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Consciousness might emerge from a particular kind of information processing. Shutterstock

What makes us conscious?

Consciousness is one of the most mysterious phenomena we know of. But evidence is emerging that it might just be a very special kind of information processing.
Patients often rely on their GP to make the choice of specialist for them through the referral process with little or no discussion of prices. gtfour/Shutterstock

How much?! Seeing private specialists often costs more than you bargained for

Why is it so difficult to find out exactly how much it’s going to cost to have that suspicious mole removed or to be admitted to hospital for that colonoscopy or hip replacement?
Among the 61 recommendations is: ‘Don’t order chest x-rays in patients with uncomplicated acute bronchitis’. Monkey Business Images/Shutterstock

Antibiotics for colds, x-rays for bronchitis, internal exams with pap tests – the latest list of tests to question

Harm doesn’t just come in the form of side-effects or further testing. The “cons” of any treatment also include the costs, which can be financial, emotional, and the costs of the individual’s time.
The site of the hillfort of Vugala, northern Viti Levu island (Fiji). This was one of many hillforts in the area – home to a few hundred people according to reports from the 1840s – that were probably established around AD 1400 in response to conflict resulting from a food crisis that had come about as a result of an enduring fall in sea level. Patrick Nunn

Rise and fall: social collapse linked to sea level in the Pacific

Rising seas are one of the major concerns of Pacific Island nations, and looking at past sea-level change can help understand the future.
When children start school, they need to develop reading fluency. from www.shutterstock.com

Explainer: how is literacy taught in schools?

There is a lot of misinformation about how Australia prepares teachers to teach reading and writing in schools. So here’s how it really works.
Gun control activists rally in front of the White House in Washington DC, earlier this year. REUTERS/Carlos Barria

Gun control in America by the right (and wrong) numbers

All sides in the debate on gun control in the United States are quick to point to numbers they say back their arguments. But are they playing fair with those figures?
One element of emergency departments (EDs) which can cause frustration is the triage assessment. Presidencia de la República Mexicana/Flickr

From triage to discharge: a user’s guide to navigating hospitals

Whether it’s an emergency or a planned admission, going to hospital can be anxiety inducing – not knowing where you’re heading or who will be looking after you. Here’s a cheat sheet to guide you.
It’s stormy conditions in share markets and a competitive sector, not natural disasters, that will define the outlook for the insurance sector. KARIN CALVERT/AAP

Insurance outlook: in an era of increasing competition technology will make the difference

The outlook for the insurance sector will depend less on natural disasters and more on how the big insurers respond to smaller competitors and the use of technology in assessing policies.
An orang-utan playing with the interactive digital projector at the Melbourne Zoo. Microsoft Research Centre for Social Natural User Interfaces at the University of Melbourne

Orang-utans play video games too, and it can enrich their lives in the zoo

An experiment providing interactive games for orang-utans is showing the potential for digital technology to enrich the lives of zoo animals.
The new assistant minister for cities, Angus Taylor, has expressed a ‘deep belief that consultation and proper public debate gets to wise outcomes’. flickr/Crawford Forum

Memo to our latest cities minister: here’s what needs to be done

Effective development planning must anticipate where growth might occur and its wider impacts. So, if the federal government is serious about cities policy, it needs a proper settlements plan.
Why is Whistler’s mother one of the most persistently famous images in the world? James McNeill Whistler, Arrangement in grey and black no. 1 (Portrait of the artist's mother) 1871. Image courtesy of the NGV.

Here’s looking at: ‘Whistler’s Mother’

Whistler’s Mother, which arrives in Melbourne on March 25, is one of the most famous portraits in the world. But James Whistler never wanted the sitter’s identity known.
The idea of a sharing platform that renders the financial warehouse obsolete is fanciful. Image sourced from www.shutterstock.com

Uberbanking, with limits

Financial services are being digitally disrupted, but the idea of a financial “sharing” economy replacing traditional banking ignores reality.