Computer forecasting matched rises, ebbs in Afghanistan violence

In August 2010, shortly after WikiLeaks released tens of thousands of classified documents that cataloged the harsh realities of the war in Afghanistan, a group of friends - all computer experts - gathered at the New York ...

Guided growth of nanowires leads to self-integrated circuits

Researchers working with tiny components in nanoelectronics face a challenge similar to that of parents of small children: teaching them to manage on their own. The nano-components are so small that arranging them with external ...

Oxygen's ups and downs in the early atmosphere and ocean

Most researchers imagine the initial oxygenation of the ocean and atmosphere to have been something like a staircase, but with steps only going up. The first step, so the story goes, occurred around 2.4 billion years ago, ...

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