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 ...
6 hours ago
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Archaeology
New DNA evidence reveals the complex origin of Palau's first settlers
A new genetic study published in the journal Cell is filling in some important details about the earliest inhabitants of Palau, an island nation in the western Pacific Ocean consisting of approximately 340 islands.
7 hours ago
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Using cow dung for sustainable carbon dioxide capture
Climate change is one of the most pressing global challenges in the present times. Increasing carbon dioxide (CO2) concentrations in the atmosphere are a major factor contributing to this phenomenon. Activities such as the ...
Environment
2 hours ago
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Astronomers discover long-period radio transient of unknown origin
Using the Australian SKA Pathfinder (ASKAP), astronomers have discovered a new long-period radio transient source, which received the designation ASKAP J142431.2–612611 (ASKAP J1424 for short). The newfound transient has ...
Scientists create a new state of matter at room temperature using light and nanostructures
Researchers at Rensselaer Polytechnic Institute (RPI) have created a new and unusual state of matter—known as a supersolid—by engineering how light and matter interact inside a nanoscale device. The work, published in ...
Nanophysics
2 hours ago
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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
5 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
5 hours ago
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The cactus on your desk is an evolution speed machine
The cactus on your windowsill may grow slowly, but new research shows that cacti are surprisingly fast at creating new species. Biologists have long thought that pollinators and specialized flowers drive the formation of ...
Plants & Animals
2 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
4 hours ago
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Mitochondria identified as key players in a rare disease causing microcephaly
Human cells have two copies of each chromosome, and this balance is essential for genes to be expressed in the appropriate proportions and for cells to function correctly. When errors occur during cell division and the number ...
Medical Xpress
2 hours ago
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The Future is Interdisciplinary
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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
5 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 ...
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 ...
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
5 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
5 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
5 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 ...
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
5 hours ago
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What's in your lipstick and water? New test flags hidden mutagens
Substances capable of mutating human genetic material—altering and permanently damaging it—are present in many everyday products. Researchers at Justus Liebig University Giessen (JLU) have, for the first time, detected ...
Analytical Chemistry
5 hours ago
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AI model predicts chemical effects on gene expression, speeding drug discovery
Inside a diseased cell, the genes are in chaos. Some are receiving signals to overproduce a protein. Others are reducing activity to abnormal levels. Up is down and down is up. The right molecule could restore order, reversing ...
Biochemistry
2 hours ago
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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 ...
Suspected meteor falling over Cleveland could be seen several states away
A suspected meteor that fell over the Cleveland area on Tuesday shook homes and startled residents who heard a boom that some compared to an explosion.
Engineered anhydrobiotic cells detect odors after years of dry, room-temperature storage
Demand for odor detection is growing in diverse fields such as food security, medical diagnostics, and environmental monitoring, but current technologies face limitations. Living cells with olfactory receptors can serve as ...
