Patricia Cornwell is an award-winning novelist of forensic mysteries and police procedurals that focus on medical autopsies and investigations. Her novels are characterized by the graphic authenticity of their detail and their compelling psychological st...

// n. 1. (t) In the REST and in GB, a putative empty category left behind in a particular location by the movement of some element out of that position. The use of traces allows a tree to ‘remember’ earlier stages of a derivation, and...

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TRACE, or the 'Transition Region and Coronal Explorer' is a NASA space telescope designed to investigate the connections between fine-scale magnetic fields and the associated plasma structures on the Sun by providing high resolution images and...

Local police forces last year asked the ATF for help investigating whether an estimated 284,000 weapons were legally sold, officials said Monday.But Bureau of Alcohol, Tobacco, Firearms and Explosives acting Director Michael J. Sullivan said he's worried that fewer police departments will request assistance because...

Local police forces last year asked the ATF for help investigating whether an estimated 284,000 weapons were legally sold, officials said Monday.But Bureau of Alcohol, Tobacco, Firearms and Explosives Director Michael J. Sullivan said he's worried that fewer police departments will request assistance because of...

Traces of the rare radioactive substance polonium-210 were found at a German apartment visited by a contact of fatally poisoned ex-spy Alexander Litvinenko _ before the two men met in London, authorities said Sunday.The polonium traces were found on a couch where Russian businessman Dmitry...

Russian officials traced dead poultry in several suburban Moscow districts to a single market Sunday as experts reported new outbreaks and tightened quarantines following confirmation of the presence of the H5N1 bird flu strain.The presence of H5N1, confirmed by tests late Saturday, was the first...