The most serious bunions are treated with a joint-fusion surgical procedure known as a lapidus bunionectomy, in which the first metatarsal and the next bone back, a cuneiform, are fused together.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions

Until recently he was Director of the United Kingdom Atomic Energy Authority (UKAEA) Culham, with responsibility for the UK fusion programme and operation of the Joint European Torus (JET).

UNESCO: THEMES