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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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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

Contributors

By | April 1, 2015

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

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image: Leukemia Under the Lens, 1845

Leukemia Under the Lens, 1845

By | April 1, 2015

Alfred Donné’s microscopic daguerreotypes described the cellular symptoms of leukemia for the first time.

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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: 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: <em>Apiarium</em>, 1625

Apiarium, 1625

By | March 1, 2015

Galileo’s improvements to the microscope led to the first published observations using such an instrument.

3 Comments

image: Time-Lapse on the Cheap

Time-Lapse on the Cheap

By | February 1, 2015

A PhD student jury-rigs a microscopy system for high-throughput cell motility assays.

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image: Zooming In

Zooming In

By | January 20, 2015

To improve the reach of optical microscopy, researchers are enlarging the biological features they wish to view.

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