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Audio

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 ...

Audio

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 ...

Audio

Microwave explosions

This ABC article and podcast by Dr Karl describes how superheated water can be produced by heating in a microwave and the dangers. This program could be a useful resource when studying the particle theory of matter.

Audio

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 ...

Audio

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 ...

Audio

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.

Audio

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.

Audio

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 ...

Audio

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 ...

Audio

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.

Audio

CERN legend stuff of angels and demons

This ABC article or podcast by Dr Karl describes and outlines the role of the particle accelerator, the Large Hadron Collider and how it is helping to research the nature of mass. This article is dated (2008) as some significant results from the Large Hadron Collider have since been announced.

Audio

WA students compete in US BioGENEius challenge

Yasmin Soliman and Kayla Mizzi are the two high school students who are finalists from Western Australia for the BioGENEius challenge in Atlanta Georgia. Both girls share their research and enthusiasm for science. Download the audio or view the transcript of this ABC radio interview.

Audio

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 ...

Interactive

Equivalent linear algebraic expressions

This is a six-page HTML resource about solving problems concerning equivalence of linear algebraic expressions. It contains one video and four questions, three of which are interactive. The resource discusses and explains equivalence of linear algebraic expressions to reinforce students' understanding.

Video

Languages online: Chinese module one: meet my family - video

This is a short video in Chinese showing a teenage boy visiting a friend's house and interacting with his sisters and his mother. The conversation uses several different forms of greeting, introduction, and questions about family members' ages and occupations. The video is accompanied by a script that can be toggled to ...

Interactive

Number patterns

This is a five-page HTML resource about solving problems with number patterns. It contains two videos and six questions, one of which is interactive. The resource discusses and explains solving problems with number patterns to reinforce students' understanding.

Interactive

Nets of three-dimensional solids

This is a five-page HTML resource about solving problems with nets of three-dimensional solids. It contains one video and three questions, two of which are interactive. The resource discusses and explains solving problems with nets of three-dimensional solids to reinforce students' understanding.

Video

How to grow a pair of jeans

This is a slideshow for primary students that traces the steps in cotton production and processing from seeds to jeans. The ten slides in the show use photographs and relatively simple text to cover ground preparation for the cotton crop; seed planting; irrigation and the efficient use of water by Australian cotton farmers; ...

Interactive

Rotations of two-dimensional objects

This is a four-page HTML resource about solving problems concerning quarter turns of two-dimensional objects. It contains four questions, one of which is interactive, and one video. The resource discusses and explains quarter turns to reinforce students' understanding.

Interactive

MoneySmart: Teaching resources for VET

ASIC's Be MoneySmart is an online training resource for VET students and senior high school students. It helps students to develop money management skills which support their future careers in small business or as contractors. It consists of five online modules: Saving, budgeting and spending; Personal tax; Superannuation; ...