Uncategorized

  1. Faulty Memory: Long-term immunity isn’t always beneficial

    Quickly losing immune-system defenses against some viruses may protect humans from far nastier bugs, a mathematical model suggests.

    By Erica Klarreich
  2. Planetary Science

    Galileo’s Demise: A planetary plunge, by Jove

    Out of fuel and according to plan, the Galileo spacecraft ended an 8-year tour of Jupiter and its moons on Sept. 21, when it dove into the planet’s dense atmosphere.

    By Ron Cowen
  3. Ecosystems

    Killer Consequences: Has whaling driven orcas to a diet of sea lions?

    Killer whales may have been responsible for steep declines in seal, sea lion, and otter populations after whaling wiped out the great whales that killer whales had been eating.