Melvyn Bragg discusses the way Australian English has evolved, from the First Fleet to Elizabeth II's first visit, influenced by criminal slang and Aboriginal terms along the way.
In Australia, English was coloured by a few of the local Aboriginal words - kangaroo, koala, boomerang, barramundi, woomera and
This BBC clip for senior high school students offers a deeper look at natural selection, including the work of Mendel and Darwin.
The brains of children are compared to those of adults, noting that the areas with most activity change with maturity.
David Attenborough evaluates the use of levees to resist Hurricane Katrina, examines the changing risk of bushfires in Australia, and reviews ways to control carbon emissions.
This hilarious clip explains how and why Australians have such a distinctly 'flat' sounding accent.
It must have been a tough gig impersonating 'Dubya' Bush - Josh Brolin had to capture his soul too.
James Watson and Francis Crick discover the structure of DNA takes the form of a double helix.
The reclusive Boo Radley saves the Finch kids from Bob Ewell, teaching Scout to judge people by actions not reputation.
After starting a fight at school, Scout learns it's a sin to kill a mockingbird and is taught to see things from another's perspective.
The Finch family stands up to a lynch mob intent on taking Atticus' client, Tom Robinson.
In summing up his defence, Atticus links Tom's case to the racial prejudices of the Alabama town.
Atticus and the sheriff discuss the morality of revealing Boo's actions as Scout learns the value of innocence.
The origin and then modern significance of Charles Darwin's theory of natural selection is discussed.
Archival footage reveals the bus journey Charles Perkins and other Indigenous civil rights activists took in the 1965 Freedom Ride from Sydney to western NSW.
A look inside the working of Australia's Bell Theatre Company and the work and emotions involved in staging Shakespeare's Hamlet
A group of British teens face the harsh realities of work inside an Indian clothing sweatshop. Some course language.