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image: Rethinking Lymphatic Development

Rethinking Lymphatic Development

By Amanda B. Keener | August 1, 2015

Four studies identify alternative origins for cells of the developing lymphatic system, challenging the long-standing view that they all come from veins.

1 Comment

image: The Prescient Placenta

The Prescient Placenta

By Christopher Coe | August 1, 2015

The maternal-fetal interface plays important roles in the health of both mother and baby, even after birth.

1 Comment

image: Sperm From Ovaries

Sperm From Ovaries

By Anna Azvolinsky | June 11, 2015

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

1 Comment

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.

1 Comment

image: Contributors

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?

4 Comments

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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image: Fertility Treatment Fallout

Fertility Treatment Fallout

By Jyoti Madhusoodanan | January 1, 2015

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

7 Comments

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.

3 Comments

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