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The science of airport bomb detection

As the holidays draw near, many of us will hop on a plane to visit friends and family – or just get away from it all. Some will be subjected to a swab at the airport to test clothes and baggage for explosives. ...

Dec 10, 2014
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Team proposes new model for snake venom evolution

Technology that can map out the genes at work in a snake or lizard's mouth has, in many cases, changed the way scientists define an animal as venomous. If oral glands show expression of some of the 20 gene ...

Dec 08, 2014
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List of search results for bear family