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Why are most people right handed? The answer may be in the mouths of our ancestors

How our ancestors ate could explain why today's humans are mostly right-handed.


Originally published in The Conversation.

10 years on, the iPhone has revolutionised life and freed us from multiple tyrannies

Steve Jobs introduces iPhone YouTube

It is 10 years this week since Steve Jobs walked onto a stage and said “Every once in a while, a revolutionary product comes along that changes everything”.


Originally published in The Conversation.

Food for thought: the rise of Australia's mighty Brahman

Brahman cattle in northern Australia. CSIRO, CC BY

The cattle in northern Australia are different to the rest of the national herd and the most striking thing is they have humps.


Originally published in The Conversation.

Explainer: we can learn a lot from the changing night sky

The Southern Cross and Milky Way hover above the Aurora Australis. The Conversation.

Who will be the winner in the next computing revolution?

Artificial intelligence will unleash computers from behind screens. Shutterstock

A computer’s operating system, the layer of software between you and the hardware, has changed remarkably over the past few decades.


Originally published in The Conversation.

The world is getting fatter with technology as part of the problem and not the cure

Sedentary Eating Shutterstock

If you are one of the majority of people who make New Year’s resolutions, you are also very likely to fail at keeping


Originally published in The Conversation.

How to quickly spot dodgy science

Is that a black hole, or a hole in their data? NASA Goddard Space Flight Center, CC BY

I haven’t got time for science, or at least not all of it.


Originally published in The Conversation.

Why don't people get it? Seven ways that communicating risk can fail

There's a reason why some people don't want to listen.


Originally published in The Conversation.

Look up! Your guide to some of the best meteor showers for 2017

Patience can be rewarded as with this composite of the 2016 Geminids meteor shower, seen over Mt Teide volcano on the Canary Islands, off Spain Flickr/StarryEarth, CC BY-NC

After a dis


Originally published in The Conversation.

Wait a moment: 2016 goes a little longer thanks to a leap second

That time is it on Earth? National Measurement Institute

To the time-poor of the world: take heart, for 2016 is a generous year.


Originally published in The Conversation.