For the first time ever, researchers at Queen's University in Belfast have developed a non-intrusive way to generate large numbers of stem cells using only a small blood sample.

Scientists have developed a human-pig hybrid so they can grow human hearts, livers, and kidneys for transplants.

A boy born without any ears has fulfilled his simple wish to be able to wear a pair of sunglasses for the first time after having a new pair of ears created from his own ribs.

Treatment with human stem cells has allowed mice crippled by a version of multiple sclerosis to walk again after less than two weeks.