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New electronic devices are being used by people of all ages to track activity, measure sleep and record nutrition. Shutterstock

‘Use this app twice daily’: how digital tools are revolutionising patient care

There were 325,000 mobile health apps available in 2017. But while the digital health revolution is exciting, its rate of development is posing challenges for patients and healthcare professionals.
No questions have been asked about Australia’s knowledge of torture committed by the US. Shutterstock

Why Australia needs its own torture report

As a liberal democracy, Australia needs its own report on US torture in Iraq and has a legal and moral obligation to prevent torture.
Detail from John Russell: Almond tree in blossom c1887. oil on gold ground on canvas on plywood 46.2 x 55.1 cm. National Gallery of Victoria, Melbourne. The Joseph Brown Collection. Presented through the NGV Foundation by Dr Joseph Brown AO OBE, Honorary Life Benefactor, 2004 (2004.216)

From Monet to Rodin, John Russell: Australia’s French Impressionist maps artistic connections

John Russell, who was destined to become an engineer, instead became an artist in fin de siècle France – and a friend of Van Gogh, Monet and Rodin.
Prime Minister Malcolm Turnbull campaigning at a Tasmania factory for Brett Whiteley, the Liberal candidate in the Braddon by-election. Bob Iddon

Byelection guide: what’s at stake on Super Saturday

On Saturday, five federal seats will have a byelection, with particular attention being paid to tight races in Longman and Braddon. And all have implications for the major parties and their leaders.
The NBN is on the path to being privatised after construction finishes. AAP

What should be done with the NBN in the long run?

The NBN is on track to be privatised after the infrastructure is completed, but there are a number of other options that would retain the benefits of its disruption of the telecommunications market.
Some explosive volcanoes can send ash high up into the sky and it can travel around the world over different countries. Shutterstock

Curious Kids: Why do volcanoes erupt?

When magma rises towards the surface gas bubbles start to form. Whether or not they can escape as the magma is rising affects how explosive the eruption will be.
Cutting immigration to Australia will impact the country’s demographic composition, with consequences for the working age population and income tax base. Andrew Seaman/Unsplash

Migration helps balance our ageing population – we don’t need a moratorium

Politicians across the spectrum have at some point targeted immigration as a contributor to out-of-control population growth. But would reducing, or banning, immigration take pressure off cities?
Women who have had a heart attack are less likely to be given an angiogram (a special X-ray to detect blockages of the heart), rehabilitation, or medication than men. Shutterstock/Syda Productions

Women who have heart attacks receive poorer care than men

New research shows women receive sub-optimal care after they have a heart attack and are twice as likely than men to die six months after the attack.
The Longman byelection is so tightly contested it has drawn many senior politicians to campaign. Here Labor candidate Susan Lamb is flanked by Shadow Minister for Skills, TAFE and Apprenticeships Doug Cameron, and Deputy Leader of the Opposition Tanya Plibersek. AAP/Glenn Hunt

As Super Saturday nears, Labor gains poll lead in Braddon, but trails in Longman, while UK Tories slump

With the much anticipated Super Saturday byelections on Saturday, the polls in Longman and Braddon still show a very tight race.
NASA’s Cassini spacecraft captures Saturn’s largest moon, Titan, passes in front of the planet and its rings. NASA/JPL-Caltech/Space Science Institute

Capturing the shadow of Saturn’s moon Titan from right here on Earth

Titan is more than a billion kilometres from our Sun but occasionally it’s shadow can be seen here on Earth, with the right technology. That’s what scientists gathered in Western Australia to observe.
The fashion advice is generally to tighten ties so they’re tight but not too tight. from www.shutterstock.com

Research Check: do neckties reduce blood supply to the brain?

Wearing a tie that causes slight discomfort can reduce blood flow to the brain by 7.5%, but the reduction is unlikely to cause any physical symptoms, which generally begin at a reduction of 10%.