Learn why some are dark and others are white, how they create rainbows, halos and sun dogs, and how clouds are formed.
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
A reader recites Blake's The Tyger and critics discuss the composition and significance of the poem.
The life and work of Australian writer Henry Lawson is introduced with readings of his poetry.
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.
Jim AlKhalil meets Egyptologist Okasha El Daly and discovers the link between hieroglyphics, Coptic language and Arabic, propagated by the Translation Movement of the Islamic Golden Age.
Jim AlKhalili visits Nur alDin Bimaristan, a medieval hospital in Damascus, examines artefacts used in Islamic medicine, and discusses religious tolerance in the hospital.
Jim AlKhalili demonstrates the difference between the Roman and HinduArabic numeric systems and the origin of the decimal point.
Jim AlKhalili meets mathematician Ian Stewart, who explains the significance of Muhammad ibn Musa alKhwarizmi's work to develop algebra and the origin of root.
*Aboriginal and Torres Strait Islander viewers are advised that the following program contains images and voices of deceased per
This clip highlights a few recent weather disasters that have been blamed in part on global warming. This clip forms a good disc
This clip is a good discussion starter and argues that developed nations may be less impacted by global warming than other natio
This short clip explains the natural and man made causes of global warming. It includes an explanation of the Greenhouse Effect
Garth Sundem demonstrates the use of algebra with four single men to calculate their chances of obtaining the phone numbers of women in a bar.
Lawrence Williams conducts an experiment to test the subliminal priming effects of holding a cold or hot drink on a subject making a decision about a person.
The brains of children are compared to those of adults, noting that the areas with most activity change with maturity.
This BBC short clip is a great conversation starter. An American man has started a business selling real estate on the moon. But