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image: Dino Snouts from Chicken Beaks

Dino Snouts from Chicken Beaks

By Bob Grant | May 13, 2015

Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.

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image: Estimating Epigenetic Mutation Rates

Estimating Epigenetic Mutation Rates

By Jenny Rood | May 11, 2015

Generation-spanning maps of Arabidopsis thaliana DNA methylation allow researchers to compute how quickly epigenetic marks appear and disappear in the plant’s genome.

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image: The Rise of Heads

The Rise of Heads

By Bob Grant | May 11, 2015

A 500 million-year-old brain fossil yields clues to the evolution of heads.

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image: Oldest Ancestor of Modern Birds Found

Oldest Ancestor of Modern Birds Found

By Jenny Rood | May 6, 2015

Fossils of a new species discovered in China suggest birds developed 6 million years earlier than previously thought.

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image: Winged Dino Found?

Winged Dino Found?

By Bob Grant | May 1, 2015

Researchers describe a small species that may have soared through Jurassic skies on membranous wings like those of bats and flying squirrels.

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image: Similar Strokes

Similar Strokes

By Jenny Rood | April 29, 2015

Physics drove the convergent evolution of swimming in 22 unrelated marine species, a study suggests.

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image: How a Popular Probiotic Works

How a Popular Probiotic Works

By Kerry Grens | April 16, 2015

Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.

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image: Citrus History

Citrus History

By Jenny Rood | April 16, 2015

An analysis of 34 chloroplast genomes reveals how and when modern fruit varieties evolved from a common ancestor.

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image: Mother’s Genes Influence Baby’s Bacteria

Mother’s Genes Influence Baby’s Bacteria

By Jenny Rood | April 13, 2015

A breast milk-associated gene mutation impacts the establishment of a newborn’s gut microbiome, a study suggests.

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image: Behavior Brief

Behavior Brief

By Jenny Rood | April 8, 2015

A round-up of recent discoveries in behavior research

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