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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: Studies Conflict on Regenerative Molecule

Studies Conflict on Regenerative Molecule

By | May 19, 2015

Previously shown to boost muscle growth in aged mice, a protein’s role in regeneration just got more complicated.

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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: 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: Opinion: Can the Brain Be Trained?

Opinion: Can the Brain Be Trained?

By | March 23, 2015

Online brain-training is gaining popularity, but so far little evidence exists to support claims of improved cognition.


image: Age-Old Questions

Age-Old Questions

By | March 1, 2015

How do we age, and can we slow it down?

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image: As the Brain Ages

As the Brain Ages

By | March 1, 2015

See human brains age in week-by-week time lapse images that divulge the existence of tiny strokes that damage white matter.



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