Back up to: Horizon
17/18 Michael Mosley explores the latest theories on how our personalities are created.
16/18 Professor Alice Roberts investigates what separates humans from the animal kingdom.
15/18 How it was hoped we would be able to observe a feeding supermassive black hole in action.
14/18 Investigating the controversial process of mining natural gas via hydraulic fracturing.
13/18 Looks at the cats who stood out in the experiment conducted in The Secret Life of the Cat.
12/18 Horizon discovers what your cat really gets up to when it leaves the cat flap.
11/18 Revealing the remarkable experiments taking place at the heart of the data revolution.
10/18 Horizon explores the latest scientific insights into the most indulgent of all senses.
9/18 What can surgeons learn from other professions about making life or death decisions?
8/18 A look at how scientists are trying to work out how moments of creativity come about.
7/18 Iain Stewart explains what meteorites and asteroids are, and the danger they pose.
6/18 Exploring the emergence of dangerous strains of bacteria resistant to antibiotics.
5/18 Horizon goes in search of the smallest thing in the universe.
4/18 Following the cosmologists who are attempting to create a map of everything in existence.
3/18 Michael Mosley examines the powerful science behind the ancient idea of fasting.
2/18 Behind the scenes at Nasa as they prepare to the land the Mars rover on the planet.
1/18 Dr Rozina Ali finds out if it is possible to make skin look younger without surgery.