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.
Marine researcher Sheridan Rabbitt reveals the role seagrass plays in an ecosystem, demonstrates how researchers study the health of seagrass beds, and explains why the underwater meadows are important to humans on land.
Bionic technology is focused on making peoples' lives better, and finding new ways to let people disabled people experience the world just like everyone else. Find out how much of the human body can now be replaced with bionic parts.
Following the announcement that Coles and Woolworths will be phasing out single-use plastic bags, Mornington Peninsular schoolgirl Meg explains why such plastics are bad for the environment and how she has campaigned to stop shops using them.
Physical preparation coach James Karageorgiou explains how athletes at the Victorian Institute of Sport use temperaturebased hydrotherapy, hotwater immersion and massage to minimise and manage fatigue.