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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: 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.

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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: A Spider's Eye View

A Spider's Eye View

By | April 1, 2015

Cornell researchers probe the brains of jumping spiders to gain insight into the arachnid's visual processing capabilities.

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Contributors

By | April 1, 2015

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

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image: Through a Spider’s Eyes

Through a Spider’s Eyes

By | April 1, 2015

Deciphering how a jumping spider sees the world and processes visual information may yield insights into long-standing robotics problems.

2 Comments

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?

4 Comments

image: Female Brain Maintained by Methylation

Female Brain Maintained by Methylation

By | March 30, 2015

Development of female sexual behaviors requires DNA methylation in the preoptic area of the rodent brain. 

4 Comments

image: Short, Strong Signals

Short, Strong Signals

By | March 25, 2015

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

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image: Bigger Brains

Bigger Brains

By | February 20, 2015

Researchers identify a human DNA element that spurs neurogenesis and brain growth when placed in mice.

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