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Curious Kids: Where did the first person come from?

Here's a modern human skull on the left, and Neanderthal skull on the right.

Darren Curnoe, Author provided

This is an article from Curious Kids, a new series for children.


Originally published in The Conversation.

Wi-Fi can be KRACK-ed. Here's what to do next

WPA2 has been cracked, so it's time to update your router. Ksander/Shutterstock

A security researcher has revealed seri


Originally published in The Conversation.

At last, we've found gravitational waves from a collapsing pair of neutron stars

Artist's impression of the collision of two neutron stars, the source of the latest gravitational waves detected. National Science Foundation/LIGO/Sonoma State University/A.


Originally published in The Conversation.

After the alert: radio 'eyes' hunt the source of the gravitational waves

The Australia Telescope Compact Array in Narrabri, NSW. David Smyth/CSIRO, Author provided

At 11:21pm Sydney time on Thursday August 17, 2017, an alert on a private email list informed thousands of astronomers worldwide that the Advanced LIGO-Virgo interferometer had detect


Originally published in The Conversation.

We beat a cyber attack to see the 'kilonova' glow from a collapsing pair of neutron stars

The Zadko telescope was set to study the optical glow following a gamma ray burst.


Originally published in The Conversation.

Good data/bad data: ethically designed databases can help police without reducing privacy

The government doesn't need a giant biometric database. Alexandru Chiriac/Shutterstock

Governments seem to think that the only way to protect national security is to own as mu


Originally published in The Conversation.

Here’s how Australia can act to target racist behaviour online

Racists take advantage of social media algorithms to find people with similar beliefs.


Originally published in The Conversation.

Expect a shakeup of China’s military elite at the 19th Party Congress

On October 18, the 19th National Congress of the Chinese Communist Party (CCP) will begin, and China’s military will be in the spotlight.

As well as laying out the nation’s direction for the next five years and appointing its top political leaders, it’s expected that the Congress will confirm the wholesale change of China’s military elite that has been underway for the past several years.


Read More: How the Chinese cyberthreat has evolved


Originally published in The Conversation.

#LstTxt&Tstmnt: how an unsent text message could cut you out of an inheritance

An unsent text message can be a will, an Australian court has decided. Dragon Images/Shutterstock

The unsent text message read:


Originally published in The Conversation.

Don't ignore the mobility scooter. It may just be the future of transport

Mobility scooter user Linda Thompson. Paul Jones/University of Wollongong, Author provided

Nationals senator John Williams wants to limit the speed of mob


Originally published in The Conversation.