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Newly discovered specimens support a more ancient origin for viruses, perhaps all the way back to the origins of life.
An insight borrowed from computer science suggests that evolution values both fitness and diversity.
A new theory suggests that cooperation between a host and its microbes may be a significant evolutionary force.
Is the random noise inside a cell a nuisance, or have cells evolved ways to put it to work?
By comparing the genomes of social and solitary bees, scientists hope to uncover the basis for communal behavior.
Evidence from Southwestern deserts suggests that oxygen-breathing organisms arose on land rather than in the seas.
Knowing the rules behind ant-made structures could help scientists understand how other complex systems emerge in nature.
Support is growing for a decades-old physics idea suggesting that localized episodes of disordered brain activity help keep the overall system in healthy balance.
A large new study of ovenbird lineages questions the extent to which competing species push each other to evolve.
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