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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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Booze won’t kill your brain cells but it can still harm your brain. Image from shutterstock.com

Monday’s medical myth: alcohol kills brain cells

Do you ever wake up with a raging hangover and picture the row of brain cells that you suspect have have started to decay? Or wonder whether that final glass of wine was too much for those tiny cells…
How is the spin of black holes measured, and what can it tell us about our universe? NASA/Goddard Space Flight Center

Cutting through the spin on supermassive black holes

Astronomers have measured the spin of a black hole buried in the heart of a galaxy located 56 million light years away, and discovered it was spinning quickly – about as quickly as it could go. That was…
Fresh, raw soy milk and fresh, raw animal milk are very different foods. Timothy Valentine

Soy versus dairy: which milk is better for you?

There are good reasons why people may want to swap soy with dairy milk. The carbon, water and phosphate footprint of soy milk is a fraction of the latter. But the main reason for the increasing popularity…
The baby is only the second case ever of a person being ‘cured’ of HIV. Timothy Ray Brown was the first person ever to be ‘cured’ of HIV, after he underwent a complex stem cell transplant for the treatment of leukemia. EPA/MICHAEL REYNOLDS

US baby ‘cured’ of HIV: the experts respond

US doctors have reported that, for the first time ever, a baby has been cured of HIV following drug treatment within hours of her birth. The findings, which centre on a child under the care of Dr Hannah…
New research could help reclassify common psychiatric disorders that are related to the brain. AAP

Large genetic study paves way for new treatment of mental illness

Scientists have linked common genetic markers with major psychiatric disorders including autism and schizophrenia, in the largest ever genetic study of psychiatric illness. The study findings, published…
A memo from Yahoo’s Marissa Mayer calling all staff into the office has elicited widespread criticism, while it may not address the underlying issue of lack of collaboration. AAP

Yahoo brings workers back into the office but leaves real issues out in the cold

An internal memo to Yahoo employees has created quite a stir in the press and in social media outlets of late, questioning the leadership direction of Yahoo CEO Marissa Mayer. According to reports, from…
Big Tobacco’s planners eye their world maps and salivate over large, poorly educated populations. Image from shutterstock.com

Big Tobacco losing ground on plain packs but homing in on world’s poor

Plain packing has been a reality for Big Tobacco in Australia for three months now; New Zealand announced last week it will follow suit; and at least four other nations, including India, are also considering…
The reflected light from black holes enables astronomers to see how fast matter is swirling in the inner region of the disk, and ultimately to measure the black hole’s spin rate. NASA/JPL-Caltech

NASA puts new spin on black holes

Scientists in the US have successfully used a new NASA telescope to help improve our understanding of how black holes and galaxies evolve. Using data taken by the Nuclear Spectroscopic Telescope Array…
It’s impossible to know how much alcohol is safe to consume during pregnancy. Jason Coleman

Explainer: foetal alcohol spectrum disorders

The debate about alcohol’s harms is seemingly endless: the role of alcohol in violence, unplanned sex, injury and motor vehicle accidents, the teen binge-drinking epidemic, the risks of cancer and liver…
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Lunch and Dinner with Julian Assange, in Prison

Everybody warned this would be no ordinary invitation, and they were right. Three hundred metres from Knightsbridge underground station, just a stone’s throw from fashion-conscious Harrods, I suddenly…
The deadline for the US budget sequester —which will see across-the-board spending cuts of $US 85 billion implemented over the fiscal year — is rapidly approaching. AAP

No silver lining to US budget sequester

The first thing you should know about the sequester is that nearly everyone agrees that it’s a bad idea. In fact, that was the point. In the summer of 2011, with congressional Republicans refusing to raise…
The treatment of Quvenzhané Wallis at this year’s Oscars highlights prejudices that still exist in Hollywood. Michael Nelson/EPA

Quvenzhané Wallis, race and misogyny at the Oscars

Young actress Quvenzhané Wallis was one of many women subjected to derogatory misogynist “jokes” during this year’s Academy Awards ceremony. Those directed at her were particularly vicious. When the satirical…
The authors say their findings raise important questions about the central role of animal models in biomedical research. Understanding Animal Research

Of mice and men: role of mice in biomedical research questioned

A study recently published in the peer-reviewed journal PNAS (Proceedings of the National of Academy Sciences) shows that mice are poor models for human inflammatory diseases. The paper, which focused…
The world doesn’t need genetically modified grains to feed the hungry - we have the food we need, but not the society. EPA/Barbara Walton

Golden rice is no silver bullet: hunger needs a political solution

Golden Rice has recently made international headlines following the Philippine Government’s decision to allow the plant to be released throughout its jurisdiction. Golden rice is genetically modified (GM…
There’s virtually no difference in cancer incidence between women aged 20-24 years who screened are and those who are not. Spirit-Fire/Flickr

Cervical cancer screening shouldn’t start until 25

Women in England, Scotland, Wales and Northern Ireland will all soon be advised to start screening for cervical cancer at 25 years, and those aged between 50 and 64 years to screen every five years rather…
Many proposed measures for curbing obesity around the work are aimed at restricting the intake sugar from soft drinks. Robert Huffstutter

Another day, another anti-obesity campaign, but will this one work?

Merely two months into the new year and we have already seen a plethora of local and international efforts aimed at curbing what appears to be the inexorable rise of obesity. Some of these initiatives…
Milne said The Greens will continue to guarantee supply and confidence to the government, despite a string of decisions that disappointed her. (AAP Image/Alan Porritt)

Milne: Labor walked away from Greens but we will see this parliament through

The leader of the Australian Greens, Christine Milne, today delivered a stinging attack on the Australian Labor Party, accusing it of ending a deal the two parties struck that allowed Labor leader Julia…

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