercial jets, scientists and engineers actually exclude a fundamental force that allows nature to outperform even their best ...

Astronomers can tune in to radio auroras to find exoplanets

(PhysOrg.com) -- Detecting exoplanets that orbit at large distances from their star remains a challenge for planet hunters. Now, scientists at the University of Leicester have shown that emissions from the radio aurora of ...

IBM earnings up 10 percent, helped by weak dollar

(AP) -- IBM Corp. on Tuesday reported stronger-than-expected net income and revenue for the first quarter, helped by the weak dollar and strong performance from its hardware division.

Business buying lifts Intel as tablet threat looms

(AP) -- Intel Corp. has sent a strong message to Wall Street: Tablets may be transforming the computer industry, but there's still a lot of money left to be made in the huge market for traditional PCs.

Yahoo 1Q results top analyst views; stock climbs (Update)

(AP) -- Yahoo Inc. is delivering on its promise to boost its earnings even though a bumpy beginning to its Internet search partnership with Microsoft Corp. is causing it to fall further behind in the Web's most lucrative ...

US approves construction of first offshore wind farm

The US government on Tuesday approved a plan to build the country's first offshore wind farm, in a picturesque bay near Cape Cod, a popular Massachusetts holiday destination.

LED efficiency puzzle solved by theorists

Researchers at the University of California, Santa Barbara, say they've figured out the cause of a problem that's made light-emitting diodes (LEDs) impractical for general lighting purposes. Their work will help engineers ...

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