Uncategorized

  1. Smells Like Emotion: Brain splits duties to sniff out feelings

    A study suggests that a brain structure called the amygdala assesses the emotional intensity of both pleasant and unpleasant sensations, thus challenging prior evidence that it primarily coordinates fear responses.

    By Bruce Bower
  2. Animals

    One-Two Poison: Scorpion starts with a cheap shot

    A South African scorpion economizes as it stings, injecting a simple mix first, followed by a venom that's more complicated to produce.

    By Susan Milius

  3. 19208

    I wonder whether researchers offer any recommendations based on a difference in effect between ingesting vitamin A and beta-carotene. Do people who consume large amounts of yellow vegetables, for example, put themselves at risk? Mary A.