Residue Samples News Today

A protein analysis has unlocked the tastes of deer, bovine, and more, that once simmered in ancient Bronze Age cauldrons, from 3520-3350 BC in the Caucasus region.

Bombing investigation. explosive residue was found at the apartment of tamerlan tsarnaev and his wife katherine. residue samples tested positive in at least three areas of the home. the kitchen sink, the kitchen table and the bathtub. deborah feyerick is in boston for us. whats the significance of this find? a lot of evidence on explosives. >> reporter: what it does is it simply substantiates what we have been told by a law enforcement source that they believe the bombs were built in the home. a...