Evolution
A holoparasitic plant replaces its own genes with host DNA to survive
All living organisms are known to inherit genes, DNA sequences that contain instructions for producing specific proteins and performing biological functions, from their parents. In some cases, however, genes can also shift ...
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Ecology
Honeybee queens push pesticides to eggs to protect themselves over their offspring, research reveals
Worker bees are the first line of defense when it comes to removing contamination in honeybee colonies, but a queen has her ways, too. A honeybee queen facing chronic exposure to pesticides will take up that contamination ...
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Analog gravity advance offers new insights into Hawking radiation from black holes
Hawking radiation is a form of radiation emitted by black holes, as theoretically predicted by Stephen Hawking. It suggests that black holes do not merely swallow matter—as had previously been assumed—but also emit very faint ...
General Physics
1 hour ago
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Spider venoms could stop deadly varroa mites killing honey bees
Spider venoms contain ingredients that could lead to a new treatment to protect honeybees from the deadly Varroa destructor mite, according to a study led by the University of the Sunshine Coast. Researchers identified components ...
Plants & Animals
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Harsh UVB bursts leave tadpoles with more DNA damage than longer exposure
Sunburn is a serious problem in the Southern Hemisphere, where depleted ozone provides less protection from UVB. Tadpoles are at particular risk because they are growing rapidly, making them vulnerable to UVB DNA damage. ...
Plants & Animals
2 hours ago
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Common mucus-clearing treatments don't help ICU patients breathe easier and may cause harm, clinical trial finds
For patients struggling to breathe because of acute respiratory failure, clearing mucus from the airways is a routine part of treatment. Mucoactive agents are widely used for this purpose. But after years of clinical use, ...
Ancient grain shows early lab promise against a key Alzheimer's protein
Imagine a simple, everyday foodstuff with a surprising but powerful defense against one of the most serious threats to public health today. What if there's a basic item you keep at home that could represent a brand-new field ...
Psychological stress alters gut microbes and ages blood stem cells, mouse study suggests
Psychological stress is increasingly recognized as a risk factor for certain health conditions, including cardiovascular disease and diabetes, especially when paired with an impaired immune response. In a study in Cell Stem ...
Medical Xpress
5 minutes ago
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Ultra-small magnetoelectric antenna could unlock new generation of implantable devices
A breakthrough in biomedical engineering could help pave the way for tiny implantable devices capable of diagnosing, monitoring and treating a wide range of health conditions. An international team of researchers led by the ...
Medical Xpress
1 hour ago
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Cancer also knows how to wait: Study uncovers the hidden step between mutation and tumor biomass appearance
The development of cancer is not a process triggered immediately by the emergence of an oncogenic mutation. There is growing evidence for the existence of an intermediate phase—hitherto poorly defined—in which mutated cells ...
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
AI-human relationships are real and come with risks, researchers find
Tandem solar cell sets 25.5% efficiency record with CIGS-perovskite design
Moisture-driven tech can power green batteries—and destroy spy gear
Spent EV batteries get second life as higher-performance battery material
Smarter diagnostics could extend the lives of silicon EV batteries
Could the clean energy revolution be powered by wastewater?
Sony to stop releasing PlayStation games on discs
BCG vaccine may rewire brain immunity, shift Alzheimer's markers over 12 months
New research led by Mass General Brigham investigators suggests that the Bacillus Calmette-Guérin (BCG) vaccine—which is delivered through the skin to prevent tuberculosis—may remodel the human brain's immune environment, ...
Medical Xpress
6 hours ago
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New biosensor reveals rare lipid gathers in membrane hotspots during cell stress
Inside every cell are lipid molecules that make up cellular membranes, helping organelles communicate and respond to stress. Researchers have struggled to observe lipids in action because current detection tools lack sufficient ...
Cell & Microbiology
6 hours ago
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Beyond the dust: Families describe daily health challenges near the Salton Sea
A study examining air quality and respiratory health in communities surrounding the Salton Sea in Southern California shows how environmental conditions, poor housing quality and structural inequities combine to place children ...
Environment
7 hours ago
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Quiet outings linked to more frequent dangerous wildlife encounters
The more people expand into previously natural areas, the more wildlife and humans step on each other's toes, leading to more interactions that may result in conflict. This includes national parks, where people flock to recuperate ...
Plants & Animals
11 hours ago
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TESS just found a planet in a new way—and more may be hiding in its eight years of data
For the first time, NASA's TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant star thanks to its warping of space-time. Unlike the star-hugging transiting planets TESS regularly ...
Astronomy
19 hours ago
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DNA-based nanoswitch can flip in milliseconds and stay in one state for days without continuous forcing
Scientists have engineered a nanoscale switch using DNA "origami." Inspired by macroscale mechanical switches, the device achieves long-term functionality without the continuous forcing mechanism that past versions required ...
Hidden for decades, hospital superbug built resistance in waves, peaking in the mid‑2000s
Decades-old hospital samples have helped University of East Anglia (UEA) researchers uncover how a deadly antibiotic-resistant "superbug" quietly tightened its grip across the globe. It lurked in hospital corridors for decades, ...
Evolution
16 hours ago
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Sun-powered sponges may generate 11% of tropical coral reef productivity
In marine environments, sponges tend to eat other organisms to get their nutrients. But a study published in Functional Ecology by researchers at the University of Amsterdam's Institute for Biodiversity and Ecosystem Dynamics ...
