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  • 29 Feb 2000

    The brain's olfactory bulb lets you savor the wafting odors of the cappuccino in the classroom next door. Researchers suspect that the bulb may also send a mental alert when your labmate brings back the newest caffeinated concoction from the coffee shop.

  • 18 Feb 2000

    Cellular suicide may play an important role in multiple sclerosis (MS), a new study has shown. By equipping mice with an enzyme that prevents this kind of suicide, researchers slowed an MS-like disease in the animals--a finding that may lead to a new generation of drugs for MS patients.