Stem cells

A decision to pay for eggs for stem cell studies sparks debate

Nearly 90 percent of the brain is composed of glial cells, not neurons. Andrew Koob argues that these overlooked cells just might be the source of the imagination

Surgeons report success in first human bone growth procedure using fat stem cells--with no culturing necessary

Venkatraman Ramakrishnan, Thomas Steitz and Ada Yonath first determined how to image the ribosome, then revealed how it does its protein-making work

Experimental treatment does not halt fatal complication of bone-marrow transplant.

An unlikely team of cardiologists and plastic surgeons have found a way to make adult induced pluripotent stem cells quickly and easily from a readily available resource--fat

A new method of DNA tagging and tracking individual virus-attuned T lymphocytes shows the body to be incredibly efficient in recruiting just the right 10 cells out of a million

Several types of retina cells have been created from stem cells, according to a study published online yesterday in Proceedings of the National Academy of Sciences .

Whereas some scientists are using the stomach to help grow a cardiac patch, others are putting heart cells together on a scaffold where they are keeping a beat on their own

A crucial protein on the surfaces of malignant cells shields them from destruction, but it could also provide a new way to attack cancer

Also: updates on stem cells from proteins, quasicrystals and a billion-year memory drive

Do cell phone chatterers have more to fear than bulky monthly bills? An orthopedic surgeon explains what cubital tunnel syndrome--aka "cell phone elbow"--is, and whether it's worth worrying about