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Science

Photosynthesis without the burn

Too much sun can ruin a day at the beach. It can also ruin photosynthesis, scorching plants and other organisms that depend on capturing sunlight for energy. Beneath the waves, though, algae have found a clever shield. Osaka Metropolitan University researchers and their colleagues discovered that a pigment called siphonein helps marine green algae keep photosynthesis humming, without the burn. Photosynthetic organisms rely on delicate light-harvesting complexes (LHCs) to capture sunlight for energy. During photosynthesis, chlorophyll absorbs light and enters an excited ...

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Science

Not hunters but collectors: the bone that challenges the ‘humans wiped out Australian megafauna’ theory

New research led by UNSW Sydney palaeontologists challenges the idea that indigenous Australians hunted Australia’s megafauna to extinction, suggesting instead they were fossil collectors. The research published today in the journal Royal Society Open Science, opens in a new window focuses on the fossilised tibia (lower leg bone) of a now-extinct, giant ‘sthenurine’ kangaroo. Found in Mammoth Cave in southwestern Australia around the time of the First World War, the bone was later determined to be hard evidence, opens in a new window showing that Indigenous Australians hunted megafauna. Renowned palaeontologist and expert on Australia’s ...

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Science

Humans evolved fastest amongst the apes

Humans evolved large brains and flat faces at a surprisingly rapid pace compared to other apes, likely reflecting the evolutionary advantages of these traits, finds a new analysis of ape skulls by UCL researchers. The paper, published in the journal Proceedings of the Royal Society B, analysed how the evolutionary diversity of the skulls of humans and other related apes evolved over millions of years. They found that the skull structure for humans evolved substantially faster than that of any other closely ...

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Science

Strong evidence supports skin-to-skin contact after birth as standard care

Immediate skin-to-skin contact between newborns and their mothers offers a better start in life, improving a number of key health metrics, according to a newly-updated Cochrane review. The review found that babies who have skin-to-skin contact with their mother within the first hour of birth are more likely to see a variety of benefits, including exclusive breastfeeding, optimal body temperatures and blood sugar levels. While possible benefits for the mother were also studied, such as effects on blood loss and timing of placental delivery, the evidence was less certain. Skin-to-skin involves placing the naked newborn on the mother’s uncovered chest immediately ...

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Why it’s not just about money: Who goes to the ballet, opera and symphony

Why do some people regularly attend the opera, visit art galleries, or go to classical music concerts—while others rarely, if ever, do? The easy answer might be, “They can’t afford it.” But according to recent research from the University of California San Diego Rady School of Management, the real explanation goes far beyond money. The new paper — published in the Journal of the Association for Consumer Research and coauthored by Joe Gladstone, an assistant professor of behavioral ...

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Science

Global supply chains benefit most from who you know

In a time of tariffs and political trade disputes, new UBC Okanagan research shows that it’s not what you know but who you know. And how well you treat them. The research demonstrates that strong and strategic international alliances—not just diversification—are key to protecting supply chains from political trade disruptions. Dr. Amin Ahmadi Digehsara, Assistant Professor in UBCO’s Faculty of Management, says creating strong global supply chain networks requires countries to make strategic decisions about facility locations, how to allocate capacity and how to manage operations across ...

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Science

Contrasting risk profiles for suicide attempt and suicide

About The Study: In this case-control study, risk factors for suicide attempt and suicide incompletely overlapped and may present distinct opportunities for prevention, risk prediction, and suicide-risk screening. Corresponding Author: To contact the corresponding author, Fenfen Ge, MD, PhD, email ffge.ncrr@au.dk. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ (10.1001/jamapsychiatry.2025.3444) Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding ...

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Science

Ideological polarization and the spread of biased or fake news on Facebook are on the rise, according to a study by the UPF

A study led by Pompeu Fabra University (UPF) confirms the rise in ideological polarization and biased or false news posted on Facebook. This groundbreaking research analyzed over 6 million news-related URLs – from 1,231 different domains in the United States – shared on Facebook between 2017 and 2020. The news stories from these four years covered such significant events as the COVID pandemic, the 2020 US presidential elections (which culminated in the attack on Congress following Trump’s loss) and the 2018 midterm elections, in which all seats ...

