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How interbreeding among early hominins harmed humans but may have slowed the Neanderthals’ decline.
Neanderthals and Denisovans may have endowed modern humans with genetic variants that helped them thrive in new environments.
A new study reveals that individual genes can create many different versions of the molecular machinery that powers the cell.
Coils and twirls in DNA’s double-helix change how the molecule behaves, opening a new role for topology in the study of life.
Scientists have begun to identify the symphony of biological triggers that powered the extraordinary expansion of the human brain.
A single genetic change and some clever geometry show how single-celled organisms can band together to form cooperative multicellular entities.
By examining regions shared between some of nature’s most variable genes, malaria researchers are piecing together an understanding of a deadly parasite.
Only a few genetic changes were enough to change an ordinary stomach bug into the bacteria responsible for the plague.
The biologist Nancy Moran has spent a career investigating the surprising nature of symbiosis, a phenomenon in which two species can appear to merge into one.
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