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Cities are places of integration, intense population pressures, migration flows, cultural interactions and variations in socio-economic positioning and values. But what makes them liveable? Mick Tsikas/Reuters

Liveable cities: who decides what that means and how we achieve it?

A liveable city has become the highest form of praise we can give to a city space. But we need to discuss what that means and who gets to participate in the process of governing and shaping a city.
Regional students won’t necessarily be able to access the course they want to study. www.shutterstock.com

Four barriers to higher education regional students face – and how to overcome them

High school drop-out rates combined with costly travel and living expenses puts regional students at a disadvantage when applying to universities in Australia.
Research into the way emotions spread through online social networks shows that happiness is contagious. www.shutterstock.com

Smiles all round: why sharing happy news is good for you and everyone you know

Research shows that when people share happy news on social media, they make their friends - and extended social network - happy too. Picking up on this trend is a new swathe of “good news” websites.
Chinese artist Ai Wei Wei’s deft use of social media has enabled him to gather worldwide support in his fight against censorship. AAP One

The building blocks of dissidence: Chinese artist Ai Weiwei and #Legogate

What makes Ai Wei Wei so powerful? Critics say if he didn’t exist, he’d need to be invented: an artist who’s combined his life and art into a politically charged performance that helps define how we see modern China.
Alan Finkel is a well respected member of the Australian scientific community. AAP Image/Alan Porritt

Reaction: Alan Finkel to be Australia’s next Chief Scientist

The scientific community reacts to the news that Dr Alan Finkel has been appointed Australia’s New Chief Scientist as of 2016.
To limit global warming to 2C we can’t emit more than another trillion tonnes of greenhouse gases. Burning fossil fuels is a major source. Coal power image from www.shutterstock.com

Most countries need to at least double their efforts on climate: study

Current climate pledges will see the world warm more than 2C. To avoid dangerous climate change countries will need to at least double their efforts.
Time for children to start learning how to build robots? www.shutterstock.com

Five reasons to teach robotics in schools

Technology is critical for innovation, yet schools struggle to get students interested in this area. Could teaching robotics change this?