Physicists discuss the theories of dark matter developed by Fritz Zwicky and Vera Rubin to explain gravitational fields.
A reader recites part of Wilde's The Ballad Of Reading Gaol and critics discuss the composition and significance of the poem.
Verbally is not the only way humans communicate. Professor Robert Winston takes a look at the power of body language and the effect it can have on the people you are interacting with.
Marcus du Sautoy demonstrates how Babylonians used quadratic equations to calculate areas of land.
Marcus du Sautoy introduces Pythagoras' theorem and discovery of harmonic series, and Hippasus' irrational number.
Marcus du Sautoy shows how the Ancient Egyptian number system worked, and the problems with it, and reveals that binary is documented in the 1550 BC Rhind Mathematical Papyrus.
This clip reviews the role of the Aboriginal Protection Board in Atherton Queensland and the forced removal of indigenous childr
Marcus du Sautoy reveals the Ancient Chinese number system and how their method of calculating figures was very different to they're way of writing them.
David Attenborough describes the conditions that formed the Gobi Desert and some of the characteristics of the environment.
Marcus du Sautoy examines Kurt Godel's incompleteness theorem and the crisis in mathematics that while a statement about numbers might be true, they might never be proven.
Marcus du Sautoy illustrates Georg Cantor theory of infinite infinities, and that some infinities are bigger than others.
On 28 June 1942, the German army set out to conquer Russia in a split campaign - one aimed at Stalingrad and the other focusing on the capture of the rich Caucasus oil fields.
Stephen Hawking challenged idea information never disappears, arguing the future couldn't be predicted nor the past known.
Russian penal battalions are used as cannon fodder while order No.227 punishes retreat with death.
Tony Robinson tells the story of Edward Hargraves discovering gold in NSW in 1851, and the gold rush that followed.
From Tony Robinson Explores Australia EUREKA
29 unnamed Indigenous Australians were killed by European Settlers on 10 June 1838
Tony Robinson retraces Robert O'Hara Burke and William John Wills' 1860-61 expedition to explore inland Australia.