Human Stem Cell Research Guidelines Updated
Human Stem Cell Research Guidelines Updated
Removal of the 14-day limit for culturing human embryos is one of the main changes in the revised recommendations from the International Society for Stem Cell Research.
Human Stem Cell Research Guidelines Updated
Human Stem Cell Research Guidelines Updated

Removal of the 14-day limit for culturing human embryos is one of the main changes in the revised recommendations from the International Society for Stem Cell Research.

Removal of the 14-day limit for culturing human embryos is one of the main changes in the revised recommendations from the International Society for Stem Cell Research.

human embryos
Human Blastocyst-Like Structures Made in the Lab
Human Blastocyst-Like Structures Made in the Lab
Abby Olena | Mar 17, 2021
Two new papers describe the generation of so-called blastoids, which could avoid the use of embryonic cells and make studying early human development much more accessible.
CRISPR Gene Editing Prompts Chaos in DNA of Human Embryos
CRISPR Gene Editing Prompts Chaos in DNA of Human Embryos
Amanda Heidt | Jun 26, 2020
Three studies identify unintended consequences of gene editing in human embryos, including large deletions and reshuffling of DNA.
Genome Editing on Board
Genome Editing on Board
Bob Grant | Jan 1, 2019
2018 closed with hubbub surrounding the purported birth of babies whose genomes had been edited using CRISPR. What will 2019 hold for CRISPR’s use in humans?
Rice University Professor Helped Generate CRISPR’d Babies
Rice University Professor Helped Generate CRISPR’d Babies
Ashley P. Taylor | Nov 27, 2018
The college has opened an investigation into Michael Deem’s involvement.
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.
Infographic: How Embryos Take Control of Their Own Development
Infographic: How Embryos Take Control of Their Own Development
Jef Akst | Nov 30, 2017
The switch from maternal factors involves dynamic reprogramming of the zygotic genome.
Technique Adapted from CRISPR-Cas9 Corrects Mutation in Human Embryos
Technique Adapted from CRISPR-Cas9 Corrects Mutation in Human Embryos
Catherine Offord | Sep 28, 2017
Researchers use base-editing to swap out an erroneous nucleotide responsible for a potentially life-threatening blood disorder.
Scientists Doubt Results of CRISPR’d Embryos
Scientists Doubt Results of CRISPR’d Embryos
Aggie Mika | Aug 31, 2017
Six scientists question the authors’ conclusions about the DNA repair process that led to the human embryos’ correction of a defective gene.
Details Published on CRISPR-treated Embryos
Details Published on CRISPR-treated Embryos
Kerry Grens | Aug 2, 2017
Scientists correct a mutation in fertilized eggs that causes a severe cardiac disease.
Scientists Edit Viable Human Embryos in U.S.
Scientists Edit Viable Human Embryos in U.S.
Kerry Grens | Jul 27, 2017
The embryos, whose genes were altered by CRISPR, were not intended for implantation. 
Image of the Day: See-Through Embryos
Image of the Day: See-Through Embryos
The Scientist Staff | Mar 26, 2017
Scientists have created a high-resolution, 3-D atlas of human embryonic development during the first trimester of gestation.
TS Picks: September 26, 2016
TS Picks: September 26, 2016
Tracy Vence | Sep 27, 2016
World leaders agree to fight superbugs; researchers edit human embryos; peer reviewers’ motivations
Embryo Watch
Embryo Watch
Jef Akst | May 5, 2016
A new culture system allows researchers to track the development of human embryos in vitro for nearly two weeks.
Embryo Editing Gets Green Light in U.K.
Embryo Editing Gets Green Light in U.K.
Bob Grant | Feb 2, 2016
Researchers at the Francis Crick Institute in London will use CRISPR/Cas9 to modify genes in early human embryos.
Fiddling with Human Genes
Fiddling with Human Genes
Tracy Vence | Nov 30, 2015
A look at the technologies now helping researchers edit human genes and discussions of the controversy that has ensued.
Tide Shifting on Embryo Gene Editing?
Tide Shifting on Embryo Gene Editing?
Bob Grant | Sep 11, 2015
An international bioethics group says that research that involves editing genes in human embryos can be valuable, though it doesn’t approve of making “designer babies.”