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image: Bone Marrow Makes New Fat Cells

Bone Marrow Makes New Fat Cells

By | July 16, 2015

The origins of adipocytes have been hotly debated, but a human study supports the idea that the bone marrow takes part. 


image: Sperm From Ovaries

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: The Dark Side of Light

The Dark Side of Light

By | May 14, 2015

Artificially extended days cause mice to gain fat and alter the function of their brown fat, a study shows.

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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.


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: Fat Injection Slims Obese Mice

Fat Injection Slims Obese Mice

By | April 7, 2015

Transplanting energy-burning brown fat can prevent excess weight gain in a mouse model of obesity.


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: Short, Strong Signals

Short, Strong Signals

By | March 25, 2015

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


image: Drug Stimulates Brown Fat

Drug Stimulates Brown Fat

By | January 28, 2015

A small study finds that an approved medication increases metabolic rate and the activity of thermogenic brown fat in men.


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