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    The Weekly Science Talk Radio Program

     With listeners in over 60 countries worldwide
    Monday, May 06, 2002
    Wired Mice...err Rats

    Not what you're thinking, though it does have a lot to do with computers. Scientists at the State University of New York Downstate Medical Center have wired the brains of rats hooking them into a computer. By stimulating rats brains electronically they effectively turned them into remote control rodents. Eventually these remote control rats could be used for various tasks such as search and rescue and land mine detection. Further more it represents some interesting advances in remote prothestics research. Basically the technology works like this: "For cues, the researchers sent electric signals to brain regions that process impulses from whiskers. For rewards, the researchers stimulated a pleasure center known as the medial forebrain bundle." Read more here.

    The Tiniest of the Tiny?

    Researchers in Germany have found the smallest known organism to date living on the backs of other small organisms deep under the ocean surface. These organisms have the shortest genome of all known genomes at only half a million base pairs. They have been named Nanoarchaeota, and are members of the Archaea bacteria group that contains some of the oldest known organisms. It is speculated that this Nanoarchaeota species might actually be the link between cells and earlier life forms. To read more click here.

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