A small patch of engineered cells makes an enzyme that stimulates insulin release.

Early-stage melanoma cells alter proteins in nearby skin cells to create a favorable environment for cancer progression.

The reprogrammed germ-like cells were unable to fertilize eggs, however. 

A deep-sequencing analysis reveals that non-malignant skin cells harbor many more cancer-driving mutations than previously expected. 

An international team has created human embryonic stem cells from adult skin cells for the first time.