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  1. Ah, my pretty, you’re…#&! a beetle pile!

    Hundreds of tiny, young blister beetles cluster into lumps resembling female bees and hitchhike on the male bees that they seduce.

    By Susan Milius
  2. Tech

    Civilians get better GPS

    President Clinton directed the Defense Department to stop degrading signals from 24 Global Positioning System satellites, allowing civilians to receive the same location-pinpointing accuracy long available to the U.S. military.

    By Janet Raloff

  3. 19184

    In this article, I was surprised to read that chimeras harboring a mutation are not medically useful. Consider the value of cytokine-receptor mutations in humans, with respect to HIV. It’s likely that introducing some genetic mutations can inhibit viruses or bacteria in a host.