Stories by David Cyranoski

Just physically squeezing cells or bathing them in acidic conditions can readily reprogram them into an embryonic state

A technical tour de force, which involved creating primordial germ cells from mouse skin cells, is prompting scientists to consider attempting this experiment with human cells

The achievement shows that patient-specific cells could be made without genetic manipulation

The California Institute for Regenerative Medicine is rethinking its rules in the wake of a recent breakthrough involving the creation of stem cell lines from a cloned human embryo

The breakthrough might set up another showdown about cloning for therapeutic purposes

Celltex Therapeutics of Houston ceased treatment patients in the U.S. last year after a warning from regulators, and will now send patients for treatments to Mexico

An ambitious researcher wrestles with some of the grand challenges of neural development

Mitochondrial transfer technology to shuffle genetic material between unfertilized eggs could help reduce the risk of childhood diseases

Scientists have coaxed induced stem cells to form functional liverlike tissue in a petri dish

Scans allow a researcher to communicate with people previously written off as unreachable and offer hope in identifying those who might respond to rehabilitation

The achievement, with an "optic cup" that contains multiple layers of photoreceptors, raises hopes for repairs of damaged eyes in the clinic

Chaos and bureaucracy hamper assessment of nuclear crisis