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Science

New study reveals how tiny but powerful gatekeepers guard the nucleus

Nuclear pore complexes (NPCs) are tiny but sophisticated gatekeepers that control the flow of materials between a cell’s nucleus and its cytoplasm by quickly selecting which molecules to transport across the nuclear membrane. Because NPCs are involved in most key cellular processes, when the transport system goes awry, numerous diseases can result, especially those of a neurodegenerative nature. How each NPC makes a split-second decision about which molecules to allow to pass through its molecular gate is one of biology’s oldest mysteries. Now researchers from The Rockefeller University, working with ...

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Science

Seaweed makes for eco-friendly tissue scaffolds and reduces animal testing

WASHINGTON, Oct. 21, 2025 — Seaweed is found around the world. In fact, the name “seaweed” comprises a diverse range of species, from microscopic phytoplankton to the giant forests found in various bodies of water. Seaweed species aren’t just crucial parts of marine ecosystems, though; they also provide numerous health benefits for humans and have been dubbed a superfood by marketing companies, a term used to encompass healthy, nutrient-rich foods. In Biointerphases, an AVS journal published by AIP Publishing, researchers from Oregon State University found yet another ...

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Science

Twenty-five centers join Bronchiectasis and NTM Care Center Network

Miami (October 21, 2025) – The Bronchiectasis and NTM Association has accepted eight Care Center and 17 Clinical Associate Center sites in 14 states into the Bronchiectasis and NTM Care Center Network (CCN). The CCN includes 58 centers across the United States. The CCN aims to facilitate access to specialized care and support for the hundreds of thousands of people with bronchiectasis and nontuberculous mycobacterial (NTM) lung disease. “The prevalence of bronchiectasis and NTM lung disease continues to increase. Patients deserve access to high-quality, specialized care and resources,” said Doreen Addrizzo-Harris, M.D., Chair of ...

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Science

Botox-like substance brings relief to Ukrainian war amputees

Study involved 160 amputees treated at two hospitals in Ukraine At one month, botulinum toxin group saw a four-point pain drop versus one point for standard care group At three months, the trend shifted as effects of botulinum toxin waned Senior author is a retired U.S. Army colonel and physician who traveled to Ukraine to launch the study and collaborate with local doctors CHICAGO --- Botulinum toxin injections provided greater short-term relief for phantom limb pain than standard medical and surgical care among Ukrainian war amputees, reports a new study led by Northwestern ...

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Science

People with dark personality traits use touch to manipulate their partners

A hug can soothe your mind, reduce your stress and actually activate oxytocin, the “love hormone,” in your body. But new research from Binghamton University, State University of New York reveals that not all hugs are harmless – some partners use touch as a means of control. People with “dark triad” personality traits – narcissism, psychopathy and Machiavellianism – are more likely to use touch to manipulate their partners, according to a new paper published in Current Psychology by Richard Mattson, professor of psychology at Binghamton University, and a team of students. “What’s new about our work ...

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Science

Offline interactions predict voting patterns better than online networks

Offline social networks, revealed by co-location data, predict US voting patterns more accurately than online social connections or residential sorting. Michele Tizzoni and colleagues analyzed large-scale data on co-location patterns from Meta’s Data for Good program, which collates anonymized data collected from people who enabled location services on the Facebook smartphone app. Colocation is defined as two people being within the same map tile, which is less than 600×600 meters, depending on latitude. The political affiliation of each person was inferred ...

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Science

How hard is it to dim the Sun?

Once considered a fringe idea, the prospect of offsetting global warming by releasing massive quantities of sunlight-reflecting particles into Earth’s atmosphere is now a matter of serious scientific consideration. Hundreds of studies have modeled how this form of solar geoengineering, known as stratospheric aerosol injection (SAI), might work. There is a real possibility that nations or even individuals seeking a stopgap solution to climate change may try SAI—but the proponents dramatically ...

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Science

Exotic roto-crystals

21 October 2025 – It sounds bizarre, but they exist: crystals made of rotating objects. Physicists from Aachen, Düsseldorf, Mainz and Wayne State (Detroit, USA) have jointly studied these exotic objects and their properties. They easily break into individual fragments, have odd grain boundaries and evidence defects that can be controlled in a targeted fashion. In an article published in the Proceedings of the National Academy of Sciences (PNAS), the researchers outline how several new properties of such “transverse interaction” ...

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Science

Dr Harriet Kildahl joins PeroCycle as Technical Director

University of Birmingham spin-out PeroCycle has announced the appointment of Dr Harriet Kildahl, who co-invented the company’s core technology, as Technical Director. Dr Kildahl, who devised the closed loop carbon recycling system technology with Professor Yulong Ding at the University of Birmingham, U.K., joins the PeroCycle team after a three-year stint in Environmental, Social, and Governance (ESG) consulting. Her appointment forms a powerful partnership with PeroCycle CEO Grant Budge, who has led the ...

