In this documentary nature's "golden oldies" reveal new secrets for how to live longer. The animal kingdom has some long lived record breakers. Who holds the title for the oldest species on the planet and has been alive since the last ice age? Is it true that an animal that was discovered by Charles Darwin is still alive today? And if science can triple the lifespan of a fly can it do it for us?
Believe it or not some of it comes down to what we all do naturally - sex. It puts you on the planet and some aging scientists believe it's one of the biggest factors that determines the day you die. At the Institute for Ageing and Health in the UK, Professor Tom Kirkwood a world's authority on the science of aging is trying to find out why?