Electronics & Semiconductors
Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
Over the past few decades, solar cells have become increasingly widespread, with a growing number of individuals and businesses worldwide now relying on solar energy to power their homes or operations. Energy engineers worldwide ...
2 hours ago
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Cell & Microbiology
Structure of lipid-transfer tunnel protein in C. elegans revealed
Oregon Health & Science University, in collaboration with Oregon State University, has discovered the structural organization and protein components of a lipid-transfer complex known as LPD-3. Findings show that LPD-3 contains ...
2 hours ago
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65
Ultrafast optical technique reveals how electrical double layers form in liquids
Charged surfaces in contact with liquids—such as biological cell walls or battery electrodes—attract oppositely charged ions from the liquid. This creates two distinct charged regions: the surface itself and a counter-charged ...
Optics & Photonics
19 hours ago
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65
Gapless genome sequence reveals hybrid origins of Hong Kong's iconic orchid tree
April 25 is International DNA Day, and it marks the completion of a decade-long project to sequence the DNA of Hong Kong's floral emblem, the Hong Kong Orchid Tree Bauhinia x blakeana Dunn.
Plants & Animals
22 hours ago
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10
Up to 42% of insect behavioral experiments not reproducible across laboratories
If an experiment is repeated under similar conditions, the results should be the same. In reality, the situation is often different—scientists speak of a "reproducibility crisis," which affects different disciplines.
Plants & Animals
Apr 25, 2025
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71
Scientists develop novel strategy to enhance water oxidation catalysis
A research team has developed a highly stable and efficient water oxidation catalyst, marking a major advancement in the field of green hydrogen production via water splitting technology.
Analytical Chemistry
23 hours ago
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Observatory develops high-efficiency muon detection system with novel plastic scintillator design
Researchers from Sun Yat-sen University (SYSU) and the Institute of High Energy Physics (IHEP) have developed a novel top veto tracker system for the Taishan Antineutrino Observatory (TAO) experiment.
General Physics
Apr 25, 2025
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1
Why our waistlines expand in middle age—aging stem cells shift into overdrive
It's no secret that our waistlines often expand in middle age, but the problem isn't strictly cosmetic. Belly fat accelerates aging and slows down metabolism, increasing our risk for developing diabetes, heart problems and ...
Overweight & Obesity
Apr 25, 2025
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171
'Zombie' skin cells may be harmful or helpful, depending on their shapes
Senescent skin cells, often referred to as zombie cells because they have outlived their usefulness without ever quite dying, have existed in the human body as a seeming paradox, causing inflammation and promoting diseases ...
Diseases, Conditions, Syndromes
22 hours ago
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67
Cutting the complexity from digital carpentry: System turns simple sketches into digital schematics
Many products in the modern world are in some way fabricated using computer numerical control (CNC) machines, which use computers to automate machine operations in manufacturing. While simple in concept, the ways to instruct ...
Engineering
Apr 25, 2025
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Simulation Belongs Where Decisions Are Made
Custom apps bring the benefits of simulation to those who need it, when they need it, in a format that makes sense in their context.
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
Why our waistlines expand in middle age—aging stem cells shift into overdrive
'Zombie' skin cells may be harmful or helpful, depending on their shapes
Serotonin system's hidden complexity may reshape understanding of day-to-day decision making
Study identifies how malaria can lead to childhood cancer
Short-term antibiotic use linked to long-lasting resistance in gut bacteria
Novavax COVID vaccine moves closer to full FDA approval
20-year screening program drives down colorectal cancer cases and deaths
Medical debt tied to higher likelihood of forgone mental health care
Survey reveals women may be experiencing perimenopause in their 40s
US Preventive Services Task Force recommends counseling to prevent perinatal depression
In Down syndrome mice, 40Hz light and sound improve cognition, neurogenesis and connectivity
Spinal fluid biomarker offers early and accurate Parkinson's disease diagnosis
Brain networks study examines the transition from early to chronic psychosis
Tech Xplore
Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
A green technology for the closed-loop recycling of vat dyed textiles
More power grid connectivity in Western US could supercharge clean energy
AI policies in Africa: Lessons from Ghana and Rwanda
Research shows humans are still better than AI at reading the room
Alaska, rich in petroleum, faces an energy shortage
Serotonin system's hidden complexity may reshape understanding of day-to-day decision making
Our lives are filled with binary decisions—choices between one of two alternatives. But what's really happening inside our brains when we engage in this kind of decision making?
Psychology & Psychiatry
23 hours ago
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5
Short-term antibiotic use linked to long-lasting resistance in gut bacteria
Stanford University researchers report that ciprofloxacin use drives persistent antibiotic resistance in human gut bacteria, with resistance emerging independently across diverse species and enduring for over 10 weeks.
New quantum optics theory proposes that classical interference arises from bright and dark states of light
Classical physics theories suggest that when two or more electromagnetic waves interfere destructively (i.e., with their electric fields canceling each other out), they cannot interact with matter. In contrast, quantum mechanics ...
Hey, what are these curved green flashes above my polymer semiconductor?
In every scientific discovery in the movies, a scientist observes something unexpected, scratches the side of his or her forehead and says "hmmmmm." In just such a moment in real life, scientists from Canada observed unexpected ...
Children born before 34 weeks show lasting cognitive lag behind peers
Karolinska Institutet researchers report that children born before 34 weeks of gestation show persistent deficits in cognitive abilities at ages 9 to 10. Impairments appear independent of socioeconomic status, genetic predisposition, ...
New study discovers unexpected role of 4f-orbital covalency in driving chemical reactivity
The willingness of the 4f orbitals of lanthanide metals to participate in chemical reactions is as rare as their presence in Earth's crust. A recent study, however, witnessed the 4f orbital in a cerium-based compound actively ...
