Science and research news from Australia. Covers Indigenous language teaching, menopause information, conservation, and open-access agreements.
A team of Australian researchers suggests that a 2.5 million-year-old meteor impact in the Pacific Ocean may have generated a mega-tsunami and plunged the world into the Ice Ages. The Eltanin meteor, up to two kilometers across, crashed into deep water, potentially destabilizing the planet's climate system.
A new report highlights the cognitive factors that make misinformation sticky, including the need for cognitive effort to reject information. Effective strategies for debunking or counteracting erroneous beliefs include providing alternative narratives, focusing on facts rather than myths, and considering audience beliefs. Research has...
Climate change is expected to transform Australia's natural landscapes by 2030, with significant ecological impacts by 2070. The study highlights the need to adapt biodiversity conservation strategies to accommodate changing ecosystems and shifting species.
Researchers have discovered a small wasp that hunts and paralyses redback spiders, reducing their population. The Agenioideus nigricornis wasp, previously forgotten for over 200 years, is widespread across Australia and plays a crucial role in controlling the redback spider population.
A multinational group of authors has found a strong association between Southeast Asian ovalocytosis and protection against malaria caused by Plasmodium vivax. The study suggests that P. vivax malaria may have contributed to shaping the unique host genetic adaptations in Asian and Oceanic populations.
Researchers at Newcastle University analyzed data from over 7,000 Australian households and found that smokers with a longer time horizon were more likely to quit smoking by 2008. Seventy-six percent of quitters fell into this category compared to 66% of those who continued to smoke.
A recent study by CSIRO and Australian Maritime College reveals that ship engine exhaust emissions account for over a quarter of nitrogen oxide emissions in the Australian region. These non-greenhouse gases can affect air quality near coastal regions and have consequences for human health and amenity.
A study of 249 people aged 60-64 found that those with high fasting blood sugar levels within the normal range experienced greater brain shrinkage than those with lower levels. Brain volume loss was particularly pronounced in areas involved in memory and cognitive skills, such as the hippocampus and amygdala.
A group of Pyrgodesmidae millipedes previously unknown in Australia has been discovered on museum shelves. The study reveals dozens of native species across over 2000 km of eastern Australia's warm forests.
The Soil Science Society of America has announced its 2012 class of fellows, comprising 26 soil scientists from around the world. These distinguished professionals have made significant contributions to the field of soil science through their research, teaching, and extension work.
Coral scientists have developed a simplified method for measuring coral reef resilience, prioritizing heat-resistant coral species and background temperature variability. The new model offers a cost-effective tool for conservation planning, but further research is needed to evaluate its priority and types of corals required.
Two groups of blind cave fishes from Australia and Madagascar are each other's closest relatives, descending from a common ancestor separated by continental drift nearly 100 million years ago. The study identifies new species that add to existing biological evidence for the existence of Gondwana.
Researchers in Adelaide and Italy are working on projects to improve the quality of pasta by increasing dietary fiber and starch levels. The goal is to create 'super spaghetti' that offers potential health benefits, such as reducing heart disease risk or colorectal cancer risk.
A botany student has confirmed the existence of a new species, New England Banksia, previously classified as a variety of the Hairpin Banksia. The study, published in PhytoKeys, used molecular evidence to support the distinct species status of New England Banksia.
Researchers found that widely used drug gabapentin significantly improves quality of life, severity, and frequency of chronic cough in patients who have not responded to standard treatment. The study suggests gabapentin's potential as a new treatment option for refractory chronic cough.
Research reveals that paternal obesity negatively impacts fetal development, resulting in smaller fetuses and poor pregnancy success. Men are advised to get match fit before conceiving to support healthy fetal growth and reduce long-term health risks for the offspring
Dr Kylie Mason's research on BH3-mimetics and platelets reveals a molecular 'clock' that dictates their lifespan. Her work has implications for diagnosis and treatment of disorders affecting platelets, as well as blood bank storage.
Researchers propose a new concept called Quantum Graphity, suggesting that space is composed of tiny indivisible blocks similar to pixels. This idea challenges the traditional Big Bang theory and offers a potential explanation for the nature of space.
The 2012 Marine Climate Change in Australia Report Card reveals climate change is altering the country's marine ecosystems. Key findings indicate warming sea temperatures are influencing species distribution and foraging patterns of seabirds.
