Evolutionary Trends From Bacteria to Birds

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Science  18 Aug 2000:
Vol. 289, Issue 5482, pp. 1131-1133
DOI: 10.1126/science.289.5482.1131

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BLOOMINGTON, INDIANA-- Talks at Evolution 2000, held here in late June, covered the gamut of evolutionary biology, from life history changes in bacteria to the origins of modern bird diversity. Researchers reported on senescence in single-celled organisms and an origin for modern birds that is both farther back in time and farther south than generally believed.