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Coastal erosion and king tides

A friendly discussion about the economic and environmental impacts of ways of dealing with the problems of simultaneous king tides and tidal surges associated with storms from a Californian perspective. Download the audio or view the transcript of this ABC radio interview.

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Chemicals on the Great Barrier Reef

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

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Water-powered engine theories need hosing down

This ABC article by Dr Karl addresses the question: will we one day be able to power cars with water? The chemical reactions involved in the formation and decomposition of water are described. Energy transformations are explained. A very useful resource to get students thinking.

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Mercury is released as coal is burnt in power stations

This resource describes research into environmental disease resulting from the heavy metal mercury. It is estimated 60,000 babies are born each year in the United States with mercury-related diseases from the burning of coal in power stations. World wide, this is a significant problem. Mercury also enters the environment ...

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Brown note: bad vibration mega-hurts

This ABC article by Dr Karl investigates the myth that low frequency vibrations can result in an involuntary motion. The range of sound frequencies related to human hearing is described and how it can and cannot be used.

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Space telescopes and servicing Hubble

This radio interview gives examples of how improvements in technology have influenced astronomy. The Space Shuttle Atlantis is paying a service call to the Hubble Space Telescope, repairing, replacing and deploying new equipment. Jonathan Nally describes the mission and looks at other large telescopes in orbit now, and ...

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Ig Nobel prizes

Some humorous examples of scientists thinking outside the square and doing some unusual research. Download the audio or view the transcript of this ABC radio interview.

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Lakes in Antarctica

Scientists are not complacent. We still have a lot to learn about the water cycle. The discovery of glacial lakes under the ice in Antarctica actively transporting water between reservoirs was a surprise. These lakes can be up to 3km beneath the ice sheets. The pressure of the ice above helps to melt the ice, forming lakes. ...

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Killer cholera begins where other diseases end

This ABC article by Dr Karl continues his examination of the causes, effects and treatments for cholera. A good explanation of how the body responds to the disease cholera and when healthy, maintains a balance in its absorption of water through the digestive system. The historical background to developing treatment for ...

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Radio National: Ways of talking

The ways that people talk can reveal much about themselves, and can also cause strong responses in listeners. Julian Burnside reads from his book 'Word watching' about the controversy over the pronunciation of the letter 'h', and how the pronunciation of words starting with 'h' has changed over the centuries. He suggests ...

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Green glow of radiation

Coming into contact with a large dose of radiation is known to be hazardous. But will it make you light up like a car dashboard at night? Some anecdotes that will engage the students to learn about radioactivity while dispelling a few myths.

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Radio National: Sir Henry Parkes's Tenterfield Oration, 1889

What role did Henry Parkes play in the federation of Australia? Listen to a re-enactment of Sir Henry Parkes's famous 1889 speech in Tenterfield, known as the Tenterfield Oration. Note in particular the arguments Parkes used to gain political support.

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Water found on the moon

Scientists have confirmed the presence of water on the moon. Rather than occurring in rivers or lakes, water is found sparsely mixed amongst rocks. It's suggested the water came from comets, or the combination of incoming protons with oxygen. Jonathan Nally described the latest experiments where spacecraft will be sent ...

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Plane Truths

In this ABC article or podcast Dr Karl provides statistics about comparative safety of different modes of travel and then justifies why flying is so safe.

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Gus Nossal describes his most noted medical research, 2008

This is an edited sound recording of Sir Gustav Nossal describing the medical research for which he became internationally known. He outlines his contributions to the emerging science of immunology in the 1950s-70s, and how other researchers have been able to make further discoveries based on his initial work. The recording ...

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Jimmy Little outlines his views on racism, 2008

This is an edited sound recording, from July 2008, of Indigenous singer-songwriter Jimmy Little. Little tells how his parents lived on an Aboriginal mission, with their movements very restricted. He also recalls going to a movie theatre where people were separated by race, but says examples of racism such as these were ...

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May O'Brien recalls the traditional bush lifestyle of her childhood, 2008

This is an edited sound recording of an interview with Western Australian Aboriginal educator and author May O'Brien. She recalls the traditional bush lifestyle of her childhood in the eastern goldfields region of WA. She describes living in comfortable humpies made from bush materials and how she was taught traditional ...

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May O'Brien recalls school at the Mount Margaret Mission, 2008

This is an edited sound recording of an interview with Western Australian Aboriginal educator and author May O'Brien. She gives an account of the police practice of removing Aboriginal children from their families in line with government policies of the time. She recalls being fearful as a child of being removed and taken ...

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John Landy talks about becoming a world record runner, 2008

This is an edited sound recording of former champion runner John Landy recalling how he became a world record holder. He says that in the early 1950s, the possibility of running 1 mile (1.6 km) in under 1 minute was 'a great talking point'. He says Roger Bannister became the first to achieve the goal in May 1954. Landy ...

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Forbes Carlile discusses development of Australian sports science, 2008

This is an edited sound recording of the leading sports scientist and swimming coach Forbes Carlile speaking about his work in sports science. Carlile says that he worked under the 'father of sports science in Australia', Professor Frank Cotton. His own interest in the field was as a physiologist, measuring physical changes ...