Features

• 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

  Felicitas Witte   | December 1, 2006  |

• Juicing the Brain

  Research to limit mental fatigue among soldiers may foster controversial ways to enhance any person's brain

  Jonathan D. Moreno   | December 1, 2006  |

• Why Do We Cry?

  Other animals howl when they are in distress, but only humans weep tears of sorrow--or joy

  Chip Walter   | December 1, 2006  | 1

• 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

  Daniel Strueber, Monika Lueck and Gerhard Roth   | December 1, 2006  | 1

• 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

  Valerie F. Reyna and Frank Farley   | December 1, 2006  |

• 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

  Scott T. Grafton, Walter P. Sinnott-Armstrong, Suzanne I. Gazzaniga and Michael S. Gazzaniga   | December 1, 2006  |

• Hearing Voices

  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

  Bettina Thraenhardt   | December 1, 2006  |

• 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

  Natalie Sebanz   | December 1, 2006  |