Patrick describes his experience with bipolar disorder after being hospitalised following a manic episode.
Chloe Watts meets former builder John Beech, who now develops video games that allow players to create their own levels and share them with a community.
Jim AlKhalili discusses the law of refraction originally developed by Ibn Sahl, but often attributed to Willebrord Snellius.
Coastal geomorphologist Rob Dr Rip Brander shows Brendan Moar what happens to his heart rate when caught in a rip current.
The terms proposition and opposition are defined in this clip from the documentary Up For Debate, with an introduction to the components of a debate speech.
Neil Oliver meets metallurgist Marcos MartinonTorres who demonstrates how silver was extracted from lead by Romans.
Historians discuss photograph attributed to Frank Hurley of dead and wounded Australians and Germans in railway cutting near Ypres.
Richard Smith explains how the rusting of the oceans produced the iron ore now mined in the Pilbara.
Becky Parker and Johnny Hudson demonstrate how atoms can be in two places at once.
Neil Oliver examines the skeletons of the Viking victims of the St Brice's Day massacre at Oxford and describes how the bones reveal how they died.
Arthur Calwell orders deportation of Asian wartime refugees but Indonesian O'Keefe family resists.
Days after Eddie McGuire apologised for a young Collingwood supporter calling Adam Goodes an ape, the Collingwood president joked Goodes could market King Kong. Collingwood player Harry O'Brien later described McGuire's joke as an example of casual racism. Discussion: When one person perceives a comment as being a joke, how can another perceive it as an insult? What kind of personal characteristics did O'Brien demonstrate by tweeting about McGuire's comments, keeping in mind that as the Colling
The Final Quarter reveals an Essendon supporter is challenged by fellow Bombers fans for a racist slur hurled at Adam Goodes during a match against the Sydney Swans. Discussion: How is this an example of being an upstander rather than a bystander?
In this clip from Trust Me, I'm a Doctor, Dr Saleyha Ahsan investigates the signs and symptoms of depression.
Billy Hughes obstructs racial equality clause at Treaty of Versailles to protect White Australia policy.
Alan Davies and Marcus du Sautoy visit a length bar interferometry unit and use a laser tracker to measure Alan's length of string.
Marcus du Sautoy demonstrates how Babylonians used quadratic equations to calculate areas of land.
Seth Lloyd leads Alan Davies through Erwin Schrodinger's quantum physics thought experiment, where a cat is both alive and dead at the same time.