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Asteroid impacts make for impressive images and movies, but how realistic is the threat? NASA

How to avoid an asteroid impact (without calling in Bruce Willis)

How many times have you read a headline about our impending doom due to a “Deep Impact”-style annihilation? In a way it’s not surprising – we have an insatiable appetite for disaster stories, a hunger…
A hedonic response working in concert with our primary tastes encourages consumption. amanda tipton

Recipe for disaster: creating a food supply to suit the appetite

OBESE NATION: It’s time to admit it - Australia is becoming an obese nation. This series looks at how this has happened and, more importantly, what we can do to stop the obesity epidemic. Today we look…
Highly processed and fattening but very tasty and easy to get food is partly responsible for the obesogenic environment. Toban Black

What’s economic growth got to do with expanding waistlines?

OBESE NATION: It’s time to admit it - Australia is becoming an obese nation. This series looks at how this has happened and more importantly, what we can do to stop the obesity epidemic. Today we look…
Tangled up in ourselves: facing up to the fundamental shortcomings of our intellect and science is necessary if we are to limit the damage we do. Flickr/sergiohs391

Ecology is failing and needs to be freed from our limitations

The splendour of nature diminishes day by day despite the strenuous efforts of ecologists and all manner of scientific understandings and interventions. Biodiversity is in decline, and crucial resources…
Could online peer to peer lenders compete with major banks? Flickr: Alan Levine

Could peer-to-peer lending challenge our banks?

In a recent speech, Bank of England executive director Andy Haldane has said that peer-to-peer (P2P) lending through online sites has the potential to eventually replace old-fashioned banking. It was followed…
Jeannie Blackburn was the victim of horrific domestic violence from a man commended for heroism. AAP/Julian Smith

The ethics of bravery: why a Black Saturday ‘hero’ lost his award

Last week, I received an email with the subject line: “Bravery award for baby killer.” It urged readers to sign a Change.org petition calling on the Royal Humane Society of Australia to rescind a bravery…
The media tends to portray Chinese achievements as lacking credibility. Trey Ratcliffe

Does the Chinese emissions ‘error’ matter?

Recent analyses that China’s carbon dioxide (CO₂) emissions might be 1.2 gigatonnes or 20% higher than previously estimated have generated something of a feeding frenzy in the media; and not just the daily…
Glamorising women in science or incredibly offensive? You decide. http://science-girl-thing.eu

Science, it’s a girl thing! But I’ll keep my adjustable spanner

You’ve really got to wonder when even Hollywoodgossip.com is questioning whether the latest European Union campaign to attract girls towards a science career is a spoof. The video being referred to was…
Australia’s approach to pensions and super disadvantages women. HarryetN

Australian census: women are living longer, and on less

AUSTRALIA BY NUMBERS: The Australian Bureau of Statistics has released the first batch of its census data. We’ve asked some of the country’s top demographers and statisticians to crunch the numbers on…
One in four Australians are now obese. But when – and how – did we gain this weight? Kyle May

Mapping Australia’s collective weight gain

OBESE NATION: It’s time to admit it - Australia is becoming an obese nation. Today we launch a series looking at how this has happened and, more importantly, what we can do to stop the obesity epidemic…
Labelling a person as “obese” may not always be helpful in prompting positive changes in behaviour. HighContrast

Explainer: overweight, obese, BMI – what does it all mean?

OBESE NATION: It’s time to admit it - Australia is becoming an obese nation. Today we launch a series looking at how this has happened and, more importantly, what we can do to stop the obesity epidemic…
We all know obesity increases our risk of chronic disease, but how does excess fat actually affect our body?

Explainer: how does excess weight cause disease?

OBESE NATION: It’s time to admit it - Australia is becoming an obese nation. Today we launch a series looking at how this has happened and, more importantly, what we can do to stop the obesity epidemic…
Switching off the beer fridge in the garage when you’re not using it could save you as much as you’ll spend on the carbon tax. Keenan Brown

The carbon tax needn’t cost you: easy ways to cut energy costs

If Treasury modelling is right, about half of household carbon cost will be included in energy bills, which are now about 3% of household expenditure. That means the carbon cost on energy adds about 0.3…
Most reporting still comes from a newspaper: Australia’s media troubles come from a failing commercial model, not a journalistic one.

Australia’s newspaper crisis is a failure of the market, not journalism

“Perhaps the single most dishonest aspect of the New Right’s campaign has been its attempt to rubbish and discredit the public sector.” That’s Keith Windschuttle in his excellent 1983 book, The Media…
Nice sounds – but are you responding to the bass or your basal ganglia? TORIMBC

Beast international: does rock music rouse the animal within?

There’s no doubt rock music evokes excitement, but is there more to that excitement than guitar solos and head banging? Writing in the Telegraph recently, science correspondent Nick Collins remarked: “Rock…
If we’re going to hit our innovation targets, we need to harness growth. nyoin

Challenge 14: the road to innovation transformation

In part 14 of our multi-disciplinary Millennium Project series, Stephen McGrail argues that boosting innovation requires us to change our thinking as much as our technology. Global challenge 14: How can…
Post-marketing studies are often used as ploys to get doctors in the habit of prescribing expensive new medicines. Flickr / Nestle

How Big Pharma opens the market to new expensive drugs

New medicines are often marketed on the basis of clinical trials of limited size and duration. So clinical studies of a medicine after it has reached the market (post-marketing studies) can be a useful…
There will be an increase in Muslim students in both government and independent schools over the coming years. AAP/Alan Porritt

Australian census: schools will struggle with religion changes

AUSTRALIA BY NUMBERS: The Australian Bureau of Statistics has released the first batch of its census data. We’ve asked some of the country’s top demographers and statisticians to crunch the numbers on…