Physics says a skyscraper can be made of wood. There are also some good reasons it should be. Handled properly wood can be the most ethical and sustainable building material there is. And no, fire isn't a deal breaker
Most orthopaedic devices only come in adult sizes, but using biomedical engineering, Dr Tegan Cheng is changing that. Based at Westmead and using 3D printing, her most useful tools are imagination and determination.
Confronting another climate change summer of extremes, it's obvious the future of humans and the health of the environment are inextricably linked. New theories of justice must respond to this ecological entanglement.
Surfaces in nature can be anything from super water-repellent to super slippery, or able to pull water from the air. Now Dr Chiara Neto and her team are working on recreating those surfaces to solve human problems.
Being the director of one of the world's most powerful and forward-thinking, private art organisations isn't a job that many people could do well. For Tim Potts, it's as if he was meant for it.
When an almost universal piece of medical equipment nearly brought tragedy to the birth of her second child, Sarah McDonald decided to build something better. She just needed a PhD in medicine to do it.
Not all famines are caused by droughts, floods or wars. In Bangladesh, famines are driven by unemployment. Shyamal Chowdhury grew up seeing the devastating consequences. Now he might have a solution.