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Gagging clauses in contracts permit purchasers of research to modify, substantially delay, or prohibit the reporting of findings. stallio/Flickr

Governments shouldn’t be able to censor research results they don’t like

Government departments often commission research to help them understand and respond to policy issues. But they impose contract conditions that threaten to undermine the integrity of the work.
Usually I feel on edge during flight turbulence but recently I employed several techniques that helped to calm me down. Dawid Cedler

High anxiety: how I use mental exercises to ease my fear of flying

Many who suffer from anxiety tend to blame themselves for their “tricky” brains. Compassion-focused exercises can soothe horrible bouts of anxiety, as they did for me on a recent trip home from Bali.
The World Heritage Committee’s deliberations involved far more than a simple tick for the Great Barrier Reef. Jon Day

Not out of hot water yet: what the world thinks about the Great Barrier Reef

Australia was spared the ignominy of having the Great Barrier Reef listed as officially in danger. But comments from member countries of the World Heritage Committee show the world is still worried about it.
Treasurer Joe Hockey has ruled out changes to negative gearing, but the policy advantages some taxpayers over others. AAP/Joel Carrett

Why negative gearing is not a fair tax policy

Almost 1.3 million Australian taxpayers use negative gearing. But the policy is inherently unfair.
Waterbugs are used for the monitoring of river ecosystem health across the world. Amanda Woodman

How healthy is your river? Ask a waterbug

Around the world, waterbugs are the most widely-used indicator of environmental health and pollution of rivers, lakes and wetlands.
Breaking down the colours in the star light can reveal more about what you are looking at. Flickr/Indigo Skies Photography

Explainer: seeing the universe through spectroscopic eyes

Astronomers can tell a whole lot more about a star or a galaxy if they break up the visible light in a rainbow of colours.
The 2015 Wynne Prize winner is Natasha Bieniek, with Biophilia, oil on dibond. © Natasha Bieniek. Photography courtesy of © AGNSW, Diana Panuccio.

Congratulations Natasha Bieniek, but the Wynne Prize is deeply flawed

The Wynne Prize has been notoriously male-dominated. What does this year’s winning artwork by Natasha Bieniek tell us about the nature of this particular award and how we can improve it?
The extensive preparations for Joaquín Guzmán Loera’s escape from the maximum-security Altiplano prison took place within sight of its watchtowers. AAP/Newzulu/Irving Cabrera Torres

‘El Chapo’ jailbreak is both a Mexican and an American story

‘El Chapo’s’ jailbreak seemingly confirms American narratives that represent Mexico as a corrupt, sluggish and failing state. Overlooked is America’s own role in the rise of powerful drug cartels.
It’s unsurprising that Tony Abbott grabs onto any scrap of Labor’s planned emissions trading policy, but the crudity of the attack insults the public’s intelligence. AAP/Lukas Coch

Grattan on Friday: Our system is being consumed by the politics of demolition

Tony Abbott strode down the parliamentary press gallery corridor towards the welcome bank of cameras. A Labor options paper on carbon pricing had appeared in tabloids, under derogatory headlines.
Reclaim Australia supporters at the April rallies displayed a mix of liberal and anti-Muslim slogans. Irfan Ahmad

Reclaiming Australia? Liberalism’s role in Islamophobia

If Reclaim Australia were rallying Muslims, the liberal media would examine its religious inspirations. Yet the media treat its supporters as disgruntled individuals rather than Christian representatives.
Opposition leader Bill Shorten and Shadow Environment Minister Mark Butler say the ALP supports renewables but haven’t yet decided whether and how to price carbon. AAP Image/Alan Porritt

The latest turn in the twisty history of Labor’s climate policies

Labor says it hasn’t yet decided what climate policy to take to the next election, although this week’s leak has bolstered the idea that it will involve carbon pricing – a subject with a long and vexed history for the party.
A biogas plant in Queensland. NH Foods Oakey Beef Exports

Bioenergy: making money, and clean energy

The government has issued a draft direction to the Clean Energy Finance Corporation to invest in “emerging” clean energy such as bioenergy. But what are the prospects for bioenergy?
What could be out there? That question eventually led to the discovery of Pluto. ESO/L. Calçada

Finding Pluto: the hunt for Planet X

The existence of a “Planet X” in the outer solar system was the subject of great speculation, and was finally settled with the discovery of Pluto in 1930.
Syphilis outbreaks tend to occur in marginalised populations where there is a lack of affordable, appropriate and culturally acceptable health care. yaruman5/Flickr

Northern Australia syphilis outbreak is about government neglect, not child abuse

The syphilis outbreak in Central Australia is not about child abuse. But it highlights the urgent need for investment in sexual health services for Aboriginal Australians living in remote areas.
Not all bees are honeybees. This is a green ‘sweat’ bee. Ian Jacobs/flickr

Losing bees will sting more than just our taste for honey

Data from all over the globe suggest that bees are in decline, and we may lose a lot more than honey if bees are unable to cope with the changing climate and increasing demand for agricultural land.
Thomas Piketty’s book provides new tools to consider the property status of animals in contemporary society. Morgan Lieberman

Piketty’s Capital should force a rethink on animals as property

Should animals be treated like other forms of property such as land, machinery and “stocks”? What role do animals that are owned by humans play in the concept of global wealth?
The cycles of nutrients into the oceans following the building of mountains may have been a prime driver of evolutionary change. John Long, Flinders University

Plate tectonics may have driven the evolution of life on Earth

The rise and fall of the essential elements for life could have influenced the way life evolved over many millions of years.