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An incredible journey: the first people to arrive in Australia came in large numbers, and on purpose

The first people to walk along the shores of northern Australia arrived more than 50,000 years ago. Corey Bradshaw, CC BY-NC

The size of the first population of people needed to arrive, survive,


Originally published in The Conversation.

It's time for Australia to commit to the kind of future it wants: CSIRO Australian National Outlook 2019

Australia's future prosperity will require bold action on a number of fronts and a deliberate commitment to careful and considered long-term thinking Hendra Pontomudis / unsplash, CC BY


Originally published in The Conversation.

Explainer: what is 'hybrid warfare' and what is meant by the 'grey zone'?

There is an ongoing, low intensity cyber conflict between nation states that involves attacks and counter-attacks on critical infrastructure like power grids. Shutterstock

At


Originally published in The Conversation.

We asked people to do climate change maths. Their answers depended on their politics

In an ideal world, people would look at issues with a clear focus only on the facts. But in the real world, we know that doesn’t happen often.

People often look at issues through the prism of their own particular political identity - and have probably always done so.


Originally published in The Conversation.

Quantum physics experiment shows Heisenberg was right about uncertainty, in a certain sense

Quantum particles are not really just particles... they are also waves. Shutterstock/agsandrew

The word uncertainty is used a lot in quantum mechanics. One school of thought is that this means there’s something out there in the world that we are uncertain about.


Originally published in The Conversation.

Proposal to mine fossil-rich site in New Zealand sparks campaign to protect it

Foulden Maar formed 23 million years ago and contains tens of thousands of fossils of extinct plants and animals. Supplied, CC BY-ND

An Australian company’s application to mine a fossil-rich site


Originally published in The Conversation.

How a cyber attack hampered Hong Kong protesters

Massive public protests taking place in Hong Kong over the past week are aimed at a new extradition law, known as the Fugitive Offenders Ordinance, that would see accused criminals extradited to mainland China to face prosecution.


Originally published in The Conversation.

6 actions Australia's government can take right now to target online racism

Paul Fletcher, Australia's recently appointed minister for communications, cyber safety and the arts, says he wants to make the internet safe for everyone.


Originally published in The Conversation.

Grattan on Friday: The battle to stare down the defiant John Setka

In his first days as leader Anthony Albanese has taken two decisive actions to reset Labor’s relationship with the militant Construction, Forestry, Maritime, Mining and Energy Union.

Reshuffling Labor’s frontbench, he removed responsibility for industrial relations from Brendan O'Connor, whose brother Michael is the CFMMEU’s national secretary. This was always a huge conflict of interest, but one that Bill Shorten as opposition leader declined to address.


Originally published in The Conversation.

A giant species of trilobite inhabited Australian waters half a billion years ago

A fossil of the giant new trilobite species _Redlichia rex_.
James Holmes, Author provided

At up to 30cm long and armed with spines for crushing and shredding food, we’ve identified a previously unknown creature that would have been a giant


Originally published in The Conversation.