How experience shapes hippocampal place cell activity to create flexible cognitive maps
The mammalian brain is known to produce mental representations of the spatial environment, known as cognitive maps, that help humans and animals navigate their surroundings. A subpopulation of neurons in the CA1 area of the ...
New physics theory to study low-energy excitations in quantum quasicrystals
Quasicrystals, exotic states of matter characterized by an ordered structure with non-repeating spatial patterns, have been the focus of numerous recent physics studies due to their unique organization and resulting symmetries. ...
New framework suggests stars dissolve into neutrons to forge heavy elements
Understanding the origin of heavy elements on the periodic table is one of the most challenging open problems in all of physics. In the search for conditions suitable for these elements via "nucleosynthesis," a Los Alamos ...
Astronomy
Apr 25, 2025
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277
Using the skin's electrical conductance to track sweat loss during both physical and mental activities
Over the past decades, electronics engineers have developed a wide range of wearable devices that can be used to track some physiological processes and collect health or fitness-related data. These devices rely on miniature ...
Saturday Citations: Is the universe a computational process? Plus: Psychological benefits of gaming
This week, researchers uncovered the negative pressure mechanisms plants use to communicate stress. Linguists found that the melody of spoken language in English functions as its own, distinct language. And there was also ...
Multi-spacecraft radio observations trace the heliospheric magnetic field
Solar flares accelerate energetic electrons that escape into interplanetary space, guided by the Parker spiral magnetic field, and are responsible for the generation of the interplanetary Type III solar radio bursts. With ...
How bacteria and textile fibers can heal bones
Have you ever wondered if there is a way to heal bones without having to take bone from another part of the body? A new doctoral thesis from the University of Borås, Sweden, now presents exciting advancements in this area. ...
Circinus West: A dark nebula harboring a nest of newly formed stars
A celestial shadow known as the Circinus West molecular cloud creeps across this image captured from Chile with the 570-megapixel Department of Energy–fabricated Dark Energy Camera—one of the most powerful digital cameras ...
Structure dictates effectiveness and safety in nanomedicine, driving therapeutic innovation, say scientists
Historically, the vast majority of pharmaceutical drugs have been meticulously designed down to the atomic level. The specific location of each atom within the drug molecule is a critical factor in determining how well it ...
'Piracy' to legitimacy: How companies like French ride-hailing platform Heetch can make their mark
The 2024 arrest and subsequent release of activist Paul Watson, the founder of the NGO Sea Shepherd that fights to protect ocean biodiversity, highlighted a division between two opposing camps. There are those who want to ...
How human connections shaped the spread of farming among ancient communities
If you've ever wondered how farming spread far and wide, our research on past human societies offers one explanation: contact between different groups often drives change.
Ghana's first genetically modified crop: Why we created a new cowpea variety, how we tested it and what we found
Cowpea (Vigna unguiculata) is an indigenous and staple crop in sub-Saharan Africa, but it has an enemy: an insect called the legume pod borer (Maruca vitrata). This pest can cause yield losses of more than 80%. The pod borer, ...
Fully automated laboratory heads into orbit to test food production in space
Cranfield University spin-out company Frontier Space has sent a fully automated laboratory into orbit as part of a European Space Agency project to assess the viability of creating lab-grown food in microgravity.
NASA tracks snowmelt to improve water management
As part of a science mission tracking one of Earth's most precious resources—water—NASA's C-20A aircraft conducted a series of seven research flights in March that can help researchers track the process and timeline as ...
NASA Marshall fires up hybrid rocket motor to prep for moon landings
NASA's Artemis campaign will use human landing systems, provided by SpaceX and Blue Origin, to safely transport crew to and from the surface of the moon, in preparation for future crewed missions to Mars. As the landers touch ...
Critical housing barriers across Scotland are affecting people with complex needs
New research reveals significant systemic barriers are preventing people with learning disabilities and complex needs from accessing appropriate housing. A new report from Heriot-Watt University found about 1,300 individuals ...
Sea creatures keep dying in California waters: Now researchers have an answer
Sea creatures keep showing up dead in California waters, and researchers may have an answer as to why.
Study shows 90% metal pollution drop in Adirondack waters five decades after the clean air act
A study published by researchers at the University at Albany has presented the first documented evidence that Adirondack surface waters have made a near full recovery from metal pollution since the enactment of the Clean ...
Iraq farmers turn to groundwater to boost desert yield
Farmer Hadi Saheb cannot wait to see his wheat fields flourish in the heart of the desert after he tapped into groundwater reserves in water-starved Iraq.
Remains of 5,000-year-old noblewoman found in Peru dig
Archaeologists in Peru said Thursday they found the 5,000-year-old remains of a noblewoman at the sacred city of Caral, revealing the important role played by women in the oldest center of civilization in the Americas.
Left alone by humans, wildlife returns to the Eaton Fire burn area
Behind the remains of a town scorched by fire, the foothills are lush with new green and filled with birdsong.
Human threats outweigh natural factors in shaping deer populations across Atlantic Rainforest
A group of Brazilian researchers has, for the first time in the entire Atlantic Rainforest, estimated the population density of the five deer species of the biome. This allowed them to measure the main factors that influence ...
How growing and foraging food can become a common part of cities
The early morning light spills over the raised beds of a thriving community garden in Harlem, New York. It's a Saturday, and people of all ages move among the plants—harvesting collard greens, making compost and packing ...
New risk maps help soybean farmers spot charcoal rot before it strikes
Charcoal rot, caused by the soilborne fungus Macrophomina phaseolina (Mp), poses a serious threat to soybean health and harvests on a global scale. The disease thrives in dry, hot conditions and can quietly devastate crops ...
