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Don't let internet companies hoard the wealth of big data

Personal information is worth something, as Twitter's huge valuation suggests. Perhaps we should rethink how freely we give our data away


World's largest cancer database launched

The online resource contains 1.7 billion experimental results relating to genes and clinical trials, highlighting promising targets for cancer-fighting drugs


Can a computer virus communicate via your speakers?

A cyber-security expert says that his "air-gapped" computers have exchanged malware through ultrasound. If he's right, we'd better watch out


Primeval planet: What if humans had never existed?Movie Camera

What was the planet like before Homo sapiens, and would it still be that way if we had never gone global? We rewind time, erase our ancestors, and hit play


When a rubber tongue becomes your ownMovie Camera

Imagine having your tongue cut off… All is not what it seems, discovers Sandrine Ceurstemont during a visit to the Experimental Food Society's exhibition


Sugary drinks tinker with vital proteins in the brain

Rats that drank sugary drinks rather than water showed changes to proteins in the brain – some of which are implicated in diseases such as Alzheimer's


Cosmic graffiti carved in space by stellar winds

The glowing gas cloud that spawned a litter of stars has been sculpted into amazing shapes by the powerful radiation from its offspring


Exercise in pregnancy boosts baby brain development

Babies born to women who exercised during pregnancy have more mature brains, suggesting that staying active may be good for all concerned


Air pollution blights London life

In almost half of London boroughs, the proportion of deaths from air pollution rose between 2010 and 2011, probably because of diesel-fuelled vehicles


Why string is one of the greatest inventions

The first string-maker was one of the greatest technological pioneers – and there's no end in sight for its modern twists


Unmask Wikipedia sock puppets by the way they write

Multiple accounts run by the same person is a problem plaguing Wikipedia, but software that analyses their writing style can sniff them out


Musical mind-reading can name that tune

Different brain cells respond to different musical notes, so patterns of brain activity can show what song you are listening to


How open data empowers citizens of poorer nations

From Ghana to India, citizens are using online open data to hold governments to account – with great success


All in the mind: hone movement skills just by thinking

Imagining playing the piano or running around can improve your manual dexterity. This could help people think their way back to health after a stroke


Get off the carbon train soon or the world is stuffed

Runaway warming beckons – if levels of carbon dioxide keep rising, the climate will become ever more sensitive to each extra tonne


Natural disasters don't have to be human disasters

We need to take more decisive action to move people out of harm's way before disaster strikes


Hacked Google Glass recognises finger gestures

Strap a camera to your wrist and start typing in mid-air – it's just one of the projects creating a gestural interface for the Google Glass


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