Science and research news from Australia. Covers Indigenous language teaching, menopause information, conservation, and open-access agreements.
A survey of Australian citizens reveals growing support for changing Australia Day date due to respect for First Nations people. Reconciliation Day on May 27 is the most popular alternative date, with younger respondents more likely to support a change.
Researchers from Queen Mary University of London reveal that baobab trees originated in Madagascar before traveling to Africa and Australia, where they evolved unique pollination mechanisms. The study provides new insights into how climate change has influenced baobab distribution and speciation patterns over millions of years.
A study found that gene expression in a tropical starfish fluctuates between the seasons, revealing reproductive and stress-related transcriptional systems. The research suggests that these changes may help the starfish adapt to seasonal environmental conditions.
A systematic review and meta-analysis found that low testosterone levels are associated with increased risk of all-cause mortality and cardiovascular death. Men with very low testosterone concentrations had a significantly higher risk of cardiovascular death, regardless of other hormone levels.
A new study from the University of South Australia shows that young children learn about pain through reading, promoting empathy and emotional development. Reading picture books frequently prompts interactions about pain and injury, teaching valuable responses to these concepts.
Scientists have discovered a previously unknown population of the Australian brook lamprey, an ancient and endangered species, in Queensland. The find expands the species' geographic range into truly tropical waters, highlighting the need for conservation efforts to protect this unusual fish.
A study reveals childhood maltreatment causes an estimated 41% of suicide attempts, 35% of self-harm cases, and 21% of depression in Australia. The researchers advocate for policy-driven prevention and interventions to address childhood abuse and neglect.
The world's largest study of cerebral palsy genetics found genetic defects are responsible for over a quarter of cases in Chinese children. Researchers identified 81 genes with causation mutations, indicating that improper brain development may be the underlying cause of cerebral palsy rather than lack of oxygen at birth.
A study by Raheel Ahmed Shaikh and colleagues models the most cost-efficient path to Australia's fully renewable electricity grid. The optimal route would require significant expansion of generation and storage, but could reduce costs with interconnection between eastern and western grids.
This year's winners include Professor Neil Kelleher, Dr. Tamir Gonen, Professor Margaret Sunde, and more, recognized for their pioneering research in top-down proteomics, membrane proteins, amyloid studies, and human health applications.
A new landscape evolution model suggests that the first humans in Australia migrated rapidly across the continent following riverine corridors and coastlines. The study identifies areas of archaeological significance and provides insights into the impact of climate-driven geography on human dispersal.
A team of researchers calls for a logging loophole to be remedied within the Great Koala National Park to prevent harmful outcomes for the South East Australian koala population. The proposed park must also consider the integrity of its broader reserve habitat system and be accorded World Heritage status.
Lateropulsion is a clinical condition that affects around half of all stroke survivors, causing balance problems and hindering recovery. Research suggests it can resolve up to one year post-stroke, but access to ongoing rehabilitation is crucial for its resolution.
A Curtin University study found that breeding less-flatulent cows and restoring agricultural land can significantly reduce methane emissions from Australia's beef and dairy sectors. Researchers identified several strategies to lower emissions, including altering breeding objectives and improving wastewater management.
Recent studies by the University of South Australia reveal that women footballers in general face an uphill battle gaining widespread acceptance in Australia and overcoming entrenched sexism. The research found growing support for women's sport, but minimal coverage from commercial outlets limits opportunities to demonstrate their prow...
Researchers from Flinders University have described three new species of giant fossil kangaroo, finding them more diverse in shape, range and hopping method than previously thought. The new study reveals that these ancient kangaroos were adapted to live in differing environments and even hopped in different ways.
New research from University of South Australia finds that school exclusions exacerbate negative issues rather than resolving them. Vulnerable students face a higher risk of being suspended or expelled, which worsens their circumstances and life chances.
A University of Sydney study found that most advertised items on major online food delivery outlets and applications are missing nutritional information. The study highlights the need for updated menu labelling laws to reflect the rise of online food delivery services, which have become increasingly popular in recent years.
Researchers have developed a new treatment that uses tailored doses of anti-cancer drugs released directly into the surgical cavity to treat liver cancer. The approach has shown promise in reducing recurrence rates and minimizing chemotherapy side effects, with potential applications for other types of cancer.
The International Osteoporosis Foundation has presented the prestigious IOF President’s Award to Professor Peter Ebeling AO in recognition of his longstanding contributions to advancing the work of the IOF. He is an internationally renowned expert in bone health, with a total of over 536 peer-reviewed publications and a h-index of 93.
