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Of lice and men (and chimps): Study tracks pace of molecular evolution

January 7, 2014

Pediculus humanus, left, the human head louse A new study compares the relative rate of molecular evolution between humans and chimps with that of their lice. Researchers wanted to know whether evolution marches on at a steady pace in all creatures or if subtle changes in genes--substitutions of individual letters of the genetic code--occur more rapidly in some groups than in others. Full Story

University of Illinois at Urbana-Champaign

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2016, its budget is $7.5 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 48,000 competitive proposals for funding and makes about 12,000 new funding awards. NSF also awards about $626 million in professional and service contracts yearly.

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