Georgia Mills and the Naked Scientists explore the science of addiction and drugs, both illegal and therapeutic.
A round-up of the day's news.
Gold for the women's hockey team, Nick Skelton and a third for Usain Bolt. Plus heartbreak for Lutalo Muhammad as he loses in his final, missing gold by 1 second. Show more
A review of yesterday's Olympic action presented by Caroline Barker and Chris Mason. Plus Saturday's main news stories and sport.
400m hurdles legend Sally Gunnell looks at the Rio Olympics. Former GB swimmer David Wilkie does the sausage sandwich game. Show more
Jonathan Overend presents build-up to Premier League action and Olympic coverage.
Live Premier League football commentary on Stoke v Manchester City. Plus Olympic updates from canoe sprint and taekwondo action.
Build-up and team news ahead of the afternoon football kick-offs.
Live football commentary of Burnley v Liverpool plus updates from across this afternoon's 3pm kick-offs. Plus Olympic updates from the women's triathlon and men's 10m diving. Show more
Reports, results, and reaction from the day's big sporting stories in football and the Rio Olympic Games.
Live boxing as Nicola Adams fights for a gold medal in the women's fly final.
Will Perry and Chris Waddle take calls on the day's football stories. Show more
Live tae kwon do and men's football coverage from the Rio Olympic Games. Show more
Jonathan Edwards presents live coverage of the evening's athletics finals, as Mo Farah defends his 5000m Olympic title. Plus taekwondo updates. Show more
Mo Farah talks about becoming Britain's most successful Olympic track and field star after claiming his fourth gold medal at the Rio Games. Show more