The UK's only polar bear in a public zoo is to be joined by another bear and a new tiger is also due at the Highland Wildlife Park.

British soldiers' uniforms could soon use conductive yarn woven directly into clothing to replace cumbersome batteries and cables.

Susceptibility to post-traumatic stress disorder (PTSD) appears to be partially determined by genetics, a study suggests.

A US bioethics panel approves the publication of two controversial H5N1 bird-flu studies, after they were revised to take out sensitive data.

Surgeons at Manchester Royal Infirmary claim to be the first to use 3D technology during an operation.