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There’s a lot of prestige to volunteering at the Olympics – working Tuesday mornings at the Salvo shop may not offer the same rewards. London 2012

Volunteering at the Olympics is a thrill, but will it last?

Without volunteers, the Olympics would be a disaster. But will the “Games Makers” - the army of 70,000 Olympic and Paralympic volunteers - stimulate a spirit of volunteerism in and beyond London? Volunteering…
Focusing on weight as the problem and weight loss as the solution makes social and economic inequalities invisible. Isaac Brown Stocky Bodies

How anti-obesity campaigns reinforce stigma

Anti-obesity messages are everywhere – in news, in entertainment, and in public health campaigns. We are constantly being told that fat is bad for us, and that in order to be healthy we need to lose weight…
Print advertising from the LiveLighter Western Australia’s anti-obesity campaign.

What does the yuck factor achieve in anti-obesity campaigns ?

The most recent Australian anti-obesity measure, the West Australian LiveLighter campaign, features a series of shocking television advertisements, including one showing a middle-aged man in his kitchen…
Many people with chronic hepatitis B in Australia were born in nearby countries where vaccination is still not provided to many children. Andrew W. McGalliard

Why Australia needs to support its neighbours to stop hep B

Of the more than 175,000 people living with chronic hepatitis B infection in this country, the majority were born overseas in high prevalence countries. Most have come from Asia and the Pacific, a region…
Presumptice Republican presidential candidate Mitt Romney managed to offend his British hosts on his recent visit. EPA/Neil Munns

Romneyshambles: how not to win foreign friends and influence important people

On its trip abroad, the Mitt Romney campaign would have done well to heed the advice US presidential candidates are given in a selecting a VP: “First, do no harm.” Upon arrival in the United Kingdom, however…
If reports saying Julia Gillard reached a deal on media self-regulation are correct, it’s business as usual for media proprietors. AAP

Fear mongering over free speech taints the truth about media regulation

It seems that Prime Minister Julia Gillard and the gang of seven media bosses have buried their hatchets, reaching a compromise on media regulation. It’s to be business as usual, behind the starched-up…
Tony Abbott is seeking credibility on foreign policy issues, but his recent rhetoric on China has done him few favours. AAP

Abbott’s stance on China needs to evolve with the times

Opposition Leader Tony Abbott’s recent overseas trip to help burnish his international credentials has revealed more of the potential direction of the Coalition’s foreign policy. Following his visit to…
Tree rings from around the time of Christ suggest warmer regional temperatures than those between the 1950s to the 1980s, but this does not imply higher mean global temperatures. Flickr/Petrified Forest Ranger

On tree rings, CO2 levels and the Pliocene

A study of tree-ring data recently found that in some regions temperatures during Roman times (21AD to 50AD) were 1.05 degrees Celsius higher than the 1951-1980 mean. The paper’s lead author, Professor…
“Most people just get used to the concept and get on with their lives.” Roger McLassus

Explainer: what is wave-particle duality

Our notion of reality is built on everyday experiences. But wave-particle duality is so strange that we are forced to re-examine our common conceptions. Wave-particle duality refers to the fundamental…
These Hadza hunter-gatherers have the same energy expenditure as modern Americans. Andreas Lederer derivative work: Joey Roe

Does hunter-gatherer history point to the cause of obesity?

Imagine this scene – a personal trainer barking at his flabby pen-pushing charges to push themselves through the pain barrier and climb those steps because “the human body wasn’t designed to sit at a computer…
Goodnight, sleep tight? Not if these critters have anything to do with it. Lynn Friedman

VIDEO: bed bugs at London 2012

In a co-production between SBS World News Australia and The Conversation, University of Sydney’s Cameron Webb explains why bed bugs will almost certainly bite at the London Olympics. It’s creepy. Enjoy…
Campbell Newman’s linking of Queensland’s dire financial situation with that of Spain saw quite a backlash, but is there an underlying element of truth? AAP

Perfect one day, bankrupt the next? Queensland’s missing fortune

Comments by Campbell Newman that Queensland was on the way to bankruptcy are, unfortunately, true. His comment that “Queensland does not have the money…” is globally true - but clearly specifically arguable…
Health claims are commonly exploited to promote the consumption of highly processed foods. Flickr / ajleon

Health claims on food products: ministers put marketers in control

Australian and New Zealand ministers responsible for food regulation last week bowed to lobbying from processed food manufacturers and agreed to permit them to market products with general level health…
Even the most avid TV Olympian can avoid ending up like this. Henti Smith

Olympics sleep survival guide

It’s half-time in the gold medal women’s basketball game, and the Opals lead the USA by a point. Lauren Jackson, the best female basketballer in the world, has dominated the first half in the same way…
US-led enthusiasm about so-called “smart drugs” may be problematic. rafa2010

Ritalin rising? Let’s be smarter about ‘smart drugs’

Do so-called “smart pills” enhance performance in students? Are they part of a widespread, growing phenomenon? You would be forgiven for thinking so. In a recent article on The Conversation, Simon Outram…
Circumcising boys in the neonatal period using local anaesthesia maximises benefits and safety. TheGiantVermin/Flickr

Male circumcision policy ignores research showing benefits

For some time now, all the departments of health in Australia have based their policy on male circumcision on reviews of the scientific literature carried out periodically by the Royal Australasian College…
World of bag people: a million a minute are used globally, with Australians churning through almost one a day on average. Flickr/Heal the Bay

Plastic, like diamonds, is forever: time to use fewer bags

Between 30 million and 50 million plastic bags enter the environment as litter in Australia each year. These environmentally damaging bags - produced to be used once and then thrown away - are a symbol…
Provocative artworks, such as Wim Delvoye’s Cloaca, have drawn a steady stream of tourists to multi-billionaire David Walsh’s Museum of Old and New Art in Hobart. AAP

Sex, death and taxes: how should the tax system treat MONA founder David Walsh?

It was March last year when I sat down in the chaotic New York office of a leading international tax attorney to conduct an interview for a book I was writing on the campaign against tax havens. But rather…
Drug kingpin Carl Williams cut a plea bargain with Victorian authorities before being murdered in jail. AAP/Julian Smith

Plea bargains and the efficiencies of justice

In 2007, the infamous underworld figure [Carl Williams](http://en.wikipedia.org/wiki/Carl_Williams_(criminal) pleaded guilty to one count of conspiracy to commit murder and three counts of murder, on the…
It would be smarter to use perennial native grasses for cereal grains instead of relying on a handful of farming-intensive annual crops. Shown here is Curly Mitchell grass (Astrebla lappacea), common in northern Australia. Ian Chivers

Splendour in the grass: new approaches to cereal production

Any investment manager will tell an investor to spread risks, to have a diverse portfolio, to engage with many sectors of the local economy, to invest in other parts of the globe, to hedge your bets, a…