Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

Slicing up and analyzing real, living, three-dimensional brain tissue comes with some obvious complications – as in, it tends to be needed by its owner. But scientists are now closer than ever to ...

Knoepfler is a professor of cell biology and human anatomy at UC Davis School of Medicine. Researchers are racing to engineer highly realistic human embryo models using stem cells in the lab. Some of ...