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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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image: Contributors


By | April 1, 2015

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


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?


image: Bioethics Leader Dies

Bioethics Leader Dies

By | March 25, 2015

Philosopher John Arras, who tackled thorny issues in medical care, has passed away at age 69.

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image: Short, Strong Signals

Short, Strong Signals

By | March 25, 2015

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


image: Call for Germline Editing Moratorium

Call for Germline Editing Moratorium

By | March 13, 2015

In response to speculation that groups have edited the DNA of human embryos, researchers request that gene editing of human reproductive cells be halted.


image: Fertility Treatment Fallout

Fertility Treatment Fallout

By | January 1, 2015

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


image: NIH Study Canceled

NIH Study Canceled

By | December 15, 2014

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


image: Loaded Words

Loaded Words

By | December 1, 2014

As new technologies emerge, we must choose our words for them with care: names can negatively bias the inevitable debates over the ethics of scientific advances.


image: Mother’s Microbes Protect Baby’s Brain

Mother’s Microbes Protect Baby’s Brain

By | November 19, 2014

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



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