After implantation, the tissue developed blood vessels and became integrated into neuronal networks in the animals’ brains.
With the deletion of a single gene, female Japanese rice fish can produce sperm.
With the deletion of a single gene, female Japanese rice fish can produce sperm.
Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.
A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.
Meet some of the people featured in the April 2015 issue of The Scientist.
Diverse mammals, including humans, have been found to carry distinct genomes in their cells. What does such genetic chimerism mean for health and disease?
Methylation increases both the activity and instability of the signaling protein Notch.
Mouse offspring conceived by in vitro fertilization are metabolically different from naturally conceived mice.
The National Institutes of Health shutters its initiative to track the health of 100,000 children through adulthood.
Bacteria in the gut of a pregnant mouse strengthen the blood-brain barrier of her developing fetus.
The right mix of mouse embryonic stem cells in a dish will start forming early embryonic patterns, according to two studies.