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image: Dino Snouts from Chicken Beaks

Dino Snouts from Chicken Beaks

By | 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 | 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 | 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 | 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: Prokaryotic Microbes with Eukaryote-like Genes Found

Prokaryotic Microbes with Eukaryote-like Genes Found

By | May 6, 2015

Deep-sea microbes possess hallmarks of eukaryotic cells, hinting at a common ancestor for archaea and eukaryotes.

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image: Duke Settles Negligence Suit

Duke Settles Negligence Suit

By | May 5, 2015

Participants in controversial cancer trials have “resolved and settled all claims against” Duke University and oncologist Anil Potti, who previously admitted to fraud, lawyer says.

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image: Winged Dino Found?

Winged Dino Found?

By | 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: Scanning for SIV’s Sanctuaries

Scanning for SIV’s Sanctuaries

By | May 1, 2015

Whole-body immunoPET scans of SIV-infected macaques reveal where the replicating virus hides.  

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image: Show Me Your Moves

Show Me Your Moves

By | May 1, 2015

Updated classics and new techniques help microbiologists get up close and quantitative.

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image: The Origins of O

The Origins of O

By | May 1, 2015

A strain of HIV that has afflicted more than 100,000 people emerged from gorillas.

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