Is there an angel or a devil behind the mask? Scientists say it may not matter in terms of anonymous behavior. Joel Saget/AFP/Getty Images hide caption

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The Psychological Damage From Superstorm Sandy

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Plunging Into the Science of BASE Jumping

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Scared To Death... Literally

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Kids As Caregivers Face Special Challenges

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Psychiatrists Shift Focus To Drugs, Not Talk Therapy

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Treatment For Alzheimer's Should Start Years Before Disease Sets In

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Courtesy of Basic Books

In Constant Digital Contact, We Feel 'Alone Together'

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Enter an Optical Illusion

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Bringing People Back From The Brink Of Suicide

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What Your Genes Can Tell You About Your Memory

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A rat neuron before (top) and after (bottom) ketamine treatment. The increased number of orange nodes are restored connections in the rat's brain. Ronald Duman/Yale University hide caption

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Ketamine Relieves Depression By Restoring Brain Connections

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