Trends in youth mental health from 1990 to 2021 reveal a pandemic-era surge
Adolescence, the stage of development between childhood and adulthood, is characterized by many profound physical, mental, and emotional changes. During this critical stage, young people can experience various difficulties ...
9 hours ago
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Condensed Matter
Discrete time crystal acts as a usable sensor for weak magnetic oscillations
The bizarre properties of discrete time crystals could be harnessed to detect extremely subtle oscillations of magnetic fields, physicists in the US and Germany have revealed. Publishing their results in Nature Physics, a ...
12 hours ago
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Earth's toughest microbes could help save the planet and find life on other worlds
Extremophiles may well be tiny, but they are making a huge contribution to the health of our planet and our lives. A new review of these microorganisms, published in the journal Frontiers in Microbiology, explains how they ...
Physicists trace the sun's magnetic engine, 200,000 kilometers below its surface
Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense magnetic activity and often trigger solar eruptions—appear at mid-latitudes and migrate toward the ...
Astronomy
8 hours ago
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'Rock clock' refines time measurement of Earth's early complex animal life
How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock clock" that allows major ...
Earth Sciences
8 hours ago
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Nanoengineered spintronic device can store data in four different ways
Over the past decades, electronics engineers have been trying to develop increasingly smaller devices that can store information reliably, even when they are not powered on. A promising type of non-volatile memory device ...
Experiment observes quantum radiation reaction as electrons hit an ultra-intense laser
For the first time, a quantum radiation reaction in strong electromagnetic fields has been demonstrated experimentally by allowing electrons to collide with an extremely intense and powerful laser beam. The research findings ...
Optics & Photonics
8 hours ago
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Smartwatch and blood test data combine to better predict insulin resistance and diabetes
Around 20–40% of the general population are estimated to have insulin resistance—a condition where insulin begins to be less effective in the body, and glucose regulation becomes more difficult. Eventually, this can lead ...
Changes in pace of epigenetic clocks over time may help predict mortality risk
The age on your driver's license may not be the same age as the cells in your body. Scientists use something called an epigenetic clock, which looks at certain chemical tags in DNA to measure your biological age, or how fast ...
AI chatbots' tendency to always agree may reinforce delusions in vulnerable users
The integration of large language model-based AI chatbots into multiple facets of our everyday lives has opened us up to advantages that would have been considered impossible even a decade ago. The same development has, however, ...
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Tech Xplore
Record efficiency achieved for perovskite-silicon triple-junction solar cells
Nanoscale hotspots in OLEDs may shorten their lifespans in phones and TVs
What flocking birds can teach AI about reducing noise
Off-grid buildings cut emissions with solar roof innovation
Researchers reveal safer way to manage chemical sewage sludge using pyrolysis
Nvidia rides 'claw' craze with AI agent platform
Nvidia making AI module for outer space
Nvidia CEO heralds 'inference inflection' as next phase of AI boom, backed by $1 trillion in orders
Key transistor for next-generation 3D stacked semiconductors operates without current leakage
Mechanically activated liquid metal powder lets users draw circuits on paper
Quantum-inspired laser system delivers distance measurements with sub-millimeter accuracy
A new laser range-finding technique, inspired by quantum physics, that can measure distances under strong solar background has been demonstrated by researchers at the University of Bristol. The team has proved their hypothesis ...
Optics & Photonics
7 hours ago
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Record efficiency achieved for perovskite-silicon triple-junction solar cells
Researchers from the Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) in EPFL's School of Engineering and CSEM have developed a new solar cell that combines exceptional voltage, high efficiency, and scalable manufacturing. ...
Energy & Green Tech
8 hours ago
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Solar energy transforms polystyrene waste into valuable chemicals using sulfur
Turning waste into wealth may no longer be just a marketing slogan, as a team of researchers in China has found an eco-friendly way to do exactly that. The abundant sunlight our planet receives was put to use for transforming ...
Scientists discover new heavy proton-like particle at CERN
Scientists from the University of Manchester have played a leading role in the discovery of a new subatomic particle at CERN's Large Hadron Collider (LHC). The particle, known as the Ξcc⁺ (Xi‑cc‑plus), is a new type ...
General Physics
10 hours ago
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Bow and arrow arrived about 1,400 years ago across western North America, study finds
A study clarifies the date of an important technological milestone: the adoption of the bow and arrow in western North America. The replacement of older weapons by bows and arrows occurred independently in several prehistoric ...
Archaeology
7 hours ago
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Hidden drug reservoirs in cancer cells could explain treatment resistance
One of oncology's biggest challenges is that the same treatment can work well for some patients but fail completely in others. A study published in Nature Communications, by a multidisciplinary team led by Dr. Louise Fets ...
Medical Xpress
8 hours ago
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AI model improves flood forecasting with higher accuracy than current methods
New paired studies from the University of Minnesota Twin Cities show that machine learning can improve the prediction of floods. The studies, published in Water Resources Research and the Proceedings of the IEEE International ...
Earth Sciences
8 hours ago
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Compostable robot endures over 1 million uses before becoming plant food
The rapid proliferation of robots and electronic devices is placing the world under a new and growing environmental burden. According to the United Nations Institute for Training and Research (UNITAR), global electronic waste ...
