05/09/2013

Closing the water cycle

Combining advanced wastewater treatment technologies may enable industrial companies to use water in a more sustainable way. But the approaches are mainly suited for high-income countries.

Tackling an Ice Age mystery

In the northern hemisphere, ice sheets ebb and flow in 100,000-year cycles, driven by varying amounts of sunlight falling on Earth's surface as its orbit and orientation toward the sun changes. But astronomical variations ...

Brown algae reveal antioxidant production secrets

Brown algae contain phlorotannins, aromatic (phenolic) compounds that are unique in the plant kingdom. As natural antioxidants, phlorotannins are of great interest for the treament and prevention of cancer and inflammatory, ...

Computer-designed proteins recognize and bind small molecules

Computer-designed proteins that can recognize and interact with small biological molecules are now a reality. Scientists have succeeded in creating a protein molecule that can be programmed to unite with three different steroids.

Study examines viral reach of hashtags on Facebook

(Phys.org) —Facebook analysts EdgeRank Checker have performed analysis of over 35,000 posts to discover the level of viral impact of Facebook's hashtags, The discovery is, well, zero. "We decided to dig into the data to ...

Google argues for right to continue scanning Gmail (Update 2)

Google's attorneys say their long-running practice of electronically scanning the contents of people's Gmail accounts to help sell ads is legal, and have asked a federal judge to dismiss a lawsuit that seeks to stop the practice.

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