The Elixir of youth | Notes from Planet Earth



  • An unusual fly | Notes from Planet Earth

    Flies are different from many other insects in having only two wings, and they have been generally despised by humans both because of their attraction to dead flesh and because of the knowledge that some may be carriers of disease. more »

  • Gazing at your dog | Notes from Planet Earth

    In a previous column I wrote about some research with a very small worm, Caenorhabditis elegans, which has proven extremely valuable in helping us discover some of the intricacies in the development and physiology of higher organisms. more »

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