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Podcasters can introduce new voices to the conversations about the cities we live in. Salim October/Shutterstock

Podcasts and cities: ‘you’re always commenting on power’

Podcasters are creating new conversations about who and what the city is for. But even in the podcasting world, powerful interests can make it hard for new and previously excluded voices to be heard.
The Islamic State claimed responsibility for the Sri Lanka bombings – a clear signal the group is reforming in other parts of the world after its defeat in Syria and Iraq. M.A. Pushpa Kumara/EPA

Islamic State has claimed responsibility for the Sri Lanka terror attack. Here’s what that means

The deadly Sri Lanka attacks show a return to the coordinated, sophisticated strikes employed by al-Qaeda in the 2000s, focusing on soft targets with vulnerable institutions.
Research has shown psychedelic drugs can have a positive effect on a range of mental health conditions, but there are side effects. From shutterstock.com

Psychedelics to treat mental illness? Australian researchers are giving it a go

Australia is about to start its first trial of psychedelic drugs for the treatment of anxiety and depression. If the results are positive, this could transform the way we treat mental illness.
Before Australia elects a new PM to manage the country’s foreign relations, it’s vital to have a bigger debate on foreign policy, so voters know how each candidate would lead. Mick Tsikas/AAP

Foreign policy should play a bigger role in Australian elections. This is why it probably won’t

There have historically been few key points of difference on foreign policy during elections. Despite daunting challenges on the global stage, this year’s election campaign looks to be much the same.
Descendants of soldiers who fought in the Australian Light Horse Brigade took part in a reenactment to commemorate the 100th anniversary of the battle of Beersheba in Israel in October 2017. Dan Peled/AAP

Telling the forgotten stories of Indigenous servicemen in the first world war

In Aboriginal and Torres Strait Islander communities, Anzac stories are often coloured by racism and ongoing injustices that negate the myth of Anzac ‘mateship’.
The spectacular layers of blue haze in Pluto’s atmosphere, captured by NASA’s New Horizons spacecraft. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Why Pluto is losing its atmosphere: winter is coming

The dwarf planet Pluto is heading away from the Sun and that’s having a devastating impact on its atmosphere.
Claims of ‘fake news’ and misinformation campaigns have already arisen in the federal election campaign, a problem the political parties and tech companies are ill-equipped to address. Ritchie B. Tongo/EPA

‘Fake news’ is already spreading online in the election campaign – it’s up to us to stop it

New regulations have been rolled out to counter the spread of misinformation during the campaign, but these steps will largely be ineffective in the fast-moving social media sphere