Plants & Animals
14 hours ago
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Earliest Americans specialized in megafauna hunting from Alaska to South America, analysis of 50 sites reveals
New research led by a University of Alaska Fairbanks archaeologist reveals that the earliest Native Americans had highly specialized diets, primarily hunting the largest animals on the landscape, and they targeted these megafauna ...
Archaeology
15 hours ago
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Fish in a polluted Mexican river may mate with the wrong species, leading to hybrid offspring
The byproducts of modern society appear to be messing with the love life of two tiny fish species that have long coexisted in Mexican rivers.
Plants & Animals
17 hours ago
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Rethinking the governance of human embryo research: Comparing Japan's guidelines with international standards
Human embryo models can help researchers study early human development and infertility without relying solely on human embryos. As the technology advances, these models are becoming more complex and can be maintained in culture ...
How heat stress triggers emergency programs in plants
Researchers at the Karlsruhe Institute of Technology (KIT) have found how plant cells respond to stress. If their energy supply is disrupted by heat, drought or saline soils, chloroplasts—the cells' powerhouses—send an intracellular ...
Genomic tool can help measure resilience in Merino sheep
A new resilience test for merino sheep is using hereditary markers to help producers identify which animals are better able to cope with stressors in their environment.
Enriching conversations with toddlers
Asking open-ended questions and weaving conversations into everyday activities helps toddlers' communication skills, new research shows. Three recently published University of Otago–Ōtākou Whakaihu Waka studies analyzed the ...
AI could bring satellite crop monitoring to the world's most vulnerable farms
Small farms grow much of the world's food, but from space they are nearly invisible. Their fields are tiny and ill-defined, and the satellite tools built to track crops were designed for the large, uniform fields of industrial ...
Abandoned farmland restored to wildflower meadow without sowing seeds
Abandoned farmland can be transformed into wildflower-rich grassland habitat without the need for expensive and labor-intensive seeding, a new study by UCL researchers finds.
Climate change may prop up urban plant growth in the face of development—provided cities build slowly enough
Worsened drought stress, changing rainfall patterns, flowers and pollinators thrown out of sync: These only scratch the surface of the ways climate change challenges plant life. But warmer air and higher carbon dioxide levels ...
Temporary protective status workers play critical role in state economy, view US as home, research suggests
Immigrant workers protected by a key humanitarian status make significant contributions to New York state's economy and communities, according to new Cornell University research.
'Gus' the T. rex presented in New York ahead of auction
One of the world's most complete Tyrannosaurus rex skeletons, nicknamed "Gus," was showcased Wednesday at Sotheby's auction house in New York ahead of its sale later this month.
Sightings of humpback whales surge in Rio de Janeiro, fueling demand for whale-watching trips
Sightings of humpback whales off Rio de Janeiro's coast are surging as they recover from decimation due to commercial whaling, prompting an acceleration in the demand for whale-watching excursions to spot the huge marine ...
New tool maps public land with potential for hundreds of thousands of affordable homes in British Columbia
A new research tool is highlighting publicly owned land that may have potential for affordable housing development in B.C., with early analysis revealing more than 50,000 parcels of publicly owned land in B.C. and up to 273,000 ...
LSST begins full operations with key contributions from Japanese researchers and engineers
NSF–DOE Vera C. Rubin Observatory has officially begun full operations for the Legacy Survey of Space and Time (LSST), one of the world's largest astronomical imaging surveys. Behind the scenes, Japanese researchers and engineers ...
Huge, specially designed heat pump saves a Norwegian agricultural cooperative millions
There are some magical limits to how much energy we can get out of a heat pump. This story is about pushing the technical limits. It is about getting more energy out than you put in. And it's about how SINTEF—one of Europe's ...
How extreme weather impacts white stork survival in Bulgaria
A comprehensive 15-year study published in Biodiversity Data Journal details the growing threat of extreme weather to white storks (Ciconia ciconia) in Bulgaria. The research, which is part of the topical collection "Restoration ...
New star activity catalog could sharpen hunt for habitable worlds
Searching for habitable worlds beyond our solar system involves more than having a planet orbit within its star's habitable zone, the region where temperatures could be just right for liquid water to exist on the surface. ...
Over the past 15 years, Brazil has seen a more than 200% increase in non-native mollusk species
A study published in the journal Biological Invasions indicates that Brazil currently has at least 82 non-native mollusk species, in addition to 13 whose origin cannot be determined. This represents a 215% increase compared ...
'Stop the war!': The paradox of 'pressure petitions'
They knew their gesture was futile and could have serious personal repercussions, but that didn't stop more than 1.5 million Russians from signing anti-war petitions after their country invaded Ukraine.
Unlocking the 'black box' of carbon materials: Study reveals origins of defect peaks
Carbon materials, such as carbon fibers and activated carbons, are essential across a wide variety of fields, encompassing everything from aerospace engineering to fuel cells and thermal insulation. For decades, Raman, infrared ...
Scientists devise new method for tracing environmental PFAS contamination better
Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals widely used in industrial processes and consumer products because of their resistance to heat, water and oil. However, these same properties ...
Hidden toll: Interpersonal violence drives most of the world's annual cost of up to US $34 trillion
The media is full of news of war, terrorism and armed conflict, and this shapes our perceptions of violence. However, if we look at the costs resulting from these forms of violence, the numbers are surprising: About 12% of ...