This is a preview. Log in through your library . Abstract Six populations of Drosophila melanogaster have been kept at extreme population densities, three high and three low, for 175 generations.
Adaptation by natural selection is thought to drive evolution. Although it has been difficult to confirm this process in the fossil record, evidence has been there all along: we just haven't been ...
SAN ANTONIO--(BUSINESS WIRE)--For those who suffer from balance disorders and loss of mobility, promising results from a new stabilizing device may help to reestablish mobility, confidence and ...
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