More from Author

  • 11 Jun 1999

    Although Smokey the Bear signs in national forests and parks have warned the public for decades about the dangers of forest fires, the U.S. Forest Service regularly ignores the icon and sets controlled blazes as a means to prevent larger ones.

  • 8 Jun 1999

    Snails are not known for being fleet of foot, but they may hold at least one speed record.

  • 2 Jun 1999

    Orchids use a crafty blend of pheromones to lure pollen-laden male bees to their flowers, biologists report in tomorrow's Nature. The findings suggest that, like ad agencies the world over, plants have found that sex sells.

  • 24 May 1999

    A high-pressure solution can dramatically improve the delivery of therapeutic DNA into cells, without the need for carrier viruses.