Uncovering secrets from beyond the grave

The tools of his trade range from earthmovers and shovels to the finest brushes, surgical tweezers and dentists' mirrors -- and his job is to uncover secrets from beyond the grave.

Smart materials: Fused liquid marbles show their strength

'Liquid marbles' are a peculiar new substance made by rolling water droplets into powders incapable of dissolving in water. The resulting micro- and nanoscale-particles act like soft solids, and can speed along surfaces without ...

Footwear forensics: CSI needs to tread carefully

A new computer algorithm can analyze the footwear marks left at a crime scene according to clusters of footwear types, makes and tread patterns even if the imprint recorded by crime scene investigators is distorted or only ...

How science digs up the royal dirt

The identification of King Richard III's skeleton is the latest coup by forensic scientists who use radiocarbon-dating, DNA analysis, 3D scanning and other hi-tech tools to unlock the secrets of the long-dead.

DNA-evidence needs statistical back-up

DNA-evidence is often believed to be a damning evidence, which leaves no space for uncertainty. In reality it is very difficult to say to what degree some piece of evidence can support a case against a crime suspect. That's ...

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