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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.

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.

Humans

Letters

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

Planetary Science

Journey to Mars

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