Health experts have agreed a bigger emphasis on plant-based nutrition would improve the health of people and our planet, at a UNSW Sydney panel discussion for National Science Week.
Immigration is neither the problem nor solution in many areas where Australia is off-track, from government debt to environmental action.
Sentiment can skew logic when it comes to using our natural resources, writes Raja Junankar.
With few exceptions, humans require assistance at birth, usually from an experienced elder, midwife or medical practitioner, and it seems assisted birth is also common among other primates, writes Darren Curnoe.
In 35 years, Sydney's population will hit 8 million. Sue Holliday argues there are six ways the city can be transformed by 2050 to increase liveability and affordability.
When it comes to population there's disagreement about whether big really is better. In the latest issue of Uniken, some of our leading academics enter the debate on a "sustainable Australia".