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Malcolm Turnbull explicitly chose to assume the mantle of his predecessor Tony Abbott as ‘prime minister for Indigenous affairs’. AAP/Mick Tsikas

Can Turnbull change course in Indigenous affairs?

For many, relations between Indigenous Australians and the government are best described as being in a state of crisis.
A price on carbon introduced by the Labor government, dubbed the “carbon tax”, was more effective at motivating big emitters to act, compared to the current Direct Action plan. Mick Tsikas/AAP

Direct Action not as motivating as carbon tax say some of Australia’s biggest emitters

New research has found that carbon intensive companies have lost focus on reducing emissions under Direct Action, when compared with the carbon tax.
The suggested new scheme aims to cut emissions from the electricity sector while sidestepping the political poison of increased power prices. AAP Image/Julian Smith

The Climate Change Authority’s gamble on political pragmatism

A new “toolkit” of suggested climate policies looks politically feasible, but it’s too complicated and not ambitious enough to drive a real move to a low-carbon economy.
Thousands of people in Bali have joined a movement to reject land reclamation in Benoa Bay. Supplied

Beneath the surface of tourism in Bali

Mass tourism in Bali is causing the island to face imminent groundwater crisis.
Does this rock painting, featuring a long, white gun, depict first contact? Is it a work of history? Author provided

Friday essay: on listening to new national storytellers

Australian history is already a hotly contested discipline but is it time to broaden our definitions of the canon? Might an indigenous rock painting or a novel or a poem constitute a work of history?
The HI-SEAS mission gives people a chance to practise on Earth what life would be like on Mars. A crew member here from the 2015 mission. Flickr/University of Hawaii/HI-SEAS

Human trials on Earth are the key to how we will survive on Mars

What’s the best way to find out how people will cope with the journey to Mars and life on another planet? Lock a test crew up for a year in a simulation right here on Earth.
Sam Dastyari’s credibility has been compromised by the controversy around his relationship with Chinese benefactors. Mick Tsikas/AAP

Grattan on Friday: Labor’s Sam Dastyari suffers Chinese burn

The press gallery’s mid-winter ball, held on Wednesday, has become an institution. It raises money for charities as well as being an all-round good knees-up for media and politicians.
A common mosquito in coastal regions of Australia, Aedes vigilax. Could it be spreading the pathogen that causes Buruli ulcer? Mr Stephen Doggett (NSW Health Pathology)

Are mosquitoes to blame for the spread of ‘flesh-eating’ bacteria?

A rise in cases of the mysterious “Bairnsdale ulcer” in coastal Victoria has health authorities on alert and scientists investigating the role of mosquitoes in the spread.
Overfishing can teach us valuable lessons about ecosystem resilience. Andreas Altenberger/Shutterstock.com

Humans are experimenting with the planet, so let’s make sure we learn along the way

Large-scale natural experiments such as oil spills, tsunamis and climate change are things you wouldn’t want to do on purpose. But that doesn’t mean they’re not scientifically useful experiments too.
The 1972 Panasonic Toot-a-Loop portable radio was inspired by rotary phones and designed to be worn around the wrist.

Briefcase phones, bracelet radios and other obsolete design gems

Here’s to the Kodak camera, the transistor TV, the portable typewriter and other casualties of a throwaway age. They may be old hat but they are objects of beauty, as a new exhibition shows.
Susan Alberti (left) and Debbie Lee were pivotal to the formation of the national women’s AFL competition. Melbourne Football Club

Change Agents: Susan Alberti and Debbie Lee on establishing a national women’s football league

Change Agents: Establishing a national women’s football league The Conversation, CC BY-NC-SA45.9 MB (download)
Andrew Dodd talks to Susan Alberti and Debbie Lee about their fight to overcome prejudice and establish a national women's AFL competition.