Optics & Photonics
Lightsaber-like plasma antenna uses laser-ionized air to transmit radio waves
Researchers have demonstrated a technique that uses a laser to produce a plasma beam antenna capable of transmitting radio waves. The article, "Laser-Induced-Plasma-Filament Antenna Transmitting 30 MHz VHF," is published ...
54 minutes ago
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Earth Sciences
Why Great Plains rivers depend on wetlands as well as climate
When a prairie river carries more water in one year than another, the obvious place to look for an explanation is the sky. A year with more snow and rain should have more water in rivers. That was also how I initially thought ...
14 minutes ago
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Lipid signals help cells seal the damage from bacterial attacks, researchers discover
Epithelial cells form the body's frontline barriers, helping keep microbes, toxins and other harmful substances out. Yet these protective cells are constantly exposed to threats, including microbial infections. Some bacteria ...
Cell & Microbiology
1 hour ago
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US-German trio wins medicine Nobel for work on optogenetics
The Nobel Prize in medicine was awarded Monday to U.S. psychiatrist and neurologist Karl Deisseroth and German scientists Peter Hegemann and Georg Nagel for their pioneering work in the neuroscience field of optogenetics.
Other
7 hours ago
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Farmer-macaque conflict in Algeria poses a complicated conservation challenge
One of the hardest challenges in wildlife conservation arises when the habitat of a species in need of protection overlaps with land used by humans. Wolves and bears can kill livestock, elephants can damage homes and other ...
Ecology
1 hour ago
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'Flying rivers' above South America form drainage networks resembling those on land
Water does not flow only through rivers on the ground. Vast quantities of water also move through the atmosphere, carried by winds from oceans and land before eventually falling as precipitation hundreds or even thousands ...
Earth Sciences
2 hours ago
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Tired now—or thinking faster? Both are linked to a harder time pushing through fatigue later
Many people continue working, studying or completing everyday chores even when they feel tired and their energy is low. However, reliably completing tasks while fatigued can require considerable mental effort.
Inflammation may push people with obesity toward easier, often less healthy food choices
Around half of people who are severely overweight have mild inflammation in their bodies. Research by neuroscientist Judith Scholing of the Donders Institute at Radboud University shows that this inflammation can cause people ...
Medical Xpress
54 minutes ago
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One dose of protein-targeting CAR-T cells shrinks solid tumors in preclinical tests
CAR-T cell therapies have fundamentally transformed the treatment of several blood and lymph node cancers. However, their use in solid tumors such as liver, breast or lung cancer has so far been significantly more difficult. ...
Medical Xpress
1 hour ago
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Rare genetic variants linked to lower cognitive test scores in expanded analysis
The largest genetic study of cognition to date has been published, involving nearly half a million people of European ancestry. This provides a new understanding of the genetic factors that shape cognitive differences and ...
Medical Xpress
1 hour ago
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The Future is Interdisciplinary
Find out how ACS can accelerate your research to keep up with the discoveries that are pushing us into science’s next frontier
Medical Xpress
Tech Xplore
Tires instead of a plug: Electric buses that charge during operation
Does the gender pay gap extend to AI? Research finds female AI agents 'paid' less
AI needs safety layers like nuclear plants: Ex-OpenAI engineer
New material provides boost to carbon capture technologies
Visual illusion reveals what today's AI vision is missing
Renewable energy is reshaping what operators need to know to keep grids stable
The electric car myths Australians can't shake
Cement-based supercapacitors could power next-generation 'smart' buildings
No detectable increase in pregnancy risks after GLP-1 exposure around conception, largest review to date finds
Exposure to GLP-1 weight-loss and diabetes drugs around conception is not linked to a clearly detectable increase in adverse outcomes for mothers or babies, according to the largest study of its kind, involving more than ...
Medical Xpress
2 hours ago
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Tortoises win support, hyenas face doubts in survey on adding exotic wildlife to UK parks
Zebras grazing in a UK park might sound like the stuff of a high-budget Hollywood blockbuster, but new research suggests it could one day be vital in the fight against climate change, and that the British public might not ...
Plants & Animals
2 hours ago
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Counting to 5 reveals how children's 'inner speech' develops
Even when we are not speaking aloud, we often talk to ourselves in our heads, using language to guide our thoughts and actions. This is known as "inner speech" and is involved in cognitive functions such as attention and ...
Medical Xpress
5 hours ago
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2
How rotting food in the kitchen and a whiff of vinegar led to a 'happy' agricultural accident
Rutgers scientists have identified natural repellents against an invasive blueberry pest, a discovery made accidentally when fruit flies invaded their laboratory.
Cell & Microbiology
2 hours ago
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Atom-thin material could overcome key transistor bottleneck for next-generation computer chips
If computer chips could be built from semiconductors just one atom thick, they could pack far more transistors into a smaller space while using less power. So far, however, the technology has been held back by the weakness ...
Same calories, different responses: Food processing influences metabolism and brain activity
Most nutrition science suggests that meals with the same basic nutritional profile will have the same impact on a person's blood sugar.
Medical Xpress
9 hours ago
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Researchers discover why 'zombie cells' accumulate with age
As we grow older, our bodies accumulate "zombie cells"—living cells that have stopped dividing or functioning normally but linger in our tissues, contributing to chronic inflammation and age-related diseases. A new study ...
Medical Xpress
3 hours ago
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Extinct bovine species discovered in Siberia reveals lost relative of yaks
DNA analyses of ancient remains have revealed a previously unknown extinct bovine species that inhabited southern Siberia during and even before the last ice age. The extinct species was related to modern yaks but followed ...
