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Genetically engineered commensal bacteria help researchers detect cancer metastases in mouse livers.


image: Human Genes Can Save Yeast

Human Genes Can Save Yeast

By | May 21, 2015

Replacing yeast genes with their human equivalents reveals functional conservation despite a billion years of divergent evolution.


image: CRISPR “Kill Switches” for GMOs

CRISPR “Kill Switches” for GMOs

By | May 21, 2015

Researchers create an inducible method to remove specific genes and even kill escaped genetically modified organisms.

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image: Yeast–Made Opioid Progresses

Yeast–Made Opioid Progresses

By | May 19, 2015

Scientists are one step closer to coaxing engineered yeast to produce morphine from a simple sugar.

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image: Fish Make Their Own Sun Protection

Fish Make Their Own Sun Protection

By | May 14, 2015

Zebrafish and other vertebrates have the enzymatic machinery to synthesize gadusol, an ultraviolet light-absorbing compound.


image: The Evolution of Social Bees

The Evolution of Social Bees

By | May 14, 2015

Scientists describe the genetic changes associated with solitary-to-social transitions throughout bee evolution.


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.


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.


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.


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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