In the animal kingdom, the deadliest food is probably fugu, a puffer-fish-based sushi consumed primarily in Japan, where ...

Polonium 210 cannot be bought in the market and it is also almost impossible to detect if the investigation starts too late. The production of just 100 nanograms of the substance will require ...

Dr Thomas Kwan had built up a fund which would have been worth around £1m by the time of his retirement - he will lose it all ...

Police said the Southport killings were not acts of terrorism despite the teenager possessing the biological weapon and an al Qaida document.