RMIT's Dr. Ian Storey teaches risk and prospect theory. Here he discusses risk assessment for companies, explaining the psychology of risk analysis and how it's not just a matter of maths, there's plenty of psychology too.

Our weekly news round-up: Elon Musk backs #deletefacebook campaign by taking down Tesla and SpaceX pages; Tim Cook tells China Development Forum new regulations are needed to protect privacy online; Australia to deploy wind and solar powered ocean research drones; Great Pacific Garbage Patch far bigger than previously thought; Millions of Spotify users have ad blockers to avoid paying for the service; Smart farms showcased in Sydney; Google Chrome cracks down on autoplay video ads; Samsung Pay connects Australia's big banks into its NFC payment system.

Where do devices like Google Home, Home Pod or Alexa store all the data they collect about your life at home? What protections should exist for users of this technology?

With John's purchases safely landed from America, he concludes his look at the ins and outs of Australia Post's ShopMate service.

Where do devices like Google Home, Home Pod or Alexa store all the data they collect about your life at home? What protections should exist for users of this technology?

Our weekly news round-up: Platypus milk could help battle antibiotic-resistant bugs; Bantu archaeology aids study of gap in Earth's magnetic field; Murchison Radio Astronomy Observatory peers back almost to the time of the Big Bang, shedding light on poorly understood Dark Matter; VR providing the 'gamification of learning'; Kitty hawk autonomous planes to be tested for official certification in NZ; Send your name to the Sun aboard NASA's Parker Solar Probe; Sydney bio-hacker with implanted public transport pass loses court case; Google Maps to include wheelchair accessible routes; Oculus Rift headsets suffer major outage; Uber self-driving car kills pedestrian in Arizona; Facebook shares drop amid concerns of misuse of users' data.

Dr Ian Storey walks us through the late cosmologist's career highlights. He also explains Hawking's strong belief in the benefits of the National Health Service and some of the practical applications of his theoretical work in physics.

Dr Ian Storey walks us through the late cosmologist's career highlights. He also explains Hawking's strong belief in the benefits of the National Health Service and some of the practical applications of his theoretical work in physics.

Our weekly news round-up: Platypus milk could help battle antibiotic-resistant bugs; Bantu archaeology aids study of gap in Earth's magnetic field; Murchison Radio Astronomy Observatory peers back almost to the time of the Big Bang, shedding light on poorly understood Dark Matter; VR providing the 'gamification of learning'; Kitty hawk autonomous planes to be tested for official certification in NZ; Send your name to the Sun aboard NASA's Parker Solar Probe; Sydney bio-hacker with implanted public transport pass loses court case; Google Maps to include wheelchair accessible routes; Oculus Rift headsets suffer major outage; Uber self-driving car kills pedestrian in Arizona; Facebook shares drop amid concerns of misuse of users' data.

With heritage status confirmed, government funding will be provided for the preservation of this important part of Australia's engineering heritage. According to Graeme Hanigan, who was pivotal in securing the grant, insights about the promise of solar energy gained from the project - and teaching this to future generations - is the main reason to preserve the outback site at White Cliffs in Western NSW.