Researchers have discovered how softer tumor environments prime cancer cells to better survive metastasis. The study found that soft environments alter the cancer cells' preference for 'fuel', equipping them with a more resilient energy pathway.
A new database of 1,500 Indigenous Australian message sticks has been analyzed for the first time, revealing details about the symbols and markings used to convey messages over long distances. The study provides valuable insights into the ancient communication methods employed by Australia's indigenous peoples.
A team of Australian scientists has developed a step-by-step guide to ageing octopus, using growth rings on beaks and stylets to validate age. This tool helps estimate growth rates, reproduction, and maturity, ensuring sustainable fisheries and conservation.
A landmark study by Macquarie University researchers shows that juvenile 'taster toads' can teach goannas to avoid eating poisonous cane toads, preventing population collapse. Goanna populations increased by up to 140% in areas where the 'taster toad' method was trialled.
Researchers analyze degrowth scenarios to reduce emissions, highlighting the need for lower energy demand and technological advancements. The study suggests that fast emissions reductions are possible even with reduced or zero economic growth, but also raises concerns about sociocultural feasibility.
A new study reveals that home-based palliative care pharmacists can improve medication management and enhance communication between patients and their treating teams. This model of care has been proven successful in rural areas, providing relief and comfort to patients, carers, and family members.
A team of scientists has reconstructed the bird family tree using genomic data from over 360 species and nearly 200 fossilized birds. The study found that most modern bird groups appeared within a small evolutionary window, supporting the idea that birds thrived after dinosaurs went extinct.
Researchers found that dwarf rock-wallabies have adaptations to harder biting, including shorter snouts and teeth positioned at the back of the jaw. They also discovered that some tiny species of rock-wallaby have the largest molars, which enable them to eat similar foods as relatives that are eight times larger.
A new study from the University of Illinois explores the effects of curbside compost collection programs in New South Wales, Australia. On average households redirected 4.2 kilograms of waste to composting, representing 25% of the waste that previously went to landfills.
A new study predicts that Australia's soil will become a net emitter of carbon dioxide, releasing more CO2 into the air than it absorbs. This could account for 8.3% of current emissions and worsen climate change unless farming methods are improved.
A recent study outlines a methodology for integrating and harmonising data on plant invasions across Australia. The researchers created a standardised and unified database, the Alien Flora of Australia, to help monitoring and early-warning of alien flora.
Researchers at Flinders University have discovered a bedtime nasal spray that can reduce the severity of sleep apnea in people and lower their blood pressure. The study found that the spray, which blocks potassium channels, improved oxygen levels and reduced markers of OSA severity in 7 out of 10 participants.
A perfect storm of calm weather and limited tidal movement trapped coral eggs in Bills Bay, leading to a massive die-off. However, research by Curtin University shows that some corals were able to survive and that the area has a history of recovering from similar events.
A recent study published in JAMA Pediatrics found a strong negative association between screen time and parent-child talk among children aged 12-36 months. Children exposed to more screen time had fewer adult words, vocalizations, and back-and-forth interactions with parents.
A recent study by Flinders University found that parents are conflicted and concerned about zero-alcohol drinks due to their similarity in taste and appearance. The research suggests that providing these drinks to adolescents may normalize alcohol consumption, leading to increased risks of harm.
A Curtin University study reveals Australian Gen Z's major concerns about climate change, manifesting as anxiety, fear, and feelings of powerlessness. The study suggests that while online activism is important, Gen Z may need to engage in more traditional areas of activism to drive meaningful change.
A world-first study from the University of South Australia reveals that getting a good night's sleep is tied to how you structure your day, with exercise at the heart of sleep quality. Children and adults with higher levels of moderate to vigorous physical activity had less troubled sleep, reduced tiredness, and better sleep quality.
A study published in PLOS ONE found that raised blood pressure has been the leading risk factor for death in Australia for three decades, contributing to at least 44% of cardiovascular disease (CVD) deaths. The research highlights the importance of prioritizing blood pressure control efforts in public health agendas.
A recent study of over 7,000 Australian adults found that reported marital harmony and conflict account for nearly 10% of mental health self-assessments. Financial difficulties and demographic factors also contribute to variation in mental health scores.
Researchers found that childcare workers in informal creche settings need training to better support non-English speaking migrant and refugee children. The study showed that on-site professional learning improved emotional literacies and strategies for supporting these children, resulting in happier outcomes for families.