A new study finds that the frequency of extreme shifts in the South Pacific rain band will almost double in the next 100 years, resulting in increased floods and droughts. The warming atmosphere and oceans will also intensify these events, causing massive droughts, severe food shortages, and coral reef mortality.
The Australian government has created the world's first continent-wide mineral maps using Advanced Spaceborne Thermal Emission and Reflection (ASTER) data. These maps provide highly accurate information on rock and soil mineral components, revolutionizing the search for mineral deposits.
A UCI-led review reveals creative methods for capturing liquid sewage, highway runoff, and household water to supplement drinking water. The study concludes that transforming individual habits and adopting sustainable practices are crucial to breaking the cycle of waste and over-reliance on freshwater resources.
A study analyzing malpractice claims in Australia found that doctors often fail to disclose significant risks to patients before treatment. The authors argue that this can lead to factual disagreements and disputes over informed consent, highlighting the need for improved communication between healthcare providers and patients.
Researchers found a strain of dysentery-causing bacterium spreading rapidly from Europe to Australia and some developing countries. High levels of drug resistance in developed countries make transmission easier.
A new rapid test to diagnose melioidosis, a difficult infection to treat, is being optimized and tested by University of Nevada School of Medicine researcher David AuCoin. The test has shown encouraging results in regions where the disease is endemic, such as Thailand and Australia.
A study by University of Melbourne researchers found that doctors often fail to warn patients of risks affecting quality of life, particularly chronic pain and sexual dysfunction. To avoid 'he said/she said' disputes, keeping a clear record of consent discussions is key.
Australian scientists have discovered a new bat virus, Cedar, which is closely related to deadly Hendra and Nipah viruses. The virus does not cause illness in several animal species normally susceptible to Hendra and Nipah, providing a surprising key difference.
Research reveals widespread skin cancer in wild coral trout populations, caused by UV radiation, affecting three species on the Great Barrier Reef. The study's findings highlight the urgent need for continued conservation and management of reefs and their inhabitants.
A new study found that over half of malignant prostate cancers have both high-risk HPV 18 and EBV, with HPV alone present in 70% of the cancers. The research suggests a potential collaboration between the two viruses to promote cancer cell survival.
A study by the University of Western Australia has identified 8% of Olympic athletes with asthma and airway hyper-responsiveness, with summer sports showing a higher prevalence. Intense training may be a contributing factor, while genetic aspects also play a role in airway damage.
A new study has discovered that Middle Reef, part of Australia's Great Barrier Reef, has grown more rapidly than other reefs in areas with lower levels of sediment stress. The reef thrives in water with high levels of sediment, which had previously been believed to be detrimental to growth.
A team of scientists has discovered a method of how carbon is drawn down from the surface of the Southern Ocean to deep waters, utilizing winds, currents, and eddies. This understanding improves knowledge of climate change effects on ocean carbon absorption.
Researchers found that localized pathways created by winds, currents, and eddies draw waters down into the deep ocean, locking away carbon from the atmosphere. This improved understanding helps predict effects of climate change on ocean carbon absorption.
The newly established Therapeutic Innovation Australia Queensland Node will provide a testing model to speed up the movement of inventions from laboratory to therapeutic products. The Node will focus on four initial projects, including migraine prevention and diabetes management, aiming to deliver tangible commercial returns within fiv...
Griffith University researchers analyze ancient human remains to determine the origins of people in South-east Asia and Australia. The study identifies two waves of human migration through Asia and detects historic patterns of interbreeding among early people.
A new study published in PLOS Medicine suggests that non-inferiority trials, which involve switching HIV patients to a new antiretroviral therapy, may not be beneficial to participants. The authors argue that these trials often enroll patients who cannot benefit from the switch and do not capture or report all potential risks.
Research finds that newborn twins' epigenetic profiles differ despite sharing a womb, influenced by unique environmental experiences and genetic factors. This study may lead to early identification of disease risk and personalized health interventions.
Research from the University of Melbourne found that two different vaccine viruses used simultaneously to control infectious laryngotracheitis in chickens combined to produce new infectious viruses, resulting in disease outbreaks. The new strains caused more severe disease and replicated at higher levels than the parent vaccine strains.
Despite grim scientific evidence, coral scientist John Pandolfi believes it's possible to save 60-70% of the world's coral reefs. The key to success lies in reducing local stresses from pollution, runoff, and overfishing, as well as aggressively reducing CO2 emissions.
The HILDA Survey report provides insights into Australia's coping mechanisms during the global financial crisis. The survey reveals key findings on household income, labor market outcomes, and life satisfaction.
