Fertility Clinics Sought Advice from Scientist Who CRISPRed Babies
Fertility Clinics Sought Advice from Scientist Who CRISPRed Babies
Emails reveal that a facility in Dubai and others have asked geneticist He Jiankui for help in gene-editing embryos.
Fertility Clinics Sought Advice from Scientist Who CRISPRed Babies
Fertility Clinics Sought Advice from Scientist Who CRISPRed Babies

Emails reveal that a facility in Dubai and others have asked geneticist He Jiankui for help in gene-editing embryos.

Emails reveal that a facility in Dubai and others have asked geneticist He Jiankui for help in gene-editing embryos.

developmental biology
Image of the Day: Phantom Limbs
Image of the Day: Phantom Limbs
Chia-Yi Hou | Jun 17, 2019
Researchers study how oxygen around an embryo helps shape the way feet and digits form in amphibians and chickens.
Killifish Survive Polluted Waters Thanks to Genes from Another Fish
Killifish Survive Polluted Waters Thanks to Genes from Another Fish
Emma Yasinski | May 6, 2019
Gulf killifish have made a stunning comeback in Houston with the help of genetic mutations imported from interspecies mating with Atlantic killifish.
Monkeys Genetically Edited to Mimic Human Brain Development
Monkeys Genetically Edited to Mimic Human Brain Development
Chia-Yi Hou | Apr 10, 2019
Rhesus monkeys engineered to express a human gene reportedly show delayed brain development and better short-term memory. Fellow scientists are raising ethical red flags.
Sydney Brenner, mRNA Discoverer, Dies
Sydney Brenner, mRNA Discoverer, Dies
Kerry Grens | Apr 5, 2019
One of the foremost molecular biologists of the 20th century, the Nobel laureate established C. elegans as a model organism, mapping its genes and development.
Bioethicists Concerned over Japan’s Chimera Embryo Regulations
Bioethicists Concerned over Japan’s Chimera Embryo Regulations
Katarina Zimmer | Apr 4, 2019
Many researchers see the move to relax the rules as a welcome change, yet some are worried the revisions don’t take public concerns enough into consideration.
Stray Germ Cells May Seed Female-Biased Cancerous Cysts
Stray Germ Cells May Seed Female-Biased Cancerous Cysts
Ashley Yeager | Apr 1, 2019
Similarities in gene expression hint at the origin of a certain type of pancreatic tumor that predominantly afflicts women.
Image of the Day: Neuron Guides
Image of the Day: Neuron Guides
Carolyn Wilke | Mar 27, 2019
A gene helps motor neurons successfully venture out from the spinal cord to muscles during mouse development.
Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Doctors Report World’s Second Case of “Semi-Identical” Twins
Doctors Report World’s Second Case of “Semi-Identical” Twins
Catherine Offord | Feb 28, 2019
The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.