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  1. Animals

    Whale Haunt: Nursing, feeding spot found off south Chile

    A survey along the coast of southern Chile has turned up a previously undocumented blue whale hangout that seems to be a feeding ground.

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  2. Physics

    Topsy Turvy: In neutrons and protons, quarks take wrong turns

    Revved-up particles, namely quarks, spinning inside neutrons in the opposite direction to that of the neutrons themselves, challenge the prevailing model of how quarks behave.

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  3. Humans

    Letters

    Letters from the Jan. 3, 2004, issue of Science News.

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  4. Planetary Science

    Journey to Mars

    The rugged Mars Exploration Rover (MER) is scheduled to land on Mars on Jan.