03/06/2013

How computers can learn better

Reinforcement learning is a technique, common in computer science, in which a computer system learns how best to solve some problem through trial-and-error. Classic applications of reinforcement learning involve problems ...

Oil spill sullies river in Ecuador

A Petroecuador pipeline ruptured in Ecuador's Amazon basin region, spilling 10,000 barrels of crude into a river and alarming locals left without fresh well water, authorities said Monday.

World newspapers mull paywalls for survival

Global newspaper chiefs have some rare good news to share after years of slumping print sales and advertising revenues—readers appear increasingly willing to pay for online news.

Dense hydrogen in a new light

(Phys.org) —Hydrogen is the most abundant element in the universe. The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen-rich planets.

Online advertising in US rises 16 pct in 1Q

New figures show Internet advertising in the U.S. is still growing at a robust clip as marketers pursue the growing online audience and data analysis helps to target their pitches at people most likely to buy their products ...

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