Plants & Animals
3 hours ago
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The phoenix planet: Astronomers find a world reborn from its star's ashes
Astronomers have discovered the first example of a second-generation planet orbiting a white dwarf, a world that appears to have formed from the remains of the dead star it now orbits.
Astronomy
3 hours ago
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'Wireless energy internet' roadmap charts path to light, heat and motion without batteries
Wireless charging has already transformed how people power phones, wearables and even electric vehicles. The next leap is to advance wireless technologies beyond delivering electrical energy to directly producing nonelectrical ...
Energy & Green Tech
3 hours ago
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Whether it's banning books or preventing artists from touring, silencing often backfires
If the goal was to silence rapper Macklemore by preventing him from touring with singer Ed Sheeran, it clearly backfired. Macklemore delivered a monolog in support of Palestinians in Gaza and the West Bank and performed his ...
Why can't people regenerate limbs like salamanders?
Imagine losing an arm and simply growing a new one. This amazing ability of regeneration isn't just something from a superhero movie—it actually happens in real life for some animals.
Waste plastic yields carbon quantum dots with emissions tunable from UV to yellow-green
Carbon quantum dots (CQDs) are fluorescent carbon nanomaterials with potential applications in sensing, optoelectronics, displays, anticounterfeiting and environmental technologies. Their optical properties can be adjusted ...
Resource scarcity influences maternal brain activity and caregiving in rats
When mothers do not have the necessary resources to raise their children, this adversity causes substantial stress that can hinder caregiving and lead to postpartum depression. In a new study in JNeurosci, Millie Rincón-Cortés ...
Space radiation sparks: A biological cascade of cancer
Deep space travel comes with a huge potential downside—radiation exposure that can kill an astronaut either quickly or slowly over time if not managed correctly. But what exactly does that mean, and is there any way to handle ...
X-rays and AI reveal how spacecraft heat shields burn in real time
Heat shields are one of the most important parts of any spacecraft that intends to enter an atmosphere. And the material they are made of is critical. Improving them has been a challenge, though, as researchers typically ...
Bumblebees carry bacteria-killing viruses to cherry blossoms, reducing bacterial populations in experiments
As they fly about their usual business of pollinating flowers, bumblebees could help protect fruit trees from disease by carrying a natural treatment directly to where it is needed.
Ofsted wields great power in school choices, research finds
Ofsted reports are an influential factor parents consider when choosing an elementary school, with families abandoning schools after poor reports, according to new research.
Study finds that to counter misinformation online, we need to copy its style
Imagine you're worried about vaccinating your baby. A message on Facebook tells you: "Protect the community and your kids by booking their vaccinations today." Another asks: "Do you know all the effects of childhood vaccinations ...
International study finds ethnic minorities have less trust in police
A new study led by an academic staff member from the University of Otago – Ōtākou Whakaihu Waka has analyzed trust between police and ethnic minorities in Aotearoa New Zealand and the United States, revealing meaningful similarities ...
We know how to end homelessness. We just won't pay for it
Japan has the lowest measured rate of homelessness of any wealthy nation. Finland is the only country in Europe that has driven homelessness down over decades rather than watched it climb.
Kauri dieback threatens more than trees—it could change how much carbon forests store
Kauri are among Aotearoa New Zealand's tallest and longest-lived trees—and their place in our cultural landscape looms equally large.
Tribal members saw pinyon-juniper woodlands declining, new study confirms
Pinyon pines and juniper trees spread across the mid-elevation slopes of the American West, including California's Eastern Sierra. These hardy, short-statured trees are one of the most widespread vegetation types on federal ...
Hunter-gatherer societies reveal inequalities in power, status and resources, review finds
On the shores of Lake Eyasi in northern Tanzania, a small number of people still hunt and gather their food. Today, a Hadza hunter has taken down an animal—a kudu. He can't carry it by himself, so he cuts his poisoned arrow ...
Misophonia: When everyday sounds become unbearable
Most people find some sounds unpleasant, such as a baby crying or a siren, because of features such as their pitch, frequency or loudness. However, for some people, very ordinary sounds, such as chewing, sniffing, breathing, ...
The 'dream job' myth: Why a fulfilling career does not have to define your life
At some point, most of us have heard the same advice about work: find a job you love, and you'll never work a day in your life. The idea of a "dream job" sounds inspiring, even noble; it suggests that work can be a source ...
Making the most of city life for older people: 3 debunked mobility myths
Old age is often associated with reliance on others, loss of independence and inactivity. But these simplistic notions mask the diversity of people's experiences as they age, and can also lead to unsuitable policies and interventions—or ...
LGBTQ+ Australians report higher rates of psychological distress, national survey finds
A Monash University study analyzed data from the Australian Bureau of Statistics' 2020–2022 National Study of Mental Health and Wellbeing and found more than half of cisgender nonheterosexual Australians and more than one-third ...
Scientists uncover recurrent patterns within chaotic quantum behavior
Many complex quantum systems rapidly lose the recognizable patterns of their initial states as their components interact. To describe patterns of regular and chaotic motion in specific systems, physicists can construct a ...
US-German trio wins medicine Nobel for work on optogenetics
The Nobel Prize in medicine was awarded Monday to U.S. psychiatrist and neurologist Karl Deisseroth and German scientists Peter Hegemann and Georg Nagel for their pioneering work in the neuroscience field of optogenetics.
