Please Explain


Why do whales strand themselves?
Vanessa Pirotta, Macquarie University marine biologist and whale expert, explains.
What causes a dust storm?
The extraordinary weather that caused dust storms across NSW in November was triggered by a large, swirling low pressure system characterised by strong winds and thunderstorms.
How is interstellar dust formed?
Astrophysicist Tayyaba Zafar, from the new Australian Astronomical Optics team at Macquarie, explains.
What is a laser beam?
Professor Rich Mildren, Deputy Director of the Macquarie Photonics Research Centre, explains.
Why do we dream?
There are many different theories about why we dream, but of all of them, Sigmund Freud’s has proven to be the most provocative. Associate Professor Simon Boag, from the Department of Psychology, explains.
Why do women live longer than men?
Alexandra Bhatti, Associate Lecturer in the Department of Health Systems and Populations, explains.
Will time travel ever happen?
Dr Alessandro Maini, of the Department of Physics and Astronomy, explains.
Why do people hoard?
Associate Professor Melissa Norberg, Deputy Director of Macquarie's Centre for Emotional Health, and colleague Associate Professor Jessica Grisham, explain.
What is a quantum computer?
Associate Professor Gavin Brennen,  of the ARC Centre of Excellence for Engineered Quantum Systems, explains.
What is a lunar eclipse?
Astrophysicist Professor Richard de Grijs explains exactly what happens during a lunar eclipse like the rare spectacle that occured on July 28.
What will the average life expectancy be in 100 years?
Alexandra Bhatti, Associate Lecturer in Public Health in the Department of Health Systems and Populations, explains.
Do mobile phones affect your sleep?
Dr Wayne Warburton, Senior Lecturer, Department of Psychology explains.