Most Recent

image: Rethinking Lymphatic Development

Rethinking Lymphatic Development

By | August 1, 2015

Four studies identify alternative origins for cells of the developing lymphatic system, challenging the long-standing view that they all come from veins.

1 Comment

image: The Prescient Placenta

The Prescient Placenta

By | August 1, 2015

The maternal-fetal interface plays important roles in the health of both mother and baby, even after birth.

1 Comment

image: Breaking Down Barriers

Breaking Down Barriers

By | July 1, 2015

Finding and recruiting diverse populations for clinical studies


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. 

1 Comment

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.

1 Comment

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: Fertility Treatment Fallout

Fertility Treatment Fallout

By | January 1, 2015

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



Popular Now

  1. Sex Differences in the Brain
    Features Sex Differences in the Brain

    How male and female brains diverge is a hotly debated topic, but the study of model organisms points to differences that cannot be ignored.

  2. Brain Gain
    Features Brain Gain

    Young neurons in the adult human brain are likely critical to its function.

  3. Riboswitch Flip Kills Bacteria
  4. “Genius” Grants Given
Life Technologies