Might consciousness and free will be the aces up our sleeves when it comes to competing with robots?
We are far from defenceless against the rise of robots, although they'll take many of our routine jobs. Our special strength is our ability to apply rules that don't exist.
Unlike a car, you can't just stick a battery-powered engine in a plane and expect it to fly. Despite that, small planes might be the future of electric flight.
There are plenty of barriers, but if we really want to we can feed the world on plant protein (largely from legumes).
The thin layer of soil on our planet's surface ultimately sustains us all, but it's a finite resource. With a growing global population, perhaps it is time to start looking for alternatives.
Governments' lack of response to rising inequality is not a problem of knowledge or public support.
China’s rise as a global power is driving new flows of people, ideas and capital between China and Australia. Australian cities need to adapt to this new geopolitical reality.
Central City 2048 proposes one new rail line, three metro lines and almost 300,000 extra jobs for the new CBD, one of three proposed for metropolitan Sydney. Clearly, the investment needed is massive. Part two in this series by University of Sydney's Dr Tooran Alizadeh.
The Greater Sydney metropolis is envisaged as having three CBDs by mid-century, but an assessment of the proposed Central City around Parramatta shows how much work is needed to make that a reality.
Humans are poor at remaining vigilant over time. That's bad news for the safety of partially automated cars, which sometimes need the person behind the wheel to quickly take over control.
Women in investment management face sexist treatment and no accommodation of parenting responsibilities. That's bad news for a sector critical to all Australians’ economic security.
Brazil has set itself a target of restoring almost 50,000 sq km of the Amazon rainforest by 2030. But it won't get there without changing its policies and how it engages with local people.
In the 70s, Whitlam tried to build new, big cities. But this was too costly. Now the most viable solution for Australia's population woes is to make existing cities bigger.