First Mouse Embryos Made from Two FathersFirst Mouse Embryos Made from Two FathersFirst Mouse Embryos Made from Two Fathers
First Mouse Embryos Made from Two Fathers
The bipaternal pups died soon after birth, but mice with two mothers grew into fertile adults.
First Mouse Embryos Made from Two Fathers
First Mouse Embryos Made from Two Fathers

The bipaternal pups died soon after birth, but mice with two mothers grew into fertile adults.

The bipaternal pups died soon after birth, but mice with two mothers grew into fertile adults.

embryonic stem cells
Mouse Stem Cells Made to Form Embryo-Like Structures
Mouse Stem Cells Made to Form Embryo-Like Structures
Ruth Williams | Oct 3, 2018
With just a molecular nudge, aggregates of embryonic stem cells take shape as a “gastroloid,” bearing the genetic hallmarks and spatial organization of early development.
Cardiac Cell Transplants Help Monkeys’ Hearts
Cardiac Cell Transplants Help Monkeys’ Hearts
Ashley Yeager | Jul 2, 2018
The organ’s blood-pumping capacity improved with the infusion of cells, a study shows.
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.
Image of the Day: Retinal Cell Implant
Image of the Day: Retinal Cell Implant
The Scientist Staff, The Scientist Staff | Apr 17, 2018
For the first time, a transplant of replacement tissue grown from stem cells has been shown to be feasible for patients with macular degeneration.
Researchers Argue for “Embryoid” Ethics Revamp
Researchers Argue for “Embryoid” Ethics Revamp
Bob Grant | Mar 22, 2017
Scientists issue a call to reconsider the rules governing the creation of tissues, organs, and other structures made possible by recent advances in synthetic biology. 
Meet the First Artificial Embryo Made From Stem Cells
Meet the First Artificial Embryo Made From Stem Cells
Bob Grant | Mar 2, 2017
Researchers report growing a mouse embryo using two types of early stem cells.
Week in Review: October 17–21
Week in Review: October 17–21
Jef Akst | Oct 21, 2016
Report finds that pathologist involved in anonymous defamation case committed multiple acts of misconduct; growing eggs from stem cells; neutrophils’ role in metastasis; convergent evolution in birds
Toward Making Sperm in the Lab
Toward Making Sperm in the Lab
Rina Shaikh-Lesko | Feb 25, 2016
Researchers devise a technique for creating gametes from murine embryonic stem cells.
Legacies Left Behind in 2015
Legacies Left Behind in 2015
Karen Zusi | Dec 31, 2015
A look at the contributions of some of the prominent researchers who died this year