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ACM programming team
Cornell teams placed first, fifth and 18th out of 51 teams at the 2009 Association for Computing Machinery (ACM) Greater New York regional programming contest, Oct. 18 at Hofstra University in Hempstead, N.Y. The first-place team will compete in the ACM International Collegiate Programming Contest at Harbin Engineering University in Harbin, China, Feb. 1-6, 2010. This will be the fourth year in a row that Cornell has been represented at the international competition.
Brittany Jaso Using high-tech headbands, Psych 101 students sleep for science
More than 300 students in Psychology 101 are taking part in the largest-ever objective study of the sleep patterns of individual college students.

dual rings Scientists find that small optical force can budge nanoscale objects
Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.

male club-winged manakin South American bird woos mate with resonating feathers, researchers find
Scientists explain a striking example of a species modifying an essential body part for the purpose of attracting a mate.

beetle CU releases hemlock pest's natural predator to mitigate infestation
Researchers released a well-studied beetle predator to test its ability to ward off a hemlock-killing, aphidlike insect on the Cornell Plantations.
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