Stress

Great apes who display the sense of curiosity and playfulness generally associated with extroverts generally outlive their shyer counterparts

An AR-15 assault rifle containing just one 3D printed part broke during resilience tests, impeding any early plans to build a working gun made entirely of printed material

New evidence that men are more likely to cooperate in difficult circumstances

Larry Young and Brian Alexander explain how heartache begins in the brain in The Chemistry between Us

As another disturbing week in U.S. news draws to a close, join us for a live online chat with Maria Konnikova, a Scientific American blogger and Ph.D. candidate in psychology at Columbia University, who will apply Sherlock Holmes-ian logic to our mental messes

Ask yourself this set of simple questions every few weeks to help gauge how much damaging stress you are experiencing

The brain uses a fundamentally different circuit for paying attention to the internal world, and this could have important implications for stress and mental illness.

New research shows that the antidepressant reduces fear in adult mice by increasing brain plasticity

City dwellers may handle pressure differently from those who live in less populated areas

In the wake of the meltdown at Fukushima Daiichi, the IAEA urged a critical review of nuclear safety systems

Supplies of the staple food grain are tight--and may get tighter

A life of tension may hasten the onset of Alzheimer's