15/15 A British flying doctor is scrambled to rescue an injured jockey.
Dr Saleyha Ahsan cuts through the confusion and reveals the surprising science of fat.
14/15 A British surf lifesaver launches a rescue mission after a diver goes missing.
10/17 Professor Brian Cox journeys in search of the energy source of the future, nuclear fusion.
Simon debates whether to end his life after being diagnosed with motor neurone disease.
12/15 A British pilot is scrambled to rescue a surfer attacked by a shark.
Dr Chris van Tulleken looks at whether changing the times we eat can aid weight loss.
11/15 A former Royal Marine who now fights fires from a helicopter is airborne.
A New Year special to help shake off the festive excesses.
Documentary. People from all walks of life talk about their experiences with loneliness.