Science and research news from Australia. Covers Indigenous language teaching, menopause information, conservation, and open-access agreements.
Australian jellyfish, Phyllorhiza punctata, have reappeared in the Gulf of Mexico, with sightings reported as far north as North Carolina. The species can outcompete commercially important fish for food and consume their larvae.
In a study on the superb fairy-wren, researchers found that mothers who receive child-care assistance from helpers produce smaller eggs with less nutritious yolks, allowing them to live longer and breed more often. This unique adaptation suggests that helper birds may play a crucial role in the survival of some bird species.
A new study is expected to reveal the true cost of persistent pain in Australia, with an estimated 1 in 5 Australians suffering from relentless pain. The research aims to identify priority actions to ease suffering and save healthcare dollars.
A new study published in Journal of Biogeography reveals that ancestors of Proteaceae plants must have crossed the Atlantic and Indian Oceans to reach their current distribution ranges. This finding challenges the long-held assumption that Gondwanaland's biota simply moved with the continents as they broke up.
Researchers emphasize the importance of considering human rights in healthcare practices, citing examples such as HIV-testing in low-income countries. They also highlight concerns about delegated government roles to non-state actors, who often lack accountability.
Scientists assess natural variation in solar irradiance's impact on Earth's temperature. Early humans' adaptability to high northern latitudes is also studied, indicating a prominent presence around 1 million years ago.
Twelve native Australian fruits have been found to be exceptional sources of antioxidants, surpassing blueberries in radical scavenging activities. The study confirms the potential of Australia's native food industry, estimated to be worth $14 million annually, with research aimed at developing new phytochemicals for use in foods.
BLUElink provides broad-scale information on ocean currents, temperature, and salinity for the first time, improving forecasting capabilities. The system relies on access to accurate oceanic observations, including satellite data and robotic profilers.
Scientists at CSIRO Australia are exploring the use of a new synchrotron to detect biochemical changes in Tasmanian devil hair that could indicate facial tumour disease. This could lead to the development of an early detection test, making quarantine strategies more efficient and effective.
Australian White Dorper breeders are utilizing a newly developed DNA test to identify and manage the genetic disorder dermatosparaxis, which causes extreme skin fragility. The disease has been reported in other breeds and can result in death or euthanasia if left unchecked.
Researchers have developed a 3D computer model to analyze the cranial mechanics and bite force of the Great White Shark. The study used high-resolution simulations to estimate the maximum forces that Great Whites can exert, with implications for protecting submarine cables and communication systems.
Researchers found that specialized diets of bat species may contribute to their extinction risk. Contrary to previous studies, dietary breadth was not related to geographic range size or wing structure.
A study by Erik Hunter and Per Davidsson found that celebrity involvement is key to a product's success compared to traditional endorsement marketing. Celebrity entrepreneurs add value to products, making them more appealing to consumers.
Public health researchers debate whether to inform the public about snus' potential harm reduction benefits. Experts argue that Sweden's experience may not transfer to other settings, and transnational tobacco companies will likely promote snus to increase tobacco sales.
Australian scientists and optical engineers are working with the International Bureau of Weights and Measures to create a perfect sphere from a single crystal of exceptionally pure silicon. The goal is to redefine the kilogram, currently defined by a physical object in France, using a fundamental constant of nature.
A new study compares primary care practice in the US, Australia, and New Zealand, finding that patients receive significantly less time with their physicians. The US averages just 15-16 minutes per visit, while Australia and New Zealand average 14.9-15 minutes.
Paul Flemons, an Australian researcher, has won the prestigious Ebbe Nielsen Prize for his innovative work in combining biosystematics and biodiversity informatics. His research focuses on computer-based ecological modeling to identify areas with high species diversity, making it easier for scientists to discover and conserve species.
A study published at SNM's 54th Annual Meeting found that PET/CT imaging detected more sites of disease and identified women whose disease was likely to progress. The technique influenced treatment decisions in 59% of women with recurrent ovarian cancer, improving management outcomes.
Australian magpie-larks' synchronized duets signal strength and cooperation, eliciting more aggressive responses from rival males. The study found that coordinated displays are crucial for assessing coalition quality and defending territories.
Scientists have identified a climate change signal in the Indian Ocean near Australia, with ocean temperatures rising by two degrees Celsius. The research linked this warming to changes in atmospheric conditions and human activity, including aerosol production and greenhouse gases.
