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  1. Planetary Science

    Eyeing a Saturn storm

    The Cassini spacecraft recently captured an image of the most powerful storm ever seen on Saturn.

    By Ron Cowen

  2. Hunger for Knowledge: Appetite hormone may stimulate memory

    A hormone that's been tied to promoting hunger may also play a pivotal role in creating and retrieving memories, according to a new study in mice.

    By Christen Brownlee

  3. 19648

    So, researchers studying the effects of the hunger hormone ghrelin have found that hungry mice do better on tests of learning and memory. Four hundred years ago, William Shakespeare had Julius Caesar say, in Act I, Scene II, “Let me have men about me that are fat; Sleek-headed men and such as sleep o’ nights.