As age discrimination continues to be widespread in Australian workplaces, some people are concealing their age to avoid unwanted assumptions, writes South Australian researcher Justine Irving.
Doctor Who takes an ethical stance towards alien life, so why isn't he vegan? Kate Stewart and Matthew Cole examine the Doctor's moral consistency.
While this week's energy focus turned to the Snowy Hydro scheme, Roger Dargaville argues South Australia's electricity grid could benefit greatly from a similar project using seawater.
While global debate is raging about the ethical conundrums of driverless cars, few people are talking about the endless possibilities they offer. Robotics expert Jonathan Roberts outlines some surprising and revolutionary ideas.
The federal Liberal Party is unravelling and there's no evidence that it has a leader within its ranks with the skills to bring it back together, argues political scientist and historian James Walter.
Australian policy-makers should be wary about rushing into increased gas production to solve our power woes, writes Dylan McConnell.