Science + Technology – Analysis and Comment

No 38 Jarryd Hayne tries to avoid a tackle as he plays for the San Francisco 49ers against the Dallas Cowboys during his third preseason NFL game in the US. EPA/John G Mabanglo

Jarryd Hayne is just one game away from NFL stardom

Three down, just one preseason game to go before Australian Jarryd Hayne will know if he's made it play for the San Francisco 49ers in the competitive US NFL season.
Tests on mice have shown certain antibiotic-resistant gut bacteria can be treated with faecal transplants. Rick Eh/flickr

Poo transplants can eliminate two superbugs from the gut: mice study

Two of the most common antibiotic-resistant bacteria circulating in hospitals can be wiped out by transplanting faeces from a healthy animal into the gut of an infected one, a study on mice has found.
We need a formal definition on what we mean by artificial intelligence. Flickr/matt northam

Why we need a legal definition of artificial intelligence

Plenty of talk about what we want from artificial intelligent systems, but what do we actually mean by AI? From a legal and regulation point of view, we do need a definition.
A biohack event called Rock’n Roll BioTech, held at Aalto University in Helsinki, brings people together to learn about the fundamentals of molecular life-sciences outside of conventional circles. GaudiLabs

Hacking the body: the scientific counter-culture of the DIYbio movement

There's a new counter-culture movement that is seeking to bypass the bureaucracy of science and hack biology for the benefit of the masses.
NASA artists' interpretation of the neutron star Swift J1749.4-2807 (left) with it’s companion star (right). NASA/Goddard Space Flight Center

Explainer: what is a neutron star?

They're are the overachievers of the universe: incredibly dense but very small when compared to others stars. So how much do we know about the extreme behaviour of neutron stars?
Electricity is only one of the marvels brought to us by science. But even that’s not enough to convince some of its value. Michael Wyszomierski/Flickr

What has science ever done for us? The Knowledge Wars, reviewed

Nobel Laureate Peter Doherty's new book explores why so many people today selectively reject science, and in the process gives a behind the scenes look at how science really works.
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.