A new study from the University of South Australia found a link between parents' sideline conduct and athletes' behaviours. When parents behaved well, their child was more likely to project positive behaviour. However, when parents behaved poorly, this was related to greater antisocial behaviours in their child.
New research from Flinders University found that regular exercise and a personalized falls prevention plan based on individual needs can reduce the likelihood of falls. The studies also highlighted the importance of having an individual falls risk assessment and modifying strategies according to specific circumstances, such as dementia.
A recent study by Curtin University found that 1454 avoidable deaths occurred due to fine particle air pollution from extreme events like bushfires and dust storms. The research suggests nearly one-third of these deaths could be prevented if pollution events were reduced by 5 per cent.
The 2019-2020 'Black Summer' bushfires in Australia resulted in a $2.8 billion loss to the tourism industry, with almost 7300 jobs disappearing nationwide. The study found that the impact of the fires was felt across the entire economy, with the Australian tourism industry being particularly vulnerable.
A new review of international research highlights the dangers of forced separation from pets in crisis situations like domestic violence, homelessness, or natural disasters. The study found a lack of support services puts people and animals at risk of distress and harm.
A new study found a statistically significant increase in ambulance callouts for all causes by 10%, with cardiovascular causes rising by 5%. As heatwaves intensify, the risk of ambulance callouts is expected to rise further, highlighting the need for proactive measures to address heat-related health issues.
Researchers found that the life expectancy of AIAN individuals is seven years less than that of White populations, with rapid increases in suicide mortality rates between 1999 and 2020. The study suggests historical trauma and ongoing inequality contribute to high suicide rates among AIAN people.
Researchers found that male antechinus reduce their sleep by 3 hours per night for 3 weeks to focus on mating and reproduction. The study suggests that the marsupials may have a unique ability to thrive with reduced sleep, but the exact mechanisms behind this adaptation are unclear.
Almost a quarter of Australians with disabilities smoke, compared to 12.6% of the wider population. Targeted strategies are needed to address socioeconomic challenges, physical restrictions, and lack of trained professionals.
A systematic review and meta-analysis found that most episodes of back pain recover, even after several months. However, those who experience persistent pain have moderate-to-high levels of disability, highlighting the need for new treatment approaches.
Researchers have documented insecticide resistance in field-collected populations of bluegreen aphids, a worldwide pest of pulses and legume crops. The study highlights the need for new strategies to manage this pervasive pest, as conventional insecticides are no longer effective.
Research from University of South Australia shows professional firefighters have lower movement quality as they age, which could put them at greater risk of injury. Functional strength training can help maintain a fit and healthy workforce.
A study using infrared cameras found that high air and ground temperatures limit numbats' ability to forage in the sun, forcing them to retreat to the shade. Climate change may also make the shade too hot for numbats to survive.
A new study has provided critical information for improving koala care during subsequent fire seasons. Koalas affected by the Australian bushfires were found to have severe footpad burns and lung damage due to smoke inhalation, hindering their tree-climbing abilities and escape from fires.
Researchers have identified internationally significant rock art sites in Arnhem Land that were intentionally selected for their critical vantage points. The Flinders University research team used innovative methods to model the environmental conditions 15,000-28,000 years ago, shedding new light on the locations and roles of these sites.
A large-scale study found exposure to low and high biothermal stress during pregnancy linked to a higher risk of babies being born too small or large for their gestational ages. The study also identified specific subpopulations at higher risk, including non-Caucasian people and those aged 35 and above.
Researchers have developed an AI-powered system to diagnose autism spectrum disorder (ASD) in children using a single flash of light to the eye. The system uses electroretinography (ERG) to identify specific features that classify ASD, providing a faster and more accurate method for diagnosis than existing tests.
Studies published in Nature Medicine show that implementing updated WHO screening guidelines could reduce cervical cancer death rates by over 63% in low-to-middle-income countries. Women with HIV have a sixfold risk of developing cervical cancer, and primary HPV testing can save up to 38 women's lives for every 71 screened.
Research compares US, Australian, and UK gun violence rates to mental illness rates, finding higher US rates without comparable differences in mental illness prevalence. Gun ownership and access to firearms are suggested as plausible but unproven explanations for the disparity.
Research shows that Australian children are at risk of excessive weight gain and declining fitness during school holidays. The two-year study found that body fat increased at a faster pace and aerobic fitness declined faster than in-school periods. Promoting physical activities during holidays could help address unhealthy weight gain.