The Scientist

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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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Contributors

By | 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 | 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?

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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: Penis Transplant a Success

Penis Transplant a Success

By | March 16, 2015

Surgeons expect an organ donor’s penis given to a man who lost his in a botched circumcision to become fully functional.

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image: Inferior Sperm

Inferior Sperm

By | February 5, 2015

A study in an African bird species sheds light on age-related gamete decline.

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image: Missing Mouse Mojo

Missing Mouse Mojo

By | February 1, 2015

Cracking the case of laboratory mice that suddenly stopped reproducing involved a little chemical sleuthing

3 Comments

image: Unique Frog Breeding

Unique Frog Breeding

By | January 5, 2015

A newly described amphibian species engages in internal fertilizations and gives birth to tadpoles.

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image: Fertility Treatment Fallout

Fertility Treatment Fallout

By | January 1, 2015

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

7 Comments

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