The root system of a tree species is genetically different than the leaves of that individual, potentially modifying scientists’ understanding of evolution.
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Fossils from northern Kenya point to a new human species that lived in Africa nearly 2 million years ago.
Opponents of a new law requiring government researchers to publicly disclose personal financial information claim it is an invasion of privacy.
The head of a US infectious disease funding body urges researchers to continue the voluntary cessation of research on avian influenza.
Two whole genome duplications boosted the complexity of the ancestor of all vertebrates, but also introduced potential for disease.
Researchers breed fruit flies that, after 40 generations of conditioning, have acquired the ability to react to numbers.
Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.
A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.
A postdoctoral research fellow at Emory University falsifies stem cell research data.
The rate of evolution is affected for millenia after mass extinctions.
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