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Science

Genetic link discovered between childhood intelligence and parental longevity

EDINBURGH, Scotland, UNITED KINGDOM, 7 October 2025 -- Researchers led by Dr. W. David Hill at the University of Edinburgh have identified a significant genetic correlation between childhood cognitive function and longevity, providing the first molecular genetic evidence that intelligence measured in youth shares genetic factors with lifespan. Published today in the peer-reviewed journal Genomic Psychiatry, this Brevia represents a crucial advance in understanding why more intelligent children tend to ...

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Science

Digestive issues more common during perimenopause and menopause

CLEVELAND, Ohio (Oct 21, 2025)—Digestive health issues are highly prevalent among perimenopausal and menopausal women, with many reporting the onset or exacerbation of symptoms during this life stage. Despite symptom burden, formal diagnoses and effective treatment remain limited. That’s the conclusion of a new study focused on gut health during the menopause transition. Results of the study will be presented at the 2025 Annual Meeting of The Menopause Society in Orlando October 21-25. The hormone changes experienced during perimenopause and menopause ...

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Science

Life in the fast (and slow) lanes for salmon

Kyoto, Japan -- Life-history variation is fundamental to the long-term persistence of populations and species because it ensures their ability to adapt to changing environments. Many important studies have focused on life-history variation between habitats, but the variation maintained within a habitat has often been overlooked. Unravelling this puzzle at the landscape level is critical for understanding the spatial scales at which adaption and population persistence operate in nature. This motivated a team of researchers at Kyoto University to investigate life-history variation in masu salmon. "We wanted to understand how the variation in life-history is partitioned within and ...

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Science

Early natural menopause linked with higher risk of metabolic syndrome

CLEVELAND, Ohio (Oct 21, 2025)—The prevalence of metabolic syndrome, a dangerous and potentially deadly condition, increases with menopause. That’s the result of decreasing estrogen that protects against these metabolic conditions. A new study not only identified the prevalence of metabolic syndrome but also sought to determine its association with the age of natural menopause. Results of the study will be presented at the 2025 Annual Meeting of The Menopause Society in Orlando, October 21-25. Metabolic syndrome is a serious condition because it is a cluster of risk factors, including obesity, high blood pressure, ...

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Science

The role of genetics in modifying the link between earlier menopause and memory decline

CLEVELAND, Ohio (Oct 22, 2025)—Women are significantly more likely than men to develop Alzheimer’s disease. Earlier age at menopause is associated with a greater risk for late-life cognitive decline and Alzheimer’s disease. A new study suggests that this risk is even higher in women who carry the APOE e4 gene variant or who have systemic inflammation. Study results will be presented at the 2025 Annual Meeting of The Menopause Society in Orlando October 21-25. There are a number of reasons why women are more likely than men to develop Alzheimer’s ...

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Science

Female bodybuilders at risk of sudden cardiac death

Sudden cardiac death is responsible for an unusually high proportion of deaths in female bodybuilders worldwide, according to research published in the European Heart Journal [1] today (Tuesday). Sudden cardiac death is when someone dies suddenly and unexpectedly due to a problem with their heart. It is generally rare in young and seemingly healthy individuals. The study found the greatest risk among women competing professionally. It also revealed a high proportion of deaths from suicide and homicide ...

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Science

Garment factories are sweltering. These simple fixes could keep workers safe

Garment workers face some of the most precarious working conditions in the world and are increasingly at risk from extreme heat stress caused by climate change. A new University of Sydney-led study reveals how simple, affordable interventions could offer critical protection to those working in dangerously hot conditions. Published in The Lancet Planetary Health, the study identifies low-cost and scalable strategies that can reduce heat stress and protect worker productivity in Bangladesh’s ...

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Science

A 'Rosetta Stone' for molecular systems

Penn Engineers have developed a mathematical “Rosetta Stone” that translates atomic and molecular movements into predictions of larger-scale effects, like proteins unfolding, crystals forming and ice melting, without the need for costly, time-consuming simulations or experiments. That could make it easier to design smarter medicines, semiconductors and more. In a recent paper in Journal of the Mechanics and Physics of Solids, the Penn researchers used their framework, Stochastic Thermodynamics with Internal Variables (STIV), to solve a 40-year problem in phase-field ...

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