Feds struggle to set limits on drugs in drinking water
A GAO report says federal regulators lack consensus on which pharmaceuticals pose health risks at trace levels. Regulators propose a new interagency workgroup as EPA weighs nine hormones, one antibiotic, and two other chemicals on a candidate list for possible regulation.
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Los Angeles
U.S
Government Accountability Office
GAO
Associated Press
U.S. Environmental Protection Agency
EPA
Game changer in evolution from South African bones
Two 1.95 million year old fossils from Malapa South Africa show a male child and adult female with traits of both apes and early humans. Scientists led by Lee R. Berger say Australopithecus sediba could be a likely ancestor to Homo, offering a snapshot of evolution toward modern humans.
MENTIONED IN THIS ARTICLE
Washington
South Africa
Lee R. Berger
University of Witwatersrand
Richard Potts
Smithsonian Institution
Science
Lucy
Malapa
Johannesberg
Berger
Matthew
A. Sediba
Kristian J. Carlson
Witwatersrand
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