Science and research news from Australia. Covers Indigenous language teaching, menopause information, conservation, and open-access agreements.
A new field campaign will provide crucial details on cloud and precipitation properties in the Southern Ocean. Scientists aim to improve climate models' accuracy with data from this region.
The Australian black swan's genetic makeup makes it highly susceptible to viral illnesses like avian flu. Without common immune genes found in other waterfowl, the species is at risk of decimation if HPAI enters its native habitat.
Researchers have created a genetic map to identify important genes causing sarcoma, a common childhood cancer. The study found that one in 14 individuals with sarcoma carries a clinically significant gene, offering hope for earlier diagnosis and treatment.
A study published in Science Advances reveals that the lifespan of a tree leaf is determined by environmental factors such as climate and soil conditions. The researchers found that evergreen conifers make longer-lived leaves in colder climates, while deciduous trees produce shorter-lived leaves in warmer environments.
Australian scientists developed virtual models to reveal a crucial link between natural flooding and the extinction risk of endangered southern bell frogs. The study found that modern river regulation dramatically increases extinction risk in smaller wetlands.
A clinical trial found that boiling peanuts for up to 12 hours can desensitize children with peanut allergies. The therapy involved sequential doses of boiled and roasted peanuts, achieving high success rates in participants. While promising, the study's findings require confirmation in larger trials.
A new study suggests that reformulating packaged foods in Australia to contain less sodium could save up to 1,700 lives per year. Implementing the World Health Organization's sodium targets may also reduce rates of cardiovascular disease and stomach cancer.
A team of Clemson researchers has developed a new method to evaluate the efficiency of thermoelectric materials, called the figure-of-merit (zT), which considers temperature, electrical conductivity, and thermal conductivity. The new method uses Peltier cooling to measure zT with higher resolution and accuracy.
Scientists discover new Australian bush tomato species, Solanum scalarium, to promote equal and safe access to nature. The study emphasizes the importance of addressing environmental injustices and increasing participation from diverse groups in outdoor activities.
A study published in Addiction journal found a significant decrease in codeine consumption across Australia after the country's most misused legal opioid was switched to a prescription-only medicine. The switch led to a 37% overall drop in codeine consumption, with smaller decreases observed in regional areas.
Australian scientists confirm that Theria (placental and marsupial mammals) evolved in Gondwana 50 million years ago before migrating to Asia. The discovery challenges long-held theories of mammal evolution.
Research reveals therian mammals (placental and marsupials) evolved in Gondwana 50 million years ago, diversifying before migrating to Asia. Advanced imaging techniques helped identify key fossil findings, rewriting the theory of mammal evolution.
Researchers use novel interferometric technique to measure time delay between H2 and D2 isotopes, finding phase shift of nearly 3 attoseconds caused by nuclear motion. The study uses high harmonic generation and advanced theoretical modeling to validate the method.
A new study reveals that child abuse and neglect are associated with significant excess public hospital costs in South Australia. The research found that individual costs increased with age and severity of abuse or neglect, resulting in an 18% cost penalty on the state's public hospital system.
In Germany, community participation in decision-making processes and sharing of financial benefits from renewables projects enhanced public support. However, recent delays and corporate investments have led to resentment. In contrast, Australia's decentralized approach to its power grid, including community energy projects, aims to bri...
Australian children are spending too much time glued to screens and not enough on physical activity, with 80% of kids failing to meet national guidelines. A new review calls for a National Physical Activity Plan involving multiple sectors to address the issue.
Researchers have developed a low-cost staining method to track coral larvae as they disperse and settle in coral reefs. The method uses colored dyes to differentiate between groups or species, facilitating conservation planning, behavioral ecology, and reef restoration experiments.
A long-term study found that eating more than 100 micrograms of vitamin K1 daily reduced the risk of fractures and hospitalizations by 31-49%. Dark leafy vegetables and one-to-two serves of vegetables are recommended for optimal benefits. Vitamin K1 has been shown to enhance cardiovascular health and promote bone health.
Researchers used satellites with radar imaging sensors to map flooding and assess flood impacts in Queensland. The technique combines images from optical satellites with information from imaging radar satellites, providing faster update times and more accurate data.
A new study from the University of South Australia found that eating 30-50 grams of almonds can help people cut back on kilojoules consumed each day. This leads to a reduced energy intake by 300 kilojoules, mostly coming from junk food.
