With a backdrop of tropical fauna and fauna images, a narrator explains how rainforests seed clouds with the aerobacter bacteria to form rain as part of a water and nutrient ecosystem.
Marcus du Sautoy introduces Pythagoras' theorem and discovery of harmonic series, and Hippasus' irrational number.
Charles Mene is one of Australia's unsung heroes. 480 looks at his story and the act of bravery that earned him the Military Medal for his courage under fire.
Rivals Leon Trotsky and Josef Stalin vie to succeed Vladimir Lenin as leader of the Soviet Union.
Walkley Award winning 7.30 journalist Monique Schafter delivers a short, sharp dose of modern life via ABC2's interstitial series, Reportable. In this episode, mixed martial arts, sometimes called cage fighting, is one of the world's fastest-growing sports, and more women are getting involved, including one for whom success is as much about brains as brawn.
Oodgeroo Noonuccal was one of Australia's leading Aboriginal poets. She helped her country during war time, a phase in her life
Esmond finds gold in Ballarat, Victoria, and the gold rush that followed quickly made Melbourne one of the world's wealthiest cities.
French-Canadian theatre, film and multimedia actor and director Robert Lepage talks about his unorthodox approach to stage directing and the cross-fertilisation between theatre, film, the internet and other alternatives.
This experiment shows that a group is likely to pick an 'alpha' looking character as their leader over someone who looks short and shy.
Walkley Award winning 7.30 journalist Monique Schafter delivers a short, sharp dose of modern life via ABC2's interstitial series, Reportable. In this episode, they're a digital tool for the age-old game of romance, but how do 'hook-up apps' work in the real world?
From Tony Robinson Explores Australia EUREKA
29 unnamed Indigenous Australians were killed by European Settlers on 10 June 1838
An A&E doctor tests his own alcohol intake and finds out that drinking responsibly is harder than it seems.
This stunning short clip examines the annual CO2 cycle of the Earth, how forests and oceans absorb and release this greenhouse g
In 1830 a 300kmlong line of colonists sets out to trap Aboriginal people in one corner of the island, but fails. George Augustus Robinson negotiates with 300 mainland Indigenous Tasmanians to relocate them to Flinders Island.
This BBC clip introduces students to the first manned missions to the moon and why it was such an epic and revolutionary achieve
Using cutting edge imagery and graphics, this clip examines Jupiter's very active and dangerous moon, Io. Suitable for years 5 &
Voyager reveals active volcanoes on Io, one of Jupiter's 60 moons, leading scientists to envisage what walking on the moon's surface would be like.
A 'life hacker' shows us how easy it is to burgle a home, claiming his tips make a point about security. Is he right?