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Those noisy crested pigeons use their unique feathers to sound an alarm

Crested pigeon in flight with the primary feathers spread and the narrow eighth primary is visible. Geoffrey Dabb, Author provided

Crested pigeons are a common sight in many Australian backyards, and are noted

Originally published in The Conversation.

The ACCC investigation into the NBN will be useful. But it's too little, too late

The Australian Competition and Consumer Commission (ACCC) has launched a public inquiry into the National Broadband Network (NBN).

Originally published in The Conversation.

Australian companies should cultivate local tech workers not play the 457 visa game

Mike Cannon-Brookes (centre), and Scott Farquhar (3rd L), co-founders and CEOs of Atlassian Software Systems, smile during its successful entry into the Nasdaq in New York.

There is a degree of mythology in the tech world surrounding people who have worked in Silicon Valley.

Originally published in The Conversation.

Stars that vary in brightness shine in the oral traditions of Aboriginal Australians

The star Betelgeuse varies in brightness. Flickr/A Tag , CC BY

Aboriginal Australians have been observing the stars for more than 65,000 years, and many of their oral traditions

Originally published in The Conversation.

You may be sick of worrying about online privacy, but 'surveillance apathy' is also a problem

Do you care if your data is being used by third parties?

Originally published in The Conversation.

I've always wondered: do nuclear tests affect tectonic plates and cause earthquakes or volcanic eruptions?

A detection station for seismic activity at Bilibion, a remote corner of Russia.

Originally published in The Conversation.

Dear Prime Minister: we'd like you to join the call for a ban on killer robots

A US Air Force MQ-9 Reaper drone is piloted remotely over Afghanistan. But what if AI was to take control?

Originally published in The Conversation.

Heard of the element erbium? It could pave the way to a quantum internet

A laser beam (yellow) causes a path of red fluorescence in a rare earth crystal. Stuart Hay, ANU, Author provided

If you were to try reciting the periodic table, you might stumble before you got to the rare earth elements.

Originally published in The Conversation.

A fleeting visit: an asteroid from another planetary system just shot past Earth

Tiny and very faint, this fast moving object (centre) was captured by astronomers as it passed through our Solar system. Queen's University Belfast

The discovery of The Conversation.

As a human, I don't do technology. I _am_ technology

Humans and their technologies have evolved together over time.

Originally published in The Conversation.