Wednesday, January 30, 2013

Today on New Scientist: 28 January 2013

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Retreating rebels burn Timbuktu's science manuscripts

As the French and Malian armies recapture Timbuktu, Islamist rebels have set fire to texts that document when science began in Africa

Quantum theory of smell causes a new stink

An experiment showing humans might rely on quantum mechanics to distinguish between odours has reopened a smelly debate

Davos: Persuading big business to act on climate change

A new report argues that private-sector investment could limit rise in temperature ? as long as governments can encourage businesses to step up

Gas flares from Bakken fracking are visible from space

A shining cluster of light in this satellite image of the US from space isn't a city - it's the glow from hundreds of flares from rigs in North Dakota

First video reveals working tractor beam in action

Watch a light beam pull tiny objects using a new technique that attracts certain arrangements of particles

Human brain model and graphene win science's X Factor

Quests to build a supercomputer simulation of the human brain and unlock graphene's potential have each won a potential ?1 billion in research funding

Interactive nails give you a screen at your fingertips

Forget colourful nail varnish, one day your fingernails could be used to display touchscreen content from your smartphone instead

Stellar performances finally gain the limelight

In Heart of Darkness, Jeremiah P. Ostriker and Simon Mitton add new stars to the constellation of astronomy to tell the subject's full history

Is Obama about to blow his climate credentials?

The US president could be poised to approve the doubling of imports of tar sands oil, one of the filthiest fuels on Earth, says Fred Pearce

DNA privacy: don't flatter yourself

The secrets contained in our individual genomes are less valuable than we like to believe

Weird high-energy flare made by spitting black hole

One of the most detailed looks yet at a gamma-ray burst from an active galaxy hints that a knot of high-speed plasma was the likely trigger

Get cirrus in the fight against climate change

Feathery cirrus clouds trap a lot of heat and help warm the planet. Getting rid of them could counteract human-caused climate change ? in theory

Your molar roots are leftovers from Homo erectus

Our teeth erupt later than they did in our early ancestors, but not so the roots of our molars: they develop as they did in Homo erectus

Bandwidth-sharing app brings connectivity to all

AirMobs lets you use your neighbour's mobile internet connection?- or share your own?- regardless of carrier or location

Lingering kiss: DNA persists in the mouth after smooch

A kiss is not just a kiss - it's bacteria, mucus and DNA. And with the discovery that the DNA persists in the mouth for at least an hour, it could be used to identify sex offenders

The digital map is not the territory

The latest maps offer a rich and vivid way of navigating the world, but we must not expect a perfect representation of reality

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