The Nature of Things - Season 58 Episode 16 -

Humans have long been obsessed with “eternal youth”. By 2021, the anti-ageing industry is expected to be worth over $330 billion, with many wacky and unorthodox methods proposed for staying youthful and extending our time on Earth. In Ageing in the Wild, viewers get a glimpse at how species in the animal kingdom live long and healthy lives.