The technology uses magnetic fields to enable one-way communication from the surface to miners, but a new bi-directional PED will allow two-way communication, improving rescue operations. CSIRO's research has the potential to set an industry benchmark for safe mine operations.
AZoJono has introduced a revenue share scheme that pays authors and peer reviewers up to $500 and $100-$500 respectively. This open-access model has led to high-quality Nanotech science being disseminated globally, with over 350,000 monthly visitor sessions.
The Southern Ocean's ability to absorb carbon dioxide has weakened substantially over the past 25 years, with a 15% decrease per decade since 1981. Human activities are the primary cause of this weakening, which will lead to higher atmospheric carbon dioxide levels in the long-term.
Improved mental health support was offered to Bali bombing victims due to lessons learnt from the 2002 incident, with staff receiving vital personal support. The Royal Darwin Hospital's trauma planning sessions were successful in stabilizing patients before transfer, thanks to coordinated efforts between healthcare professionals.
Researchers have identified a new virus, known as the WU virus, potentially linked to unexplained respiratory infections. The virus was detected in patients' nasal secretions using high-throughput DNA sequencing and shows similarities to polyoma viruses.
A recent study found that visually impaired individuals in Australia experience significant economic burdens due to the need for special equipment and personal care services. The study revealed median expenditures exceeding $12 million over 12 months, highlighting the importance of addressing these costs.
Researchers found that close living quarters among coral in healthy sections of the Great Barrier Reef facilitate easy infection spread, despite warmer ocean temperatures. Higher temperatures drive disease outbreaks, with a strong connection between white syndrome and coral cover.
Bruce Stillman, Cold Spring Harbor Laboratory President and Cancer Center Director, has received the Curtin Medal for his pioneering work on DNA replication in cells. His research focuses on understanding illness, particularly cancer, and has contributed to knowledge of human virus replication and genome accuracy.
A recent breakthrough in solar cell technology has shown a 16-fold enhancement in light absorption, boosting efficiency from 8-10% to 13-15%. This improvement could make solar energy more affordable for homeowners, with the price of an installed system potentially falling by up to AUD$5,000.
A new study by Ronald R. Grunstein found that judicial sleepiness is viewed unfavorably by the media, society, and the judicial system as a whole. Experts recommend regulatory processes to ensure the fitness for duty of judges and maintain confidence in the judicial process.
New research by CSIRO Australia suggests that climate change is enhancing the growth of shallow-water fish species, but decreasing their growth rates at greater depths. This finding has implications for the long-term viability of deep-water stocks.
Eli Coleman, a University of Minnesota professor and director of the Program in Human Sexuality, received the Gold Medal Award 2007 from the World Association for Sexual Health. He has published extensively on topics like sexual orientation and compulsive sexual behavior.
A new virus has been identified as the cause of death in three organ transplant recipients in Australia, who received organs from the same donor. The virus is related to known strains of lymphocytic choreomeningitis virus but has a distinct genetic sequence that could not be detected with existing diagnostic methods.
A new counter-flow heart pump being developed by Queensland University of Technology has the potential to support both chambers of the heart simultaneously, reducing mortality rates. Clinical studies have shown that permanent left heart pumps can reduce mortality risk by up to 47%.
A recent study by Deakin University found that Australian teenagers eat fast food daily, leading to nutrient deficiencies. Only one-third of teens consume a variety of foods from the five food groups every day.
The National Institute of Clinical Studies (NICS) has awarded six Fellowships to support the development of experts and leaders in evidence implementation. The fellows will work on projects addressing gaps between evidence and practice in areas such as stroke rehabilitation, mental health, and Indigenous health.
Associate Professor Mazza aims to work with GPs to increase folate supplementation, which can prevent 70% of NTD cases. The project will also develop patient-focused education material to address the gap between evidence and practice.
Ms Bhavini Patel, Director of Pharmacy at Royal Darwin Hospital, has received a two-year Fellowship to address the evidence-practice gap in treating chronic kidney disease in Indigenous Australians. She aims to increase use of arteriovenous fistula for haemodialysis, reducing hospitalizations and complications.
Donald Metcalf is recognized for his groundbreaking research on blood cell formation and colony-stimulating factors, which revolutionized cancer treatment. His work led to the development of therapies accelerating hematopoietic regeneration in patients, reducing infection risk and shortening hospital stays.
Male crayfish bluff with weak claws to intimidate opponents and gain dominance, while females' claw size is an honest indicator of strength. This study reveals that dishonesty plays a more significant role in animal communication than previously thought.
