Artificial Mouse Embryo Made in a Laboratory
Artificial Mouse Embryo Made in a Laboratory
The embryo, grown in a dish from several types of stem cells, went through gastrulation, a significant stage in development.
Artificial Mouse Embryo Made in a Laboratory
Artificial Mouse Embryo Made in a Laboratory

The embryo, grown in a dish from several types of stem cells, went through gastrulation, a significant stage in development.

The embryo, grown in a dish from several types of stem cells, went through gastrulation, a significant stage in development.

embryo
These Molecules Zipper Embryos Closed
These Molecules Zipper Embryos Closed
Ashley Yeager | Aug 1, 2018
Actin rings seal off the ball of cells, aiding in implantation in the uterus. But faults in the process could explain why some pregnancies fail.
Infographic: Embryonic Zippering
Infographic: Embryonic Zippering
Ashley Yeager | Aug 1, 2018
How actin seals embryos early in development
Bioethics Council: Gene-Editing Human Embryos Conditionally OK
Bioethics Council: Gene-Editing Human Embryos Conditionally OK
Shawna Williams | Jul 17, 2018
The UK-based organization encourages public debate about the issue but does not recommend immediate policy change.
Animals’ Embryonic Organizer Now Discovered in Human Cells
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Image of the Day: <em>Xenopus</em> Pigment
Image of the Day: Xenopus Pigment
The Scientist Staff | May 18, 2018
Researchers recently used CRISPR single-guide RNAs to alter genes involved in pigmentation in frog embryos.
Studies Show How Cells Differentiate at Life’s Beginning
Studies Show How Cells Differentiate at Life’s Beginning
Shawna Williams | Apr 27, 2018
A trio of papers provide new insight into embryo development.
Eat Yourself to Live: Autophagy’s Role in Health and Disease
Eat Yourself to Live: Autophagy’s Role in Health and Disease
Vikramjit Lahiri and Daniel J. Klionsky | Mar 1, 2018
New details of the molecular process by which our cells consume themselves point to therapeutic potential.
Monkeys Cloned by Dolly-the-Sheep Technology
Monkeys Cloned by Dolly-the-Sheep Technology
Catherine Offord | Jan 25, 2018
The approach, which has never before been successfully attempted in primates, could lead to improved animal models for human biology and disease.
New Techniques Detail Embryos’ First Hours and Days
New Techniques Detail Embryos’ First Hours and Days
Jef Akst | Dec 1, 2017
New technologies reveal the dynamic changes in mouse and human embryos during the first week after fertilization.