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Biology

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.

geophysics

How Life and Luck Changed Earth’s Minerals

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.

Biology

At Tiny Scales, a Giant Burst on Tree of Life

A new technique for finding and characterizing microbes has boosted the number of known bacteria by almost 50 percent, revealing a hidden world all around us.

Biology

New Letters Added to the Genetic Alphabet

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

Q&A

Decoding the Remarkable Algorithms of Ants

The biologist Deborah Gordon has uncovered how ant colonies search efficiently without central organization, an insight that might improve computer networks.

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.

microbes

Below Our Feet, a World of Hidden Life

The soil teems with billions of hidden microbes. Researchers have begun to catalog how these organisms are changing the world.

evolution

How Dinosaurs Shrank and Became Birds

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