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Glucosamine for osteoarthritis is one of the most commonly used complementary medicines in the western world. from www.shutterstock.com

Science or Snake Oil: is glucosamine good for joints?

There is evidence glucosamine can provide relief in osteoarthritis patients, but not enough to support its use as a preventative.
Police at the scene in Ellenbrook, Western Australia, where the bodies of a mother and her two children were found. Her 19-year-old son has since been charged with their murder. AAP/Bohdan Warchomij

Explainer: what is parricide and how common is it in Australia?

The murder of a parent by their child, known as parricide, is a relatively uncommon form of family violence. We need to know much more about it to better understand and prevent it.
Treasurer Scott Morrison may be happy with a budget in balance by 2019-20, but the rising burden on individual taxpayers is a worry. Mick Tsikas/AAP

Rising reliance on personal income tax signals need for bolder reforms

Personal income taxpayers are shouldering more of the burden, while less revenue is coming from taxes on companies, capital and consumption. Only major reforms will change these sustained trends.
Euphanerops, a primitive jawless fish from the World Heritage site at Miguasha, Quebec, which has now been found to have paired hind limb structures and copulatory sex organs. François Miville-Deschênes with permission

The origins of those sexual organs: a fishy tale much more primitive than we thought

Sexual organs similar to what we see in sharks and rays today appeared many millions of years ago in much more primitive ancient fishes than was previously thought.
Studies examining pain are hard to judge, since they’re based on participants’ self-reported pain levels. from www.shutterstock.com

Does osteopathy work?

There’s some evidence osteopathy can reduce the need for pain medications.
Most Australian children have such a glut of toys that parents are opting to give them gift cards so they can choose for themselves. rawpixel/Unsplash

No presents, please: how gift cards initiate children into the world of ‘credit’

Many children receive gift cards or even ask for them so they can choose their own presents. But are youngsters ready to handle the wiles of advertisers and the complexities of ‘credit’ on a card?
Murri sculptures (2012) by Reko Rennie (Kamilaroi) at Melbourne’s LaTrobe University. LaTrobe University

Ten classics of Indigenous design

From the Budj Bim acquaculture system to the Aboriginal flag, Australia has a long history of Indigenous design excellence. Here is our pick of 10 contemporary design classics.
Australia could sustain wild rhinos, but should it try? Renaud Fulconis/International Rhino Foundation

The case for introducing rhinos to Australia

Would you pay to see rhinos in Australia’s savannas or forests? It’s not as crazy as it sounds – and could help save collapsing rhino populations.
But is it art…? Fast-car fans Maurice and Harry in the Art Gallery of New South Wales in ABC’s Everyone’s A Critic. ABC

When art meets reality TV our visual literacy is found wanting

The ABC’s reality TV show Everyone’s A Critic puts ‘everyday’ Australians in galleries. It is a compelling premise for an art show, but a tad disappointing.