Brazil looks to break from US-centric Internet (Update 2)

Brazil plans to divorce itself from the U.S.-centric Internet over Washington's widespread online spying, a move that many experts fear will be a potentially dangerous first step toward fracturing a global network built with ...

Scientists discover how mitochondria import antioxidants

Many of the processes that keep us alive also put us at risk. The energy-producing chemical reactions in our cells, for example, also produce free radicals—unstable molecules that steal electrons from other molecules. When ...

Cell membranes: Synthetics save time and cut costs

Screening for critical drug targets known as G-protein-coupled receptors (GPCRs) is now possible without the need to extract these proteins from their native cells. Extraction requires the use of stabilizing lipids, which ...

Showdown set on bid to give UN control of Internet

It is expected to be the mother of all cyber diplomatic battles. When delegates gather in Dubai in December for an obscure UN agency meeting, fighting is expected to be intense over proposals to rewrite global telecom rules ...

Twitter co-founder launches new venture: Square

Square, a new venture from a co-founder of Twitter, launched Tuesday with a free application that allows anyone to accept credit card payments on a mobile device.

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