How people with psychopathic traits control their 'dark impulses'

How do people with psychopathic traits control their 'dark impulses?' A team of researchers are finding answers in levels of gray matter density in the ventrolateral prefrontal cortex, a region of the brain involved in the regulation of emotions, including fear and anger.

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Handheld device to diagnose skin cancer

Using shortwave rays installed in cellphones and airport security scanners, researchers have developed a technique that detects skin lesions and determines whether they are cancerous or benign — a technology that could ultimately be incorporated into a handheld device that could rapidly diagnose skin cancer without a scalpel in sight.

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