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University of Sydney

Established in 1850, the University of Sydney was Australia’s first tertiary education institution. It is committed to maximising the potential of its students, teachers and researchers for the benefit of Australia and the wider world.

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Displaying 4141 - 4160 of 4736 articles

The star scheme is yet to undergo consumer testing to see if it helps guide healthier food choices. Bruce A Stockwell

Out with traffic lights, in with stars – next steps for food labelling

The federal government is likely to introduce a star system for food packages next year to help consumers make healthier food choices, ABC’s Lateline reported last week. Much like the energy star rating…
Electricity prices have been rising rapidly during the past decade. Sir Bennikins/Flickr

The PM’s electricity plan: it’s a Band-Aid not a cure

A few days ago, the Prime Minister Julia Gillard foreshadowed a “plan to make sure that families pay $250 less per year for electricity” to be discussed at this Friday’s meeting of the Council of Australian…
For a number of reasons – not least its ‘overmassive’ black hole – NGC 1277 is a little different to other galaxies. David W. Hogg, Michael Blanton, and the SDSS Collaboration

An ‘overmassive’ black hole that breaks all the rules – so what?

Supermassive black holes weighing millions or billions of times as much as our sun appear to be ubiquitous in large galaxies. We don’t fully understand how these supermassive black holes form and grow…
Ian Gawler recovered from secondary cancer after conventional and unconventional treatments, including meditation. Sebastien Wiertz

TB or not TB? A second opinion on Ian Gawler’s cancer

Late last year, two oncologists went public with a theory that cancer survivor Ian Gawler’s secondary cancer may not have been cancer at all but tuberculosis instead. At the time, the story made front…
Egyput topshot.

Whatever Happened to the ‘Arab Spring’?

Bliss was it in that spring to be alive, and to be young, on the streets, was very heaven. Or so it seemed to millions of women and men in early 2011, shortly after the first protests in Tunisia rocked…
Everything we see around us could be little more than bits in a giant supercomputer. petertandlund

Alert: you may be living in a simulated universe

As a cosmologist, I often carry around a universe or two in my pocket. Not entire, infinitely large universes, but maybe a few billion light years or so across. Enough to be interesting. Of course, these…
Bacteria can quickly adapt and overcome the antibiotics that used to kill them. Image from shutterstock.com

Superbugs, human ecology and the threat from within

At the beginning of the 20th century, around one in three children in countries such as Australia and the United States died of infection before the age of five. But since Howard Florey first described…
The NSW government has cut funding to the EDO, which provides legal advice to the public on environmental matters. SplaTT/Flickr

Legal profession rallies behind the Environmental Defenders Office

In Greek mythology the Hydra was a reptilian guardian, a multi-headed creature defending one of the entrances to the underworld. If a would-be killer removed one of its heads, two more would grow in its…
British Prime Minister David Cameron has rejected Leveson’s ecommendation for a statutory body to oversee the new independent press regulator. AAP/ EPA/FACUNDO ARRIZABALAGA

Leveson inquiry into UK press: the experts respond

Lord Justice Leveson has released the recommendations of the Inquiry into the Culture, Practices and Ethics of the Press, which was prompted by the Murdoch press phone hacking scandal that erupted last…
The black hole at the centre of NGC 1277 galaxy is one of the largest ever discovered. NASA /ESA/Andrew C. Fabian/Remco C. E. van den Bosch (MPIA)

‘Overmassive’ black hole holds the mass of 17 billion suns

Astronomers have discovered a new, enormous black hole that could change our understanding of how galaxies evolve. Holding the mass of 17 billion suns, the black hole at the centre of the NGC 1277 galaxy…
greek editor costas vaxevanis.

The New Muckraking Journalism

The spirit and institutions of Greek democracy are dying, but who really cares? Kostas Vaxevanis does. His name merits global attention because during the past year Hot Doc, the weekly magazine he owns…
Urban development in coastal Australia brings people closer to mosquito habitats while often also creating new wetlands. Webb, Medical Entomology

Using urban planning to reduce mosquito-borne disease

There are many ways to prevent mosquito-borne diseases – insecticides to kill mosquitoes, vaccines to prevent infection and healthy doses of insect repellent before heading off for fishing trips. But while…
Access to mental health facilities needs to be increased, the report card said. http://www.flickr.com/photos/canonsnapper

Double access to mental health services, reduce forced treatment

The Australian government should provide enough mental health facilities to allow 12% of the population to access help per year, up from the current 6-8%, a government report has found. The report, A Contributing…
Too much urging can backfire and entrench some parents’ opposition to vaccination. Flickr/skippytpe

Parents’ decisions about vaccination and the art of gentle persuasion

Dr Seuss’ book Green Eggs and Ham is built around the urgings of a weird creature, Sam I Am, who insists the narrator eat the food of its title. When the narrator refuses, Sam issues an ever-widening range…
All eyes are on Doha, but most of the action is taking place in Asia. almasudi/Flickr

Doha is worthwhile, but real decisions are elsewhere

The irony of the world’s climate change negotiators meeting in Doha this week cannot be lost on anyone taking an interest in climate change. Qatar is hardly a model of the low carbon economy. With annual…
A Treaty Protection Zone allows Papua New Guinea inhabitants and Australian nationals to mix freely on the outer Torres Strait islands. Cam Pervan

Drug-resistant tuberculosis in PNG and Torres Strait islands

Most Australians hear only periodic news items about outbreaks of tuberculosis, but globally the disease remains a top killer. And the emergence of drug-resistant strains pose a major challenge to tuberculosis…
The imperative to remember information has been replaced with the imperative to remember where information is located. parkieblues

Outsourcing memory: the internet has changed how we remember

When Nicholas Carr’s article “Is Google Making Us Stupid?” hit newsstands in the July/August 2008 edition of The Atlantic, the reaction was predictably vociferous. The essay itself – a 4,175 word editorial…
A growing number of adverse events are reportedly linked to the consumption of energy drinks, such as Red Bull. Nattu/Flickr

Energy drinks and sudden death: US regulators investigate

The US Food and Drug Administration (FDA) is investigating a series of deaths reportedly linked to the consumption of energy drinks and shots. The investigation comes amid a growing number of reports of…

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