Ethical stem cell miracle
A paralysed man has been able to walk again after a pioneering therapy that involved transplanting cells from his nasal cavity into his spinal cord, it was reported in late October.
BBC News
Darek Fidyka, who was paralysed from the chest down in a knife attack in 2010, can now walk using a frame. The treatment, a world first, was carried out by surgeons in Poland in collaboration with London scientists.
