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Life

New DNA technique gives names to the unknown dead

More DNA can be extracted from fragments of bone or tooth, so that badly damaged victims of war or shipwrecks can be identified

Physics

Mathematicians offer tip-offs to LAPD

Earth

Somali pirates hold science to ransom

Humans

The psychological tricks that scammers use

Unreliable evidence? Time to open up DNA databases

Technology

Robot border guards to patrol future frontiers

Technology

Deployment of airport full body scanners could be delayed

Technology

Innovation: The sinister powers of crowdsourcing

Humans

Brain scan reveals who will keep their promises

Life

Rise and fall of a dinosaur hunter

Nate Murphy made his name as a talented amateur palaeontologist. Then he found the law was getting in his way

Technology

Smart CCTV learns to spot suspicious types

Mind

The electronic fink that will squeal if you drink

Knox murder trial evidence ‘flawed’, say DNA experts

91色情片

Can you be blamed for sleepwalking crimes?