Behind The News explains what the Great Barrier Reef is and reveals the three main threats to one of the seven wonders of the natural world: storms, crown of thorns starfish, and the global warming responsible for coral bleaching.
The Queensland University of Technology's Laura Gregory describes some of the different bones in the human body, how they fuse together as we grow up, the relationship between calcium and collagen, and the differences between male and female skulls.
Maleny Dairies' Kay Hollyoak describes the process of turning milk into yoghurt, including homogenisation, pasteurisation, adding acidophilus and bifidus bacterium, and reveals why such bacteria is good for people.
Geographically the world can be divided into five oceans, the Pacific, Atlantic, Indian, Southern and Arctic. These oceans cover around 70 percent of the earth and although we can't measure it exactly, it is estimated to have a volume of 1370 million cubic kilometres.
Have you ever wondered why your hair is black, blonde, brown, or even red Or why you have certain coloured eyes Is it predetermined, or is it just the luck of the draw Dr Rick Sturm a molecular geneticist from the Institute of Molecular Bioscience explains how our appearance is determined by a very complex code!