Neil Oliver examines possessions discovered with at the Repton Viking Warrior burial site, and discusses the relationship between these objects, Viking religion and their approach to warfare.
In the slums of London, people needed to 'pad out' their food with chalk and sand to make it last. But food wasn't the only hardship.
... but oversharing can backfire. This experiment shows just how honest we really can be with each other.
Tim Flannery meets Shark Bay Marine Park's Dave Holley to learn how some of the earliest forms on life, stromatolites, have managed to survive in Shark Bay for billions of years.
A Townsville control tower manages ships navigating the Great Barrier Reef, where they try to avert accidents, such as the MV Shen Neng 1 oil spill in 2010.
Jim AlKhalili blocks out light coming into a room to create a camera obscura and produce an image on a screen.
As the Galapagos' volcanic islands die, they create strange currents and bays that mix both warm water for coral reefs and cold Antarctic currents for penguins.
Qatar and Bangladesh face off in the first round of the World School Debating Championships, as they debate the provision of government funding for faithbased initiatives.
Brian Cox travels to Gadamotta, Ethiopia, and learns how to work with obsidian to craft spear heads and other tools, as early humans would have done.
Language warning. Goes inside Dorralong rehabilitation centre to meet young ice addicts and find out how they got hooked.
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.
Totally Wild catches up with CEO Andrew Ellis, from Hockey South Australia, talking all things hockey, competition and high-performance programs. While on the field, junior champs Lachlan and Maddi give the TW crew a couple of tips for aspiring hockey stars and anyone wanting to get involved.
Computer graphics depict the death of a star in the form of a hypernova on the way to becoming a black hole, as the narrator asks if anyone else would ever notice the death of our own star.
Sam Willis visits the ancient city of Persepolis, capital of the Persian Empire, and studies the art that reveals the extent of the empire.
Physicist Douglas Leonard explains the relationship between black holes and the sun, and reveals how the Hubble Telescope helped discover a black hole where sun had gone supernova.
Chloe Watts meets digital artist Seb LeeDelisle to see his digital fireworks display, created in open source program PixelPyros.