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genetics

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

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

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

A Surprise Source of Life’s Code

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

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

New Letters Added to the Genetic Alphabet

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

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

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

How Dinosaurs Shrank and Became Birds

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

In the few decades since viruses were first found in the oceans, scientists have only been able to identify a handful of species. A new survey has uncovered nearly all the rest.
Biology

Scientists Map 5,000 New Ocean Viruses

In the few decades since viruses were first found in the oceans, scientists have only been able to identify a handful of species. A new survey has uncovered nearly all the rest.

Genetically identical animals raised under similar conditions can make very different choices. These distinctions are helping researchers map the biological basis of individuality.
Biology

Animal Copies Reveal Roots of Individuality

Genetically identical animals raised under similar conditions can make very different choices. These distinctions are helping researchers map the biological basis of individuality.

The largest evolutionary tree ever compiled leads researchers to conclude that chance mutation — not natural selection — drives the development of new species.
evolution

A Surprise for Evolution in Giant Tree of Life

The largest evolutionary tree ever compiled leads researchers to conclude that chance mutation — not natural selection — drives the development of new species.