Study reveals impact of homework on student achievement in math and science
Researchers at Maynooth University's Hamilton Institute and Department of Mathematics and Statistics in Ireland have unveiled significant findings on the role of homework in student achievement. The research, ...
19 Sep 11:30 · phys.org
Tropical cyclone intensity exacerbated by increasing depth of ocean mixed layer, finds study
Tropical cyclones can have severe consequences for both the marine and terrestrial environments, as well as the organisms and communities who inhabit them. In the oceans, there can be alterations in sea ...
19 Sep 12:00 · phys.org
Portugal tackles last of deadly northern forest fires
Portugal's firefighters have mastered most of the deadly forest fires in the north of the country, according to official data Thursday.
19 Sep 12:20 · phys.org
Observations provide crucial insights into the nature of a white dwarf–brown dwarf binary
Using the Hubble Space Telescope (HST), astronomers have performed spectrophotometric observations of an eclipsing white dwarf–brown dwarf binary known as WD1032+011. Results of their observational ...
19 Sep 12:50 · phys.org
Could interstellar quantum communications involve Earth or solve the Fermi paradox?
Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for radio waves, telescopes watching for optical signals, telescopes in orbit scouring ...
19 Sep 13:15 · phys.org
Arctic warming may fuel ice formation in clouds, observations suggest
The Arctic frequently experiences temperatures that support the formation of mixed-phase clouds that contain supercooled liquid droplets and ice crystals. The composition of such clouds plays a crucial ...
19 Sep 13:16 · phys.org
How the Tibetan Plateau is helping us to understand the current and future climate
Imagine the conductor of a vast orchestra stood not at the front, but in the middle of all the musicians, dictating how they work together and the music they produce. The musicians are not stationary; ...
19 Sep 13:20 · phys.org
Researchers explore physiological and molecular processes underlying graft healing
Grafting has long been a cornerstone in agriculture and forestry, allowing for the propagation of desirable plant traits and improved resistance to environmental challenges. Despite its widespread application, ...
19 Sep 13:25 · phys.org
The memory in seeds: How plants carry environmental clues across generations
Phenotypic plasticity enables plants to adjust their physical traits in response to environmental variations, playing a vital role in their survival and adaptability. While past research has primarily ...
19 Sep 13:26 · phys.org
Photoacoustic sensor achieves high-sensitivity detection of multiple greenhouse gases
Recently, Prof. Gao Xiaoming's team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, developed a novel photoacoustic spectroscopy (PAS)-based sensor that enabled simultaneous, ...
19 Sep 13:36 · phys.org
Scientists can now predict catastrophic river shifts that threaten millions worldwide
Indiana University researchers have uncovered key insights into the dangerous phenomenon of "river avulsion," offering a way to predict when and where rivers may suddenly and dramatically change course. ...
19 Sep 13:37 · phys.org
Detailed model suggests organic matter on Mars was formed from atmospheric formaldehyde
Although Mars is currently a cold, dry planet, geological evidence suggests that liquid water existed there around 3 to 4 billion years ago. Where there is water, there is usually life. In their quest ...
19 Sep 13:55 · phys.org
Global assessment: How to make climate adaptation a success
Climate change is forcing people to adapt to changing environmental conditions. But what really makes the difference is how they do it. The recently published "Hamburg Climate Futures Outlook 2024" by ...
19 Sep 14:00 · phys.org
Moderate levels of exotic species invasions may help maintain biodiversity, study suggests
Globally, more than 13,000 plant species, equivalent to the entire native flora of Europe, have been naturalized outside their native ranges. A study, jointly conducted by scientists from China and the ...
19 Sep 14:11 · phys.org
New computational insights use Marcus theory to unlock the potential of photocatalysis
Dr. Albert Solé-Daura and Prof. Feliu Maseras have explored the application of the Marcus theory, traditionally used to model electron transfer, to estimate the free-energy barriers underlying energy ...
19 Sep 14:13 · phys.org
Study reveals that future climate change may reduce the Amazon rainforest's ability to act as a carbon sink
The Amazon, often called the "lungs of the planet," is the world's largest tropical forest, playing a crucial role in the global climate system due to its vast carbon storage. While it is typically warm ...
19 Sep 14:16 · phys.org
Aversion to inequality drives support for redistribution policies, study finds
As income inequality widens, debates around redistribution policies are heating up. New research from the Universities of Zurich, Lille and Copenhagen reveals that support for these policies stems not ...
19 Sep 14:17 · phys.org
Explaining dramatic planetwide changes after world's last 'Snowball Earth' event
Some of the most dramatic climatic events in our planet's history are "Snowball Earth" events that happened hundreds of millions of years ago, when almost the entire planet was encased in ice up to 0.6 ...
19 Sep 14:20 · phys.org
Decoding 'Chachi' citrus: Unveiling the secrets of flavorful phytonutrients
Citrus reticulata "Chachi" (CRC), a staple in traditional medicine and modern pharmacology, is renowned for its rich flavonoid content, which underpins its health-promoting properties. Despite its widespread ...