Researchers found that habitat loss and climate-induced food shortages drive pathogen spillover, but preserving and restoring natural habitats can prevent these events. By analyzing data from Australia, the study predicts when viruses like Hendra and Nipah will spill over from bats to humans.
Studies found that sotrovimab reduced the risk of severe covid-19 outcomes by 46% compared to molnupiravir. However, no benefit was found for common heart drugs like ARBs in a randomised controlled trial.
A recent meta-analysis published in Human Reproduction Update reveals a significant worldwide decline in sperm counts of over 50% in the past 46 years. The study also shows an accelerated post-2000 decline in sperm counts globally.
Research has revealed that Fraser Island's formation was tied to the Middle Pleistocene Transition, a major change in earth's climate. This finding suggests that the island's creation and subsequent prevention of sand transport into the Great Barrier Reef set the conditions for coral growth and reef formation.
A new study found that large river dams are significant barriers to platypus movements, leading to increased genetic differentiation and vulnerability to threats. This restriction of movement limits gene flow between groups, making separate populations more susceptible to inbreeding depression and loss of adaptive genetic variation.
Researchers found that 90% of surveyed individuals did not recognize six out of seven endangered species. Increasing public knowledge and recognition can boost conservation support for these vulnerable animals. The study highlights the need for targeted marketing initiatives to change people's perception of lesser-known species.
The editorial urges wealthy nations to step up support for Africa and vulnerable countries in addressing past, present, and future impacts of climate change. The climate crisis has destroyed a fifth of the GDP of the most vulnerable countries.
A team of researchers, working with Traditional Owners in the Tanami desert, discovered 12 boab trees with carvings that tell the stories of Indigenous Australians. The ancient art is equally significant as rock art and is now in danger of being lost due to the tree's soft inner wood.
The British Journal of Sports Medicine has retracted nine non-research articles authored by Dr. Paul McCrory, who was the journal's editor-in-chief from 2001 to 2008. The retraction follows an internal investigation into allegations of publication misconduct made by researcher Dr. Nick Brown.
A large wingless wood-eating cockroach unique to Australia's Lord Howe Island has been rediscovered at the foot of a single Banyan tree. The species was thought extinct since the 1930s, but its genetic difference from offshore relatives suggests it may have survived due to co-evolution with ground-dwelling insects.
Researchers found that song elements' order strongly correlates with rhythmical timing, suggesting a similar processing mechanism as humans. This discovery sheds light on the cognitive processes of songbirds and their potential for musicality.
A free web-based resource called Menstruation Matters has been developed to provide young people with accurate information about menstrual health. The study found that nearly half of participants reported a change in their understanding of what a normal period is, and 94% could identify symptoms of endometriosis.
Scientists have confirmed 68 strong gravitational lenses, transforming our understanding of galaxy evolution and dark matter. The discovery uses machine learning algorithms to identify thousands of potential lenses, opening a new window into studying mass distribution in distant galaxies.
Researchers analyzed data from Australia's Reef Life Survey and two major reef monitoring programs to understand the effects of warming waters on reef fish populations. The study found that temperature changes had a greater impact on temperate reefs, while tropical reefs were more affected by habitat changes such as coral bleaching.
A survey reveals that 87.7% of South Korean mothers of young children face extremely high levels of maternal distress. The findings are more severe compared to a previous Australian study on the same topic.
Researchers uncovered a unique story behind Marra Wonga rock art site, featuring animal tracks, lines, grooves, and hand-related stencils. The site's composition appears to be linked to the Seven Sisters Dreaming story, with designs spread across the length in a particular order.
A new study published in leading journals found that achieving 10,000 steps a day can lower the risk of dementia, heart disease, cancer, and death. However, a faster stepping pace showed even greater health benefits, making walking faster a crucial factor for overall health.
In southern Sydney, cockatoos have developed a unique behavior of opening garbage bins to eat food waste. Humans have responded by using various inventive methods to secure the bins, sparking an 'arms race' between the two species.
Researchers found climate models are less accurate in projecting how tropical cyclones will affect individual coral reefs, highlighting the importance of targeted conservation efforts. The study urges caution when using climate models to identify vulnerable reef communities to storm damage.
A new method for monitoring coral size and growth has been developed using dental scanning technology, reducing surveying time by 99%. This non-destructive approach allows scientists to measure thousands of tiny corals quickly and accurately without harming them, with the potential to expand large-scale monitoring of ocean health.
A new study from the University of South Australia shows that captive frogs can be protected from the deadly fungus Batrachochytrium dendrobatidis (Bd) through natural skin shedding processes. However, captivity also reduces skin bacteria diversity and richness, potentially affecting the frogs' resilience to pathogens.
