Patients with depression will be able to monitor their mental health using a computer as easily as those with diabetes can manage their condition thanks to new research presented in Canberra. The work is developing a computerised diagnostic aid that is already able to diagnose depression with up to 80 percent accuracy. The researchers’ next step is to develop a laptop based prototype.
Dr Roland Goecke, Human-Centred Computing Laboratory, University of Canberra—also researchers from Queensland Institute of Medical Research and Black Dog Institute, UNSW
http://www.canberra.edu.au/media-centre/2011/november/uc-researchers-develop-technology-to-diagnose-depression
An Australian archaeologist has uncovered the world’s oldest evidence of deep sea fishing for big fish, showing that 42,000 years ago our regional ancestors had mastered one of our nation’s favourite pastimes. The study also found the world’s earliest recorded fish hook in her excavations at a site in East Timor.
The finds from the Jerimalai cave site demonstrate that 42,000 years ago our regional ancestors had high-level maritime skills, and by implication the technology needed to make the ocean crossings to reach Australia.
Prof Sue O’Connor, College of Asia and the Pacific, ANU
Science
http://news.anu.edu.au/?p=12531
New research providing critical information about how climate change is affecting Australia’s Pacific island neighbours and East Timor has been released today by the Australian Government’s Pacific Climate Change Science Program (PCCSP). The landmark, peer-reviewed publication, Climate Change in the Pacific: Scientific Assessment and New Research, presents the most comprehensive scientific analysis to date of climate change in the Pacific region.
Dr Scott Power, Bureau of Meteorology; Kevin Hennessy, CSIRO
http://www.csiro.au/en/Portals/Media/New-insight-into-climate-change-in-the-Pacific.aspx
Researchers have shown for the first time how Golden orb web spiders (Nephila antipodiana) add a chemical to their web silk to repel invading ants. The finding adds chemical defence to the impressive properties of spider silk, already known to be very strong, elastic and adhesive, and may provide new opportunities for pesticide design.
Prof Mark Elgar, Department of Zoology, University of Melbourne
Proceedings of the Royal Society B
http://newsroom.melbourne.edu/news/n-697
An international study has shown how genetic variation can persist through generations, rather than being bred out in an evolution towards a ‘perfect type’. The research team observed that males which carried the genes for behavioural dominance were more successful at winning mates.
However, their gene-sharing female siblings were less successful, having smaller litter sizes. In contrast, females which didn’t carry the genes for behavioural dominance had larger litter sizes. This phenomenon is called sexual antagonism – where a particular gene is beneficial for one sex, but decreases success for the opposite sex.
Mr Jussi Lehtonen, Research School of Biology, ANU
Science
http://news.anu.edu.au/?p=12331
An Australian experimental evolutionary study on house mice (Mus musculus) has found multiple mating is beneficial for both males and females. The study, in its sixth year running, has found that polyandry drives increased embryo viability in a vertebrate and that the risks associated with multiple mating were far outweighed by the benefits.
Dr Renee Firman, Dr Leigh Simmons, UWA
Ecology Letters Journal
http://www.sciencewa.net.au/3742-polyandry-drives-increased-embryo-viability.html
Despite their simple compound eyes crabs have evolved a smart way to tell the difference between friend and foe, a new study has revealed. Australian researcher found that fiddler crabs quickly learn to recognise if an approaching creature is a threat, a mate or a harmless passer-by – according to its direction of approach.
Ms Chloe Raderschall, ARC Centre of Excellence in Vision Science, ANU
The Journal of Experimental Biology
http://www.sciencealert.com.au/news/20112411-22880.html
Recently published Queensland research showing how the malaria parasite can survive in a type of white blood cell in the spleen looks set to pave the way for the development of new malaria drugs and vaccines. Traditionally, it was believed the parasite’s development in the body was restricted to the liver and red blood cells.
Dr Michelle Wykes, Queensland Institute of Medical Research
Proceedings of the National Academy of Sciences
www.qimr.edu.au
An international study in the prestigious journal Nature Biotechnology reveals new information about human pluripotent stem cells and their genetic stability and has important implications for the development of therapies using these cells. Scientists from the University of Melbourne, University of NSW and CSIRO contributed to this study, which examined how the genome of 138 stem cell lines of diverse ethnic backgrounds changed when the cells were grown in the laboratory.
Prof Martin Pera, University of Melbourne and Stem Cells Australia
Dr Andrew Laslett, Qi Zhou, CSIRO
A/Prof Jeremy Crook, Shirani Sivarajah, University of Melbourne and National ICT Australia
A/Prof Kuldip Sidhu, UNSW
Nature Biotechnology
http://www.nature.com/nbt/journal/vaop/ncurrent/full/nbt.2051.html
Adolescent boys are more prone to delinquency if they do not have a father figure in their lives, a Melbourne study has found, while adolescent girls seem unaffected by the presence or absence of fathers in their lives.
The study found that the presence of a father figure during adolescence was most likely to have a preventive effect on whether male youths engage in risk-taking and deviant behaviour. While active involvement and interaction between fathers and youths was found to be beneficial, it did not explain the positive benefits of children who grow up with fathers in the household.
Prof Deborah Cobb-Clark, Melbourne Institute of Applied Economic and Social Research, University of Melbourne
http://newsroom.melbourne.edu/news/n-701
A health supplement used by bodybuilders could be the key to treating a life-threatening muscular dystrophy affecting hundreds of Australian children, new research shows. The amino acid L-tyrosine had a “rapid and dramatic impact” on Nemaline Myopathy (NM) in laboratory tests on mice, significantly improving symptoms of the muscle wasting disease, medical researchers found.
Prof Edna Hardeman, Neuromuscular and Regenerative Medicine Unit, UNSW
Brain
http://newsroom.unsw.edu.au/news/health/hope-muscle-wasting-disease
Banded ironstone core samples from the Pilbara have aided in dating the first appearance of atmospheric oxygen at 2.48 billion years ago. The published date of the Great Oxidation Event by geobiologists in Western Australian researchers rests on the reliability of the rock samples they used as evidence.
A/Prof Mark Barley, UWA
Nature
http://www.sciencealert.com.au/news/20112411-22882.html
Scientists are a step closer to predicting when and where earthquakes will occur after taking a fresh look at the formation of the Andes, which began 45 million years ago. International research led by an Australian describes a new approach to plate tectonics. It is the first model to go beyond illustrating how plates move, and explain why. Although the theory had been applied only to one plate boundary so far, it has broader application, the researchers say. Understanding the forces driving tectonic plates will allow researchers to predict shifts and their consequences, including the formation of mountain ranges, opening and closing of oceans, and earthquakes.
Dr Fabio Capitanio, School of Geosciences, Monash University
Nature
http://www.monash.edu.au/news/show/earths-past-gives-clues-to-future-changes
Australian scientists have thrown new light on the mechanism behind the mass death of corals worldwide as the Earth’s climate warms. A team of scientists from Townsville has shown that as sea water begins to warm a complex cascade of molecular signals is triggered leading up to the self-inflicted death of corals and their symbiotic algae .
Lead author Dr Tracy Ainsworth, ARC Centre of Excellence for Coral Reef Studies, James Cook University
Scientific Reports, Nature
http://www-public.jcu.edu.au/news/JCU_093922
The Intergovernmental Panel on Climate Change (IPCC) presented findings from its special report Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation on Friday 18 November. Three Australian lead authors were involved with the report.
Prof Neville Nicholls, Monash University; Prof John Handmer, RMIT University
Dr Kathleen McInnes, Centre for Australian Weather and Climate Research
www.ipcc-wg2.gov/SREX/
