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Explainer: what happens when magnetic north and true north align?

Very rarely, depending on where you are in the world, your compass can actually point to true north.

Originally published in The Conversation.

Apple's iPhone 11 Pro wants to take your laptop's job (and price tag)

What a week it has been in the Apple core. In recent days the tech giant has released a litany of products, including new phones, watches, tablets, and more.

The big-ticket items are clearly the new iPhone 11 range. These hint at some interesting technology directions, which will most likely spread across the mobile sector.

Of course, it’s hardly radical to create a phone that is also a camera, web browser, computer, and gaming device. That idea is as old as smart phones themselves.

Originally published in The Conversation.

Breeding single-sex animal populations could help prevent disease and poverty

The giant freshwater prawn is native to the Indo-West Pacific from northwest India to Vietnam, Philippines, New Guinea and northern Australia.

Originally published in The Conversation.

'There is a problem': Australia's top scientist Alan Finkel pushes to eradicate bad science

Australia's Chief Scientist Alan Finkel AAP

In the main, Australia produces high-quality research that is rigorous and reproducible, and makes a significant contribution towards scientific progress. But that doesn’t mean we can’t do it better.

Originally published in The Conversation.

This extinct kangaroo had a branch-crunching bite to rival today's giant pandas

_Simosthenurus occidentalis_ had a body like a kangaroo, a face like a koala, and a bite like a panda. N.

Originally published in The Conversation.

Why do astronomers believe in dark matter?

The universe is home to a dizzying number of stars and planets.

Originally published in The Conversation.

Forensic science isn't 'reliable' or 'unreliable' – it depends on the questions you're trying to answer

Footprints aren't always as clear as this - but they nevertheless have their uses. Eddies Images/

After recent criticism in the US and the UK, forensic science is now coming under attack in Australia.

Originally published in The Conversation.

India's moon mission should be considered a success, and a lesson in spacefaring

Over the weekend, India attempted to make history by becoming just the fourth nation to successfully land a probe on the Moon. It came agonisingly close, but after journeying millions of kilometres, the Vikram lander lost contact in the final few hundred metres and crash-landed on the lunar surface.

But it would be both unfair and plain wrong to label the mission a failure.

Two-month trip

After a postponed launch, India’s Chandrayaan-2 spacecraft began its journey to the Moon on July 22.

Originally published in The Conversation.

Curious Kids: why does Saturn have rings?

Galileo thought Saturn looked a bit like the head of a teddy bear with two big ears. He thought it may be made of three planets.

Originally published in The Conversation.

Will the genetic screening of athletes change sport as we know it?

Since the first mapping of the human genome there has been interest in understanding which genetic factors underpin performance in sport.

With the rise of genetic testing among athletes, it remains to be seen exactly how the world of elite sport will be affected.

Originally published in The Conversation.