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Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

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Sangamo Therapeutics will use zinc finger nucleases to introduce the gene for a missing clotting factor into the livers of men with hemophilia B.

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A small Phase 1 clinical trial reports that, even at high doses, the treatment did not lead to adverse reactions.

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image: Image of the Day: Missing Pieces

Image of the Day: Missing Pieces

By | May 12, 2017

Researchers made a 3-D reconstruction of one of neurobiology's most famous brains—that of Henry Gustav Molaison (HM).

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image: Quick and Cheap Zika Detection

Quick and Cheap Zika Detection

By | May 3, 2017

A heat block, a truck battery, and a novel RNA amplification assay make for in-the-field surveillance of the virus.

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image: More Details on How Pesticides Harm Bees

More Details on How Pesticides Harm Bees

By | May 3, 2017

Scientists report that thiamethoxam exposure impairs bumblebees’ reproduction and honey bees’ ability to fly.

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Scientists shut down cancer-causing fusion genes with CRISPR.

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image: Computers That Can Smell

Computers That Can Smell

By | May 1, 2017

Teams of modelers compete to develop algorithms for estimating how people will perceive a particular odor from its molecular characteristics.

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image: Contributors

Contributors

By | May 1, 2017

Meet some of the people featured in the May 2017 issue of The Scientist.

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image: Glia Guru

Glia Guru

By | May 1, 2017

Ben Barres recast glial cells from supporting actors to star performers, crucial for synaptic plasticity in the brain and for preventing neurodegenerative disorders.

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