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image: Circadian Clock Transplant

Circadian Clock Transplant

By | June 12, 2015

Scientists establish a functional circadian rhythm in bacteria that don’t possess one naturally.

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Sperm From Ovaries

By | June 11, 2015

With the deletion of a single gene, female Japanese rice fish can produce sperm. 

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image: Alternate Pathways Yield New Antibiotics

Alternate Pathways Yield New Antibiotics

By | May 29, 2015

Scientists tinker with biosynthetic pathways to make versions of a common antibiotic that stunt drug-resistant bacteria.

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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: Viral Protector

Viral Protector

By | April 21, 2015

A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.

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Contributors

By | April 1, 2015

Meet some of the people featured in the April 2015 issue of The Scientist.

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image: From Many, One

From Many, One

By | April 1, 2015

Diverse mammals, including humans, have been found to carry distinct genomes in their cells. What does such genetic chimerism mean for health and disease?

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Short, Strong Signals

By | March 25, 2015

Methylation increases both the activity and instability of the signaling protein Notch.

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image: Quorum-Sensing Molecule Modifies Gut Microbiota

Quorum-Sensing Molecule Modifies Gut Microbiota

By | March 19, 2015

Increasing the abundance of a chemical some microbes use to communicate with one another can help reinstate beneficial bacterial populations in the guts of antibiotic-treated mice. 

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image: Spinning Recombinant Spider Silk

Spinning Recombinant Spider Silk

By | March 6, 2015

Scientists engineer E. coli to produce artificial spider silk.

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