A study published in Scientific Reports found that Australian bushfires contributed to the highest recorded temperature in the lower stratosphere since the early 1990s. The smoke aerosols emitted by the fires led to a significant increase in stratospheric temperatures, with a modelled temperature spike of around 0.65 degrees Celsius.
A new Australian study reveals that despite growing interest in nature-based learning, teachers need professional development to effectively integrate it into their teaching practices. The research found that seven out of ten teachers felt limited by their knowledge and confidence in using nature play areas to support curriculum goals.
A study published in PNAS confirms the single-origin hypothesis for Australia's invasive rabbits, tracing their ancestry back to Thomas Austin's family in England. Genetic diversity declined as the population spread across the continent, revealing a possible genetic advantage that enabled the rabbits to adapt to Australia's climate.
A study by Florida Atlantic University researchers compared the walking and swimming behaviors of neonate and juvenile epaulette sharks. Contrary to expectations, results showed that differences in body shape did not alter kinematics between early life stages, suggesting a consistent locomotor performance.
Researchers studied the impact of withholding nitrous oxide on labor pain and found no adverse outcomes for mothers or children. Opioid use increased significantly but no change in other measures such as epidural use or Caesarean section rates were observed.
The €15.7 million AUFRANDE project aims to generate industry-relevant research by employing 64 early career doctoral researchers from French and Australian universities. Researchers will receive training and support, including annual workshops and group events, to foster high-performing early-stage researchers.
A new treatment has shown clinically meaningful effects on pain intensity and disability, with participants reporting improved quality of life and long-term benefits. The sensorimotor retraining approach alters how people think about their body in pain and normalizes communication between the back and brain.
A new study by Edith Cowan University identified the most common injury types and body regions affected among police recruits, with knee injuries having the greatest impact. The study also found that men under 30 had a substantially reduced injury risk, highlighting the importance of tailored training programs to reduce injury rates.
Researchers found that ancestral SARS-CoV-2 replicates less efficiently in pediatric nasal epithelial cells, with a heightened antiviral response. This protection is not observed with the Omicron variant, highlighting the need for further study on emerging variants.
A study by Australian National University found that at least 25,245 people in remote communities had access to non-compliant drinking water services. The researchers also identified 408 locations with poor water quality, including 40% of Indigenous communities. A national drinking water database is urgently needed to address these gaps.
A new study published in Zootaxa confirms the discovery of Australia's first fossil vulture, Cryptogyps lacertosus, which lived during the late Pleistocene period. The bird was a scavenger, not a hunter, and its presence highlights the diversity of Australian megafauna and ecosystem implications.
A global team led by researchers from Curtin University used a supercomputer-powered technology to explore the geology of Mars without leaving home. They found that the ancient Martian meteorite NWA 7034 was ejected 5-10 million years ago from the north-east of the Terra Cimmeria - Sirenum province, in the southern hemisphere of Mars.
Researchers analyzed fossil corals to reveal changed ocean current circulation patterns. The data supports a scenario where the upper Pacific Ocean was more mixed during the last ice age, contributing to carbon storage and cooler climates.
A comprehensive dataset of over 1000 shark-human interactions in Australia helps scientists identify patterns linking environmental, biological, or social factors to shark bites. The database can inform decision-making on mitigation measures, such as wetsuit design and shark deterrent devices.
A new study by Flinders University and Charles Darwin University found that efforts to meet employer demands for Australian qualifications result in marginal returns for skilled migrants. Many experienced skills mismatches, especially among IT professionals and those in business and marketing fields, leading to underemployment.
A study of tooth isotopes from Adelaide graves found one person likely born in Adelaide, eight from Britain and Ireland, with three potentially from either location. The results support the overwhelming British origin of colonists in South Australia before 1880.
Bacteria's extreme lifestyle change during UTI infection cycles may hold clues to combating antimicrobial resistance and damage. Researchers used advanced microscopy to study the reversal of filamentation, shedding light on a previously unknown mechanism.
A long-term study has found a connection between abdominal aortic calcification and late-life dementia risk. Researchers discovered that women with medium to high levels of AAC were twice as likely to be hospitalized or die from late-life dementia.
Researchers sequenced the whole genomes of three species of carpenter bees, gaining insights into their gut microbiome, diet, and viral load. They found beneficial bacteria, including Lactobacillus, which protect against fungal pathogens and boost the immune system.