Science / Year 9 / Science Understanding / Biological sciences

• TLF-IDM016458

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 ...

• TLF-IDM016754

An interview and visit to a hospital room with Professor Annemarie Hennessy, a medical researcher at the University of Western Sydney (UWS). Annemarie talks to a teacher about her work in researching the relationship between the placenta and the mother's blood pressure, and about her career and future directions.

• TLF-IDM016656

An interview with Adam Cawley, a chemist and scientist from the Royal Australian Chemical Institute, who is an expert in drug testing in sport. Adam talks to a teacher from Killara High School about working as a chemist, and the challenges in drug testing.

• TLF-IDM016773

An interview and tour of the Royal Botanic Gardens of Sydney and its herbarium with Dr Tim Entwistle, a plant scientist and the NSW Government Botanist. Tim talks to a pre-service teacher from Macquarie University about his love of plants, in particular freshwater algae. In the herbarium we find out why it is so important ...

• TLF-IDM016154

This seven and a half minute video segment from Catalyst outlines how the discovery of stem cells in the brain marks a potential breakthrough in understanding the process of ageing in the brain. If brain stem cells can be regenerated through exercise or mental activity, can ageing be delayed?

• TLF-IDM015312

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 ...

• TLF-IDM016446

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 ...

• TLF-IDM016485

This 8 minute video segment from Catalyst shows how research can also help us to optimise our health, especially into older age. It describes an example of how sometimes research gives us mixed messages. Sun exposure helps our body to produce the hormone, vitamin D but it also increases incidence of melanoma.

• TLF-IDM016332

This is a ten question multiple choice quiz that gives students feedback on their understanding of the role of the brain in interpretation of signals and the coordination of behaviour and maintaining humans as functioning organisms. Non-threatening quiz that gives explanations with the feedback.

• TLF-IDM016508

This eleven minute video segment from Catalyst provides a thorough analysis of recent research that demonstrates the relationship between marijuana and psychosis and how marijuana actually affects the brain.