Dogs can smell when we're stressed, study suggests

The physiological processes associated with an acute psychological stress response produce changes in human breath and sweat that dogs can detect with an accuracy of 93.75%, according to a new study published this week in ...

New tool to accelerate drug discovery

Inside your body on the surface of cell membranes, a metaphorical communication and traffic network is underway as hormones—or chemical messengers—bind to cell membrane receptors to fine tune how the cell behaves. Once ...

Flipping the 'off' switch on cell growth

A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery ...

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