Robotics
8 hours ago
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Asteroid Bennu's rugged surface baffled NASA—now, we finally know why
In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged world covered in large boulders, with few of the smooth patches that earlier observations from Earth-based ...
Planetary Sciences
9 hours ago
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'Conflict entrepreneurs': Examining divisive political rhetoric and the pursuit of celebrity by politicians
American politics is increasingly characterized by high levels of polarization and divisive rhetoric, despite stated preferences among voters for civility and substantive debate. Sean J. Westwood and colleagues sought to ...
Political science
7 hours ago
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Targeted alpha therapy: One compound holds promise for unified cancer care
ORNL is a leader both in developing advanced radiotherapies and in providing the radioisotopes needed for those therapies. According to Karen Sikes, director of the National Isotope Development Center, the lab is home to ...
Dallas-Fort Worth has untapped innovation potential, study says
Dallas-Fort Worth has all the right ingredients to be a national powerhouse for innovation—from a robust economy, world-class research universities to a diverse, dynamic workforce—yet an SMU-led study found the region ...
New material can collect clean and safe drinking water from the air
Climate change, population growth, conflict and humanitarian crises are putting increasing pressure on the world's water resources. That is why Norwegian researchers are looking into whether atmospheric water generators can ...
Research reveals hidden ocean heat waves threatening South China Sea ecosystems
The South China Sea (SCS), a vital marine region supporting rich biodiversity, productive fisheries, and extensive coral reefs, faces growing threats from marine heat waves (MHWs). While surface MHWs have drawn attention, ...
Researchers explore new ways to neutralize germs using light-activated nanomaterials
At Empa, an interdisciplinary research institute for materials science and technology within the ETH Domain, researchers are working on ways to kill harmful bacteria and viruses. In the Nanomaterials in Health Lab, headed ...
How Edvard Munch's painting 'The Scream' might look in 300 years' time
If your great-grandparents ever saw "The Scream," they probably experienced a slightly different painting than the one we see today. Edvard Munch used materials that make his paintings vulnerable to the ravages of time. A ...
Decline in Japanese chum salmon linked to climate change
Today, most of the salmon consumed in Japan is imported from countries like Chile and Norway, according to the Ministry of Agriculture, Forestry and Fisheries. But just two decades ago, Japanese chum salmon made up a much ...
Why models and longitudinal data on adherence to non-pharmaceutical interventions must come together
An interdisciplinary team of authors from Canada, Austria, the U.S. and Germany has outlined how immuno-epidemiology and individual decision-making on non-pharmaceutical interventions (NPIs) can be understood jointly in the ...
Some Canadians are willing to eat insect-based food, but conditions apply
Going to the grocery store these days can be a painful experience, with record-high price hikes biting into Canadian food budgets. However, as many societies around the world already know, a cheap, plentiful source of protein ...
Statistics that tell the whole truth? It's as easy as ABC
It's said that statistics don't lie, but they often don't tell the whole truth, either. A Cornell statistics expert has come up with a method he believes can boost statistical power and significantly reduce bias—vital for ...
Sunscreen produces persistent free radicals when exposed to light, study finds
Research from the Department of Environmental Health Sciences explores how common sunscreen ingredients behave under light exposure. Led by associate professor Eric Vejerano, the team tested seven commercially available sunscreens ...
The autonomy of universities in the U.S. falls far behind peer group, analysis finds
Academic freedom continues to decline worldwide. Over the last decade, it has declined in 50 countries, while only nine countries have registered improvements. The countries that have experienced a decline include several ...
Bacterium that may protect against long COVID identified
According to WHO, approximately 6% of the worldwide population who contract COVID-19—some 400 million people—go on to develop a long-lasting form of the disease. These figures demonstrate that the persistent form of the ...
Climate policies can reduce emissions from economic growth in wealthy nations
Scientists have debated for decades whether economies can continue to grow without increasing greenhouse gas emissions. A new study by a Penn State researcher has found that this may be possible, but only under strict conditions ...
The cost of cold: Economics research links frozen crops to domestic violence
In December 2023, the Peruvian Andes were hit by a severe drought followed by a wave of nighttime freezing temperatures. The "cold shock" didn't just wither crops and cause widespread hunger; it reached deep into the homes ...
Why some people still believe that aliens shaped ancient civilizations
Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?
Largest UK study to date uncovers hidden chemical risks in waste-to-energy residues
Energy-from-waste facilities are often positioned as a cleaner alternative to landfill, transforming rubbish into electricity and reducing the UK's waste burden. But new research suggests that there may be a hidden cost to ...
CO₂ storage in the sea may pose risks to marine life, oyster study finds
The ocean naturally absorbs CO₂ from the atmosphere, acting as a carbon sink. This capacity is determined by a natural chemical property referred to as ocean alkalinity. If the alkalinity increases, the ocean has the potential ...
Why universities still struggle to make degrees accessible for disabled students
The higher education sector is more aware of disability than it was a few years ago. Universities are more willing to provide support, and attitudes have improved. What students describe day to day, however, tells a different ...
'Spiderman' cells trap viral genomes in their web
Scientists have discovered a defensive method of cells that resembles Spiderman shooting his web to ensnare enemies. These cells defend our bodies from the early stages of viral infection by synthesizing a sticky "web" to ...