19 Sep 14:32 · phys.org
Love island: Bird's refusal to leave resort life leads to genetic change
A little yellow-and-white bird that prefers to date its mates in an idyllic island lifestyle rather than fly to the mainland to mingle is an example of avian species evolution in action, according to ...
19 Sep 14:55 · phys.org
Convergent evolution study sheds light on how new genes arise
Where do new genes come from? That's the question a team of biological sciences researchers from the U of A set out to answer in a new study.
19 Sep 14:58 · phys.org
How plants keep viruses from passing to their progeny
Scientists have learned how plants keep viruses from being passed to their offspring, a finding that could ensure healthier crops. The discovery could also help reduce the transmission of diseases from ...
19 Sep 14:58 · phys.org
Scientists discover an unexpected involvement of sodium transport in mitochondrial energy generation
The GENOXPHOS (Functional Genetics of the Oxidative Phosphorylation System) group at the Centro Nacional de Investigaciones Cardiovasculares (CNIC) has discovered a crucial role of sodium in the generation ...
19 Sep 15:00 · phys.org
First-of-its kind tool allows scientists to manipulate cells without touching them
When studying the spread of cancer or the behavior of a virus like the one that causes COVID-19, the irony is that working with these harmful pathogens requires gentleness. Especially in the case of COVID, ...
19 Sep 15:04 · phys.org
Advances in hydrogen research: More efficient isotope separation in sight
The lightest of all elements, hydrogen, is in great demand due to its promising role as a sustainable resource in the energy transition. A team from Leipzig University and TU Dresden, as part of the Hydrogen ...
19 Sep 15:15 · phys.org
Researchers uncover why cells struggle to fully change identity in reprogramming efforts
A new study has shed light on the challenges of converting one type of specialized cell into another, a process critical for advances in regenerative medicine. Despite recent progress in the field, a ...
19 Sep 15:31 · phys.org
Topological quantum computers a step closer with new method to 'split' electrons
The topological quantum computer still exists only in theory but, if possible, would be the most stable and powerful computing machine in the world. However, it requires a special type of qubit (quantum ...
19 Sep 15:37 · phys.org
Monstrous Black Hole Spews Largest Jet Ever Seen Spanning 23M Light Years
Nicknamed Porphyrion after a giant in Greek mythology, the jet megastructure dates to a time when the universe was 6.3 billion years old.
19 Sep 15:38 · HotHardware
Lake ice quality degrading as planet warms—skaters, hockey players, ice truckers on thin ice
Ice may look safe for a game of pick-up hockey on the lake, but as a new study out of York University found, looks can be deceiving. Warming winters are not only affecting ice thickness and timing—when ...
19 Sep 15:45 · phys.org
Buzz-pollinating bees shake pollen loose with rapid vibrations and biting, study shows
Bumblebees collect pollen by various methods. Some types of flowers, such as potato plants, need tougher treatment to make them release their pollen. In these cases, the bee uses a technique called "buzz ...
19 Sep 15:51 · phys.org
Astronomers' new technique measures temperature of a star with high precision
Astronomers study stars by looking at the different colors of light they emit—colors they capture and analyze using spectroscopy. Now a team led by Université de Montréal's Étienne Artigau has developed ...
19 Sep 15:53 · phys.org
AI model can reveal the structures of crystalline materials
For more than 100 years, scientists have been using X-ray crystallography to determine the structure of crystalline materials such as metals, rocks, and ceramics.
19 Sep 16:00 · phys.org
10,000-year-old human DNA provides insights into South African population history
A team of researchers from the University of Cape Town (South Africa) and the Max Planck Institute for Evolutionary Anthropology in Leipzig (Germany) have analyzed human remains from the Oakhurst rock ...
19 Sep 16:06 · phys.org
Mussel-inspired adhesive comes unglued on command
Modern integrated microelectronic devices are often poorly repairable and difficult to recycle. Debondable adhesives play a key role in the transition to a circular economy with sustainable resources, ...
19 Sep 16:06 · phys.org
New study uncovers unexpected interaction between Mars and the solar wind
Scientists of the Swedish Institute of Space Physics (IRF) in Kiruna and Umeå University find that under certain conditions the induced magnetosphere of Mars can degenerate. The findings are presented ...
19 Sep 16:10 · phys.org
Arctic warming is driving Siberian wildfires
Wildfire activity in central Siberia, Russia, has doubled in the past 2 decades, scorching vast areas of forest and releasing carbon stored in the rich soils and permafrost underneath. The Arctic is warming ...
19 Sep 16:22 · phys.org
Fossil site in Massachusetts reveals 320-million-year-old ecosystem
Researchers have discovered an exceptionally preserved fossil site in Massachusetts that provides a rare glimpse into terrestrial life from over 300 million years ago. The findings, published in Nature ...
19 Sep 16:37 · phys.org
When ions go hiking: New insights into solvation kinetics at electrocatalyst surfaces
The ion's pathway is strongly influenced by a process that is ubiquitous across bio- and electrochemistry: ions need to reorganize their solvation shell before they can intercalate into battery cathodes, ...
19 Sep 17:12 · phys.org
New model points to increased coastal metal emissions
There is a high risk of increased metal emissions from coastal areas in the future. In a new model published in Limnology and Oceanography Letters, researchers from the University of Gothