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A newly discovered class of microbe could help to resolve one of the biggest and most controversial mysteries in evolution — how simple microbes transformed into the complex cells that produced animals, plants and fungi.
By examining regions shared between some of nature’s most variable genes, malaria researchers are piecing together an understanding of a deadly parasite.
Complex natural systems defy analysis using a standard mathematical toolkit, so one ecologist is throwing out the equations.
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.
Cellular clocks are almost everywhere. Clues to how they work are coming from the places they’re not.
A new understanding of viral swarms is helping researchers predict how viruses will evolve and where disease is likely to spread.
Emerging data suggests the seemingly impossible — that mysterious new genes arise from “junk” DNA.
Did the minerals on our planet arise in a predictable fashion, or did they result from chance events? The answers could eventually help scientists identify planets likely to harbor life.
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