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Since sodium is abundant, battery technology that uses it side-steps many of the issues associated with lithium batteries. Paul Jones/UOW

Charging ahead: how Australia is innovating in battery technology

Demand for energy storage is increasing – both in Australia and around the world. But issues with the production of lithium-ion batteries mean the search is on for alternatives.
An artist’s impression of the predicted merger between our Milky Way (right) and the neighboring Andromeda galaxy (left). So which galaxy will dominate? NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger

When galaxies collide, size matters if you want to know the fate of our Milky Way

Bigger galaxies tend to dominate the smaller, when the two collide. But the pending battle between our Milky Way and the Andromeda galaxy might be a much fairer fight than we previously thought.
Scotty James became the second Australian in Winter Olympic history to win a medal in the snowboard halfpipe event. EPA/Fazry Ismail

What makes a winning halfpipe snowboarder like Scotty James?

Halfpipe snowboarders like Scotty James may seem laid-back and relaxed, but they are subjected to high physical load and fatigue induced by training and competition.
Starting out as a set of demonstrations against university reform, the French uprisings of May 1968 quickly gathered momentum. AAP/EPA/Prefecture de Police Museum

Be realistic – demand the impossible: the legacy of 1968

The protesters who took to the streets of Paris didn’t know what they wanted: they just knew what they were against. But they did make us think that maybe there is another, better world.
One of the paradoxes of wage policy is that ultimately governments are held responsible and blamed for poor results, but governments are but one player in a complex system of wage adjustment. Lukas Coch/AAP

Governments shouldn’t be so hasty in declaring victory on wages policy

History tells us governments do not always get what they wish for, and in fact often perverse outcomes flow from policy choices.
In Altered Carbon, the streetscape reflects the sodden bitumen and garbled neon of Blade Runner’s Los Angeles. Mythology Entertainment, Skydance Television

The dystopian mash-up Altered Carbon is peak Anthropocene TV

The new Netflix sci-fi series, with a gumshoe cyborg as its chief protagonist, mines a host of contemporary anxieties and aesthetic influences.
By the time young people get to university, it’s far too late to be initiating education on sexual consent. Shutterstock

Making sexual consent matter: one-off courses are unlikely to help

Some Australian universities have introduced a one-off sexual consent program to combat sexual assault and harassment on campus, but one-off programs are unlikely to be effective in the long term.
The future of Perth’s urban wetlands is in doubt. Orderinchaos/Wikimedia Commons

Is Perth really running out of water? Well, yes and no

Perth, unlike Cape Town, faces no prospect of its tapwater running out. But other problems lurk beneath the surface, as the city’s drying climate puts increasing pressure on irrigation and wetlands.
Australia’s ambassador to the United Nations, Gillian Bird, makes a statement at the 2016 Habitat III conference, where the New Urban Agenda was adopted. Alexei Trundle

This is why health has to be at the heart of the New Urban Agenda

Australia and other United Nations member states signed up to the New Urban Agenda more than a year ago. But how well is health being integrated into sustainable urban development?