Climate chief warns of 'urgency' as CO2 levels rise

The UN's climate chief called for urgency Monday as she opened a new round of global talks amid warnings that Earth-warming carbon dioxide levels were approaching a symbolic threshold never seen in human history.

Windstream's phone service suffers major outage

(AP)—Windstream Communications is recovering from a major outage that knocked out long-distance telephone service and blocked toll-free calls to its business customers.

How Siri, Google Now respond to five questions

With Google's voice assistant now available on iPhones and iPads, The Associated Press used an iPad Mini to throw five test questions at Google Now and Siri on Monday afternoon in New York.

Apple prepares for first debt issue

Apple moved Monday toward its first-ever debt issue, filing documents describing plans for bond sales which would be used to pay dividends in an effort to stem its stock slide.

Silicone liquid crystal stiffens with repeated compression

(Phys.org) —Squeeze a piece of silicone and it quickly returns to its original shape, as squishy as ever. But scientists at Rice University have discovered that the liquid crystal phase of silicone becomes 90 percent stiffer ...

'Super-resolution' microscope possible for nanostructures

(Phys.org) —Researchers have found a way to see synthetic nanostructures and molecules using a new type of super-resolution optical microscopy that does not require fluorescent dyes, representing a practical tool for biomedical ...

Team discovers how a protein finds its way

(Phys.org) —Proteins, the workhorses of the body, can have more than one function, but they often need to be very specific in their action or they create cellular havoc, possibly leading to disease.

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