Rising Sea Paragraph 1 – INCREASED TEMPERATURES The average air temperature at the surface of the earth has risen this century, as has the temperature of ocean surface waters. Because water expands as it heats, a warmer ocean means higher sea levels. We cannot say definitely that the temperature rises are due to the greenhouse … more →

Australia and the Great War 1914 – 1918 Australia’s role in the First World War, or the Great War as it was known until 1939, is central to the development of modern Australia’s vision of itself in the world. In many ways it has served to create what is in some ways a second founding … more →

Experience Versus Speed Certain mental functions slow down with age, but the brain compensates in ways that can keep seniors as sharp as youngsters. Jake, aged 16, has a terrific relationship with his grandmother Rita, who is 70. They live close by, and they even take a Spanish class together twice a week at a … more →

Robotic Approach To Crop Breeding Jennifer Manyweathers takes a look at a robot that is being used to identify drought-tolerant crop varieties A The Australian sunflower industry is the major source of polyunsaturated fatty acids found in margarine and spreads. Recognized as the type of fatty acid most able to protect against heart disease, it … more →

How Consumers Decide Professor John Maule from the University of Leeds describes new research into the way that consumers choose a product. Understanding consumers Consumers are creatures of habit: they buy the same products time and time again, and such is their familiarity with big brands, and the colors and logos that represent them, that … more →

Jumping Spiders Peter Aldhons examines how Portia spiders catch their prey A For a stalking predator, the element of surprise is crucial. And for jumping spiders that sneak onto other spiders’ webs to prey on their owners, it can be the difference between having lunch and becoming it. Now zoologists have discovered the secret of … more →

The Nature and Aims of Archaeology Archaeology is partly the discovery of treasures of the past, partly the work of the scientific analyst, partly the exercise of the creative imagination. It is toiling in the sun on an excavation in the Middle East, it is working with living Inuit in the snows of Alaska, and … more →