Mitochondrial DNA offers an incomplete picture of people's ancestry, and consumers and scientists alike should be aware the technology promises much more than it can deliver, writes Darren Curnoe.
Scientists have a responsibility to convince the public and political parties to support curiosity-driven research to help solve the challenges of the future, writes Merlin Crossley.
The idea that we can achieve happiness by maximising pleasure and minimising pain is both intuitive and popular, but untrue, writes Brock Bastian.
All food-borne disease outbreaks are frightening, but the good news for this one is that hepatitis A is rarely life-threatening, writes Peter White.
New results confirm we are on the right track to understanding how molecules that coat DNA influence the activity of disease genes, writes Merlin Crossley.
Imagine how easy life would be if you could produce offspring without a mate, write Angela Crean, Nathan Burke and Russell Bonduriansky.
Take care lovers, wherever you are, as Valentine’s Day can be a day of broken hearts and broken wallets, writes Lisa Williams.
UNSW scientists have achieved a world first, publishing the complete DNA sequence of the Queensland fruit fly – a development that will improve both biosecurity and methods for controlling this global horticultural pest.
It will not be simple or cheap, but fencing dams in arid areas could create "cane toad breaks" to halt the march of these invaders across the continent, writes Mike Letnic
Erecting fences to stop cane toads entering man-made dams to cool down in hot, dry parts of Australia is an effective way to stop their spread, UNSW-led research shows.