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Mapping class groups and homeomorphism groups are symmetry groups of surfaces and all manifolds. They are usually very rigid, in the sense that their automorphism groups only consist of conjugation. I...
For over a decade, researchers have known that the roundworm Caenorhabditis elegans can detect and avoid short-wavelength light, despite lacking eyes and the light-absorbing molecules required for sig...
Aheart surgeon doesn’t need to grasp quantum mechanics to perform successful operations. Even chemists don’t always need to know these fundamental principles to study chemical reactions. But the worki...
29 March 2007,ST. LOUIS, Mo.—As K-12 teachers prepare to help students meet new science-learning requirements this fall, two of the world's largest science and science education organizations today jo...

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