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genetics

Biology

Networks Untangle Malaria’s Deadly Shuffle

By examining regions shared between some of nature’s most variable genes, malaria researchers are piecing together an understanding of a deadly parasite.

Biology

The Mutant Genes Behind the Black Death

Only a few genetic changes were enough to change an ordinary stomach bug into the bacteria responsible for the plague.

Q&A

An Explorer of Life’s Deepest Partnerships

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.

Biology

How the Body’s Trillions of Clocks Keep Time

Cellular clocks are almost everywhere. Clues to how they work are coming from the places they’re not.

Biology

How Mutant Viral Swarms Spread Disease

A new understanding of viral swarms is helping researchers predict how viruses will evolve and where disease is likely to spread.

Biology

A Surprise Source of Life’s Code

Emerging data suggests the seemingly impossible — that mysterious new genes arise from “junk” DNA.

Biology

New Letters Added to the Genetic Alphabet

Scientists hope that new genetic letters, created in the lab, will endow DNA with new powers.

evolution

Biologists Invoke the Past in Modern Bacteria

By swapping ancient genes into modern E. coli, scientists hope to tease out the rules of evolution.

evolution

How Dinosaurs Shrank and Became Birds

Modern birds emerged in a snap of evolutionary time through a series of simple genetic changes.