Astronomers have confirmed the first known 'middleweight' black hole, HLX-1, using observations with CSIRO's Australia Telescope Compact Array. The black hole is estimated to be around 20,000 to 90,000 times the mass of the Sun and lies in a galaxy called ESO 243-49.
Medical Developments International (MDI) has signed a technology deal with CSIRO to develop a new production process for the pain-relieving drug Penthrox, known as the green whistle. The partnership aims to reduce production costs and enable large-scale production for global sales in the UK and Europe.
A policy of single embryo transfer (SET) has been associated with a reduction in overall perinatal mortality for IVF and ICSI babies. SET has also been linked to lower risks of preterm birth and low birth weight, as well as sequelae such as prematurity and neonatal complications.
Researchers analyzed leaves from herbarium specimens and found a 2mm decrease in leaf width over 127 years. This response highlights the impact of climate change on Australian plant species, with Narrow-leaf Hopbush exhibiting narrower leaves in warmer temperatures.
New research highlights the impact of atmospheric gravity waves caused by thunderstorms on air safety, leading to a call for rewritten guidelines. The study reveals that thunderstorms can produce unexpected turbulence more than 100km away from storm cells, posing risks to passengers.
Depleting groundwater can reduce surface-water flows, harming fisheries and wetland habitats. Creative groundwater management solutions are being adopted by western states and Australia to minimize economic disruption during droughts.
Aaron R. Jex has made significant contributions to the study of parasitic species, developing molecular-based tools for detection and identification. His research also focuses on exploring the genomics and transcriptomics of parasites of global socioeconomic importance.
Research shows that PET/CT imaging can change management plans for 34% of esophageal cancer patients, leading to improved survival rates. The technique provides powerful prognostic stratification and should be incorporated into routine clinical practice.
Researchers at Griffith University are on the brink of an effective human treatment for the deadly Hendra virus, which has killed over 200 people in South East Asia. The therapy attacks the virus by turning off a vital gene and is highly effective in very low doses.
Research suggests that fantasizing about idealized future scenarios can influence people's preferences for learning about the positives over negatives. This can impact decision-making, even for those considering careful deliberations. Positive fantasies can mimic the effects of intentions and lead to biased information acquisition.
Researchers at University of York and GlaxoSmithKline have identified a complex gene cluster responsible for producing the medicinal compound noscapine. This discovery will accelerate breeding of high-noscapine poppy varieties, which could provide a reliable source of this valuable medicine.
Researchers at the University of New South Wales have discovered a potential new way to regulate the immune response, increasing good regulating cells to treat autoimmune diseases. The treatment involves injecting cell-signalling proteins called cytokines, which boost the body's immune system without causing overdrive.
A growing concern overdiagnosis is harming the healthy, with evidence mounting that it's occurring for a wide range of conditions. Overdiagnosis occurs when people are diagnosed and treated for conditions that will never cause them harm.
A recent study published in International Review of Financial Analysis warns fine wine investors not to put all their eggs in one basket by focusing on French wines. Diversification across Italian, Australian, and Portuguese wines could prove a shrewd move for investors looking to minimize risk.
A new index reveals that 71% of Australians live near specialist hospital care and four types of aftercare within an hour's drive. However, rural and remote communities face significant challenges in accessing cardiac care, with Indigenous people living at a lower rate than non-Indigenous Australians.
A recent study suggests that peritonitis, a common infection in dialysis patients on peritoneal dialysis, may be linked to premature death. Researchers found that patients were more likely to develop peritonitis during the final month before their death, and even six times more so during the 30 days prior to their death.
A research team at the University of Melbourne has discovered the biological mechanisms behind drug hypersensitivities, revealing how the immune system perceives the body's own tissues as foreign. The finding could lead to the development of a diagnostic test to determine drug hypersensitivity.
A new 'super-high' oleic safflower has been developed by CSIRO, with the potential to provide over 100,000 hectares of sustainable plant oils. The oil contains over 90% of valuable oleic acid, making it suitable for industrial chemical production and direct use in lubricants.
Scientists have measured a significant decline in Antarctic Bottom Water, a key driver of global ocean currents, with a 60% reduction estimated since 1970. The densest waters are becoming less saline, indicating rapid response to climate changes.
A cap and trade system for interstate water trading could help solve the Colorado River's water supply problems, researchers propose. The system builds on Australia's successful Murray-Darling Basin model, exploring its viability for the US.