Double murderer Brad Sigmon, 67, became the first US death row inmate in 15 years to be executed by firing squad when he was ...

New Scientist's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of ...

Then Armistead was carried to a field hospital, where he died on 5 July. Although many observers have attempted to discredit or place sinister conotations on them, there seems no reason to doubt the ...