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Australian Jarryd Hayne (right) is attracting much attention as he plays for the San Francisco 49ers against Dallas Cowboys in pre-season NFL game. EPA/John G Mabanglo

The secret behind Jarryd Hayne’s success on the US footy field

Jarryd Hayne is wowing crowds and commentators with his play on the American football field in the US. His years in Australian rugby league may have a lot to do with his star performance.
Substances, such as these carbon nanotubes, can behave differently at the nano-scale, and may post a health risk. ZEISS Microscopy/Flickr

Big questions about risk assessment of nanomaterials

We need to carefully assess nanomaterials to ensure their safety, but there are questions over whether the existing practice of risk assessment is up to the task.
Then CEO Bill Gates at the Microsoft campus in the US, a day ahead of the launch of Windows 95 on August 24, 1995. Reuters/Jeff Vinnick

Windows 95 two decades on: but why all the upgrades?

Today marks the 20th anniversary of the launch of the Windows 95 operating system. What was it that made the operating system so special, and why all the upgrades over the years?
Many people might be in trouble care of the Ashley Madison hack. lucyburrluck/Flickr

What if the Ashley Madison hack was an inside job?

If the Ashley Madison hack was an inside job, then it shows that even strong protection against outside attacks isn’t necessarily enough to prevent a leak of private data.
A composite image of Centaurus A which has a dwarf galaxy ESO 324-G024 nearby. X-ray: NASA/CXC/SAO; Optical: Rolf Olsen; Infrared: NASA/JPL-Caltech

Dwarf galaxies feel the blast from larger neighbours

Dwarf galaxies are the most abundant galaxies in the universe yet little is known about how they behave, and the impact of larger neighbours.
Australian surfer Mick Fanning, seen here surfing at Snapper Rocks on the Gold Coast, has decided to change the colour of his surfboard. No more yellow. AAP Image/Jesse Little

Mick Fanning changes his surfboard colour from ‘yum yum yellow’

The recent shark attack was enough to convince Australian surfer Mick Fanning that the colour of his surfboard may have been a factor. But what do sharks actually see in the water?
Robots in chains but are they really to blame when AI does something wrong? maxuser

Who’s to blame when artificial intelligence systems go wrong?

There is much debate on the ethics of artificial intelligence machines that are designed to kill. But who’s responsible when a non-lethal AI system causes damage, harm or even death?
A pause, not a halt in legal attempts to claim money from people who illegally downloaded the movie Dallas Buyers Club, which starred Jared Leto (left) and Matthew McConaughey (right). Voltage Pictures

What now after the Dallas Buyers Club pirate claim is rejected as ‘surreal’?

The Federal Court has said no to an attempt to claim potentially thousands of dollars from people who illegally downloaded the movie Dallas Buyers Club. But the downloaders are not in the clear yet.
The humble spread gets caught up in the home brew debate. Flickr/atl trader

Yes, you can make alcohol from Vegemite, but …

Vegemite has been used for many things over the years. But claims it was used to brew alcohol in dry Indigenous communities had many asking if that was even possible.
There’s a dark side to the internet. powtac/Flickr

Explainer: what is the dark web?

There’s a dark side of the internet, where almost anything goes, or can be bought for the right price.