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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: Viral Protector

Viral Protector

By Jef Akst | 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 Jenny Rood | 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 Elena E. Giorgi | 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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image: Short, Strong Signals

Short, Strong Signals

By Ruth Williams | March 25, 2015

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

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Fertility Treatment Fallout

By Jyoti Madhusoodanan | January 1, 2015

Mouse offspring conceived by in vitro fertilization are metabolically different from naturally conceived mice.

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image: NIH Study Canceled

NIH Study Canceled

By Jef Akst | December 15, 2014

The National Institutes of Health shutters its initiative to track the health of 100,000 children through adulthood.

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image: Mother’s Microbes Protect Baby’s Brain

Mother’s Microbes Protect Baby’s Brain

By Ruth Williams | November 19, 2014

Bacteria in the gut of a pregnant mouse strengthen the blood-brain barrier of her developing fetus.

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image: Stems Cells Ushered into Embryonic Development

Stems Cells Ushered into Embryonic Development

By Kerry Grens | November 7, 2014

The right mix of mouse embryonic stem cells in a dish will start forming early embryonic patterns, according to two studies.

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image: Speaking of Vision Science

Speaking of Vision Science

By The Scientist Staff | October 1, 2014

October 2014's selection of notable quotes

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