Why Do We Cry?
Other animals howl when they are in distress, but only humans weep tears of sorrow—or joy
The Violent Brain
Violent behavior never erupts from a single cause. Rather it appears to result from a complex web of related factors, some genetic and others environmental
The Madness of Migraine
One in every 10 Americans suffers from migraines. In recent years, doctors have discovered more about how these nasty headaches occur--and how to dull the pain
Juicing the Brain
Research to limit mental fatigue among soldiers may foster controversial ways to enhance any person's brain
It Takes Two to...
Even the most mundane tasks people perform together require them to coordinate their efforts. Recently researchers have started to ask exactly how we cooperate
Is the Teen Brain Too Rational?
With the decision-making areas of their brains still developing, teenagers show poor judgment in risky situations. Thinking less logically may be the answer
Not only schizophrenics experience auditory hallucinations. Many people who are not mentally ill sometimes hear claps, whistles, buzzing, voices or even music in their heads
Brain Scans Go Legal
Courts are beginning to allow brain images as evidence, but current technology is nowhere near trustworthy enough to determine or absolve guilt