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The universe is home to a dizzying number of stars and planets. But the vast bulk of the universe is thought to be invisible dark matter. Illustris Collaboration

Why do astronomers believe in dark matter?

Why do astronomers believe there's dark matter when it cannot be directly detected? Let's look at the evidence, and see what dark matter's presence means for our universe.
Reserve Bank Deputy Governor Guy Debelle, Governor Philip Lowe, and assistant governors Luci Ellis and Michele Bullock at Friday’s parliamentary hearing in Canberra. Lukas Coch/AAP

RBA update: Governor Lowe points to even lower rates

The Reserve Bank's best case scenario is that its forecasts are wrong.
Cavendish bananas may not be around for much longer. Steve Hopson/wikipedia

The quest to save the banana from extinction

Scientists are in a race to genetically engineer a new plant resistant to a devastating disease that is threatening to wipe out the banana.
The Tianshan mountains frame Sayram Lake in the Bortala Prefecture in Xinjiang, China. Gilby Jepson

How Eurasia’s Tianshan mountains set a stage that changed the world

Setting the scene for ancient Silk Road trading and now China's Belt and Road initiative, the Tianshan has changed humanity. Geological evidence shows us how this incredible mountain range formed.
A Green Bay Packers fan wears a cheese hat reading ‘NFL Owner’ – a nod to the fans’ public ownership of the franchise. Darren Hauck/Reuters

Green Bay Packers fans love that their team doesn’t have an owner – just don’t call it ‘communism’

Many Americans seem to like seeing communist ideas in action, but have a visceral reaction to the word ‘communism.’ Might it be time to refresh an old ideology with a new set of terms?
A new Parramatta is emerging out of the rubble of history. Artist's impression of the new North Parramatta development/URBANGROWTH NSW/AAP

Reimagining Parramatta: a place to discover Australia’s many stories

Sydney's Parramatta is developing fast, building over a rich archaeological history. Finding ways to retain it can help visitors and residents feel a sense of physical connection with those who came before.
Australia’s deep history was uncovered at Lake Mungo.

Fifty years ago, at Lake Mungo, the true scale of Aboriginal Australians’ epic story was revealed

On the golden jubilee of the discovery of Mungo Lady's 40,000-year-old remains, we can reflect on Aboriginal Australia's vast history, which predates the arrival of Homo sapiens in both Europe and America.
The Homeward Bound initiative works with women in science to enhance their opportunity to take up leadership roles globally. Oli Samson

How a trip to Antarctica became a real-life experiment in decision-making

This year 77 women took part in the largest all-female expedition to Antarctica as part of a leadership training program. Rough weather enroute put group decision-making skills to the test.
Disappearing from a high street near you. www.shutterstock.com

Why are Britain’s jobcentres disappearing?

A long read on the decimation of British jobcentres – and why it puts the rollout of Universal Credit at risk.

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