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Listed under:  Science  >  Scientific inquiry  >  Data collection  >  Evidence
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Caving for fossils

Imagine the enthusiasm of Australian paleontologists when they heard about the discovery of three caves in the middle of the Nullarbor Plain. Watch this clip to find out just what was discovered in the caves and why it is so significant.

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What are microbes?

What are microbes? What are the four major groups that most microbes belong to? Listen as Dr Taghrid Istivan explains where microbes are found. What is the name of the group of microbes she describes as beneficial to our health? Can you explain what happens when people get food poisoning?

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Journey into Japan: Modernising Japan in the Meiji era

The restoration of Emperor Meiji in 1868 ushered in a period of rapid change in Japan. The country not only borrowed practices and technologies from Western countries, in less than forty years it too had become an imperialist power. This clip is fifth in a series of six.

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Fair and reliable reporting on Medieval Angkor

What are the dangers of relying on one historical source for an understanding of an ancient society? How important is it for historians to verify information? In this animation of one of history's most significant documents, Zhou Dugaun's 'A Record of Cambodia: the land and its People', consider the reliability of Zhou's ...

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Zhou Daguan's account of Medieval Angkor

The city of Angkor was the centre of the mighty Khmer Empire for five hundred years, beginning around 900 CE. It was not only one of the most populous cities in the world, it featured some of the most sophisticated architecture and infrastructure, particularly in regards to water distribution. In this beautiful animation, ...

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Testing the 5-second rule

When it comes to dropping food, have you heard of the 5-second rule? Or the 3-second rule? Watch this video to learn what really happens when you drop food. In order to cause disease, what must bacteria do? What circumstances allow bacteria and viruses to contaminate food more successfully?

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Catalyst: What is a megafire?

Join Catalyst reporter Anja Taylor as she visits the Jemez Mountains in New Mexico and discovers the impacts of recent megafires on the landscape there. What is a megafire? And how is a megafire different from a regular wildfire? How have recent fires permanently transformed the landscapes that Anja and Professor Craig ...

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Could you make a unicorn by crossing DNA?

Good question! Find out whether this is possible by watching as biologist at MIT, Dr Sera Thornton explains. What is a genome? And why do genomes need to be decoded? If the rhino genome was successfully decoded and the part that described the rhino horn was isolated, what would the process be for creating a unicorn?

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Atoms of Fire: What makes salt and sugar so different?

Have you ever accidentally sprinkled sugar on your dinner or spooned salt into your coffee? Those white crystals might look the same but they taste very different because they are made of different kinds of atoms bonded in different ways. Discover how chemists identify what kinds of atoms a compound is made of, then find ...

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Four Corners: TV killed the radio star

Can you imagine a time when, instead of watching dramas at home on a screen, people listened to them on the radio - a time when the most popular of those dramas were made in Australia? This Four Corners program from 1964 examines the reasons for the death of Australian radio serials, the role played by television in their ...

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Cambodian refugees

How do people become refugees? From the late 1960s, the small Southeast Asian nation of Cambodia was dragged into a war that was not of its making. Many thousands of its people suffered terribly when their country was caught up in the Vietnam War. Watch as ABC reporter Andrew Swanton covers the flight of refugees into the ...

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Four Corners: Before the Referendum: Margaret Valadian speaks up

Imagine being asked to speak on behalf of your culture. Explore and compare some of the attitudes of and about Aboriginal and Torres Strait Islander peoples in 1967. In the national referendum of that year, 90 per cent of Australian voters agreed that the affairs of Aboriginal and Torres Strait Islander peoples should be ...

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Archaeology unearths a mass-murder site

Discover a historic site that could reveal new evidence of the first recorded mass murder on Australian soil. The site is Beacon Island, a small island off the coast of Western Australia near present-day Geraldton. In this clip, reporter Mark Bennett visits the island with two members of a 1963 expedition that first investigated ...

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Four Corners: Ecological effects of bushfires

Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

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Foreign Correspondent: The Battle of Hastings, again!

How was England changed forever by one battle in 1066? In that year, a Norman army led by Duke William of Normandy sailed to England and defeated the Saxon army of Harold Godwinson at the Battle of Hastings. Visit the site of the battle during a re-enactment by medieval history buffs. This is the first of two clips.

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BTN: Volcanoes and people

Imagine living in the shadow of a volcano? Well, millions of people do in Naples, Italy, where a massive volcano called Vesuvius exists. This clip explores the dangers posed by volcanoes and investigates some recent and ancient eruptions. Find out some misconceptions about volcanoes and discover how science is helping prevent ...

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Nexus: Holden, the 'all-Australian car'

What made Holden cars symbols of Australia during the 1950s, 60s and 70s? During this period, more than any other vehicle, the Holden came to reflect changing lifestyles in Australia, and helped to define for many what it meant to be 'Australian'. Find out the impact that generations of Holden vehicles have had on the lives ...

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Catalyst: Supercapacitors: new battery technology

Discover how nanotechnology is contributing to the creation of new, improved batteries that may soon be used in all our mobile phones and portable music devices - even in cars and trams. Catalyst's Tanya Ha looks at how traditional batteries produce electricity and how their efficiency may be increased by tiny devices known ...

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Foreign Correspondent: Uncovering a chapter of the Holocaust

What happened to the Jewish population of Vienna, Austria's capital, during World War II? Its members were among the estimated six million Jewish victims of the Holocaust. In this clip from 2007, find out about the prolonged campaign of historian Tina Walzer to reclaim Vienna's Jewish heritage. The clip is the first of two.

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Catalyst: Volcanic eruptions at Mount Ruapehu

Imagine a volcano erupting kilometres away. You are afraid, worried for the safety of yourself and others. Paul Willis presents the work of New Zealand volcanologists conducting research at Mount Ruapehu, a volcano with a history of devastating lahar (water, sediment and rocks) flows. Learn more about lahar flows and the ...