Women in their 70s who engage in moderate physical activity may reduce their risk of developing frequent arthritis symptoms. The study found that increasing exercise to 2 ½ hours per week can further decrease the likelihood of these symptoms appearing.
A study by the University of New South Wales found that 78% of pedestrian collisions occur when pedestrians are crossing roads without marked crossings, and many people misunderstand right-of-way rules at intersections. The researchers suggest that better education and awareness are needed to reduce road trauma.
A massive cold-water eddy has been discovered off the coast of Sydney, altering the East Australian Current's flow. The eddy's impact on the Tasman Sea ecosystem is still unknown.
Professor Ian Frazer, a renowned cancer vaccine innovator, has been awarded the prestigious Florey Medal for his groundbreaking work on cervical cancer prevention. The award recognizes the significant public health impact of his research, which aims to control cervical cancer rates in developing countries.
The podcast series explores the impact of nanotechnology on human health, safety, and the environment. Key stakeholders share their perspectives on the benefits and challenges associated with this emerging technology. The discussion aims to raise awareness and promote informed decision-making about the future of nanotechnology.
A five-year survey of catches at local fish markets provided the first detailed description of Indonesia's shark and ray fauna. The Australian Centre for International Agricultural Research published a 330-page field guide, Economically Important Sharks and Rays of Indonesia, featuring over 20 new species.
A new DNA study has identified significant genetic differences among Melanesian populations, tied to their island of origin and language spoken. The research, led by Temple University professor Jonathan Friedlaender, sheds light on the unique diversity of this region.
Male anole lizards adjust their visual displays to overcome background noise, enabling clear communication with rivals. The findings provide insights into the evolution of signaling strategies in these species.
Researchers found that herbivorous fish play a key role in coral reef recovery from bleaching events. Exclusion of these fish led to reef degradation, while their presence boosted resilience.
A multi-country study found that more prominent text messages and graphic pictures on cigarette packages are effective in affecting smokers' behaviors. The study analyzed data from four countries and found that recent changes in health warnings were associated with increased effectiveness, while US warnings had the least impact.
A survey of 4,839 West Australian women found nearly 80% consumed alcohol in the three months before pregnancy, with more than half drinking during pregnancy despite recommendations. The study highlights the need for effective health promotion messages to reach women of child-bearing age.
A recent study reveals that a rare batfish species is crucial in promoting the return to health of disturbed coral reefs overgrown with algae. Researchers found that only two of 27 herbivorous fish species had a significant impact on reef recovery, with parrotfishes and surgeonfishes unable to reverse algal blooms.
Researchers at the University of New South Wales have developed a cost-effective process for manufacturing GGC, a precursor to antioxidant glutathione. The new additive is set to be used in various products, including skincare creams and supplements, with significant market potential.
The study found that the number of firearm-related deaths dropped by at least 6% after the law took effect, with a decrease in average annual suicides from 491 to 246. The legislation also led to a significant decline in homicides and overall homicide rates fell by almost 2.5% per year.
A new study found a significant improvement in survival rates after stroke in Auckland, New Zealand, with a 40% decline in deaths over the past 25 years. The research attributes this increase to better hospital admission and brain imaging during the most severe phase of the illness.
A study conducted by The George Institute found that 60% of drivers in NSW and WA use their mobile phones while driving, leading to a significant increase in crashes and near-misses. Younger drivers, men, and metropolitan residents are the worst offenders, with over 30% writing text messages while driving.
A large study of Australian women found that epidurals during labor and birth are associated with decreased rates of breastfeeding in both the short-term and long-term. Women who had epidurals were more likely to experience difficulty breastfeeding and give up breastfeeding before six months compared to those without analgesia.
Scientists identify the gene responsible for apple skin's rosy red hue, which is also an antioxidant. This discovery could lead to breeding new apple varieties with improved fruit color and potential health benefits.
Two young Australian researchers, Dr Denise Doolan and Dr Stephen Turner, have been awarded $1 million each to pursue biomedical research. Their funding will support the development of vaccines against diseases such as HIV/AIDS, pandemic influenza, and malaria.
A study of over 3,000 mothers and their children found that pregnant smokers were almost three times as likely to have regular-smoking offspring by age 14. Children whose mothers resumed smoking after pregnancy had similar smoking patterns, suggesting a direct link between maternal smoking during pregnancy and child's smoking habit.