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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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Cholera's prevention preferable to its cure

This ABC article by Dr Karl describes in detail aspects of how water balance occurs with some interesting examples of when things go wrong. He then outlines the disease, cholera and how it is associated with bacteria carried by water and the disruption to our water balance. Dr Karl looks at the causes and effects of cholera ...

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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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Solar thermal electricity

This program gives an update on research into solar thermal electricity. Liddell Power Station in the Hunter Valley, NSW is a hybrid power station using solar energy to pre-heat water and so reduce the use of coal and the production of carbon dioxide. Some scientists claim that harnessing the solar heat in an area 50km ...

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Malaria: affects animals as well as humans

This program is an excellent example of the latest research into one of the world's most deadly disease. Humans are infected by five out of the two hundred species of malaria parasite. But birds, bats, lizards and antelopes are also hosts for malaria parasites. Each species of malaria has a different life cycle and life ...

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Choleric waters still run deep with disease

With 884 million people globally not having access to clean drinking water, it comes as no surprise that cholera keeps on killing. Dr Karl explains arguably the most important medical discovery of the 20th century. An excellent resource for the understanding of why cleanliness of water is fundamental to the control of infectious ...

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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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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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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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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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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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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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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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Diabetes type 2 cured by surgery ABC Radio national

Download the audio or view the transcript of this ABC radio program. It is an excellent example of how approaching a problem from a different perspective and with an open mind may result in an amazing solution. Richard Stubbs, and New Zealand scientist, claims type 2 diabetes is a disease of the gut. If his hypothesis is ...

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Radio National: Stand and deliver: public speaking and democracy

Have you ever heard the words 'Friends, Romans, countrymen, lend me your ears'? They come from the great orator Mark Antony talking about the death of Caesar in Shakespeare's play 'Julius Caesar'. Listen to this audio interview with classics scholar Dr Kathryn Welch to find out what we can learn from the first public speakers, ...

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When is wrong grammar right?

Do adults or teachers ever correct how you say something? Do they tell you your grammar is wrong? Even when everybody you know says it that way? Find out who is wrong and who is right with language expert Professor Roly Sussex.

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Conserving seeds of agricultural crops

This radio interview discusses how Global Crop Diversity Trust is trying to conserve the biodiversity of the world's agricultural crops. A network of seed banks is being developed, together with a backup in a mountain in Norway. Just 10 or 12 crops dominate human nutrition. And there's turnover in varieties as crops are ...

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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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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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Dame Enid Lyons: a pioneer for women in parliament

What would it be like to be one of only two women in an Australian parliament dominated by men? That was the situation in 1943 when Dame Enid Lyons entered the House of Representatives and Dorothy Tangney entered the Senate. Find out what Lyons said about this at the end of her career in 1951.Then listen to an excerpt from ...