BBC Four Immortal? A Horizon Guide to Ageing (R) (T) Mon 23:30

Immortal? A Horizon Guide to Ageing (R) (T)

Veteran presenter Johnny Ball looks back over the 45 years that both he and TV series Horizon have been appearing on air to find out what scientists have learnt about how and why people grow old. He charts developments from macabre early claims of rejuvenation to the latest breakthroughs, and asks if the dream of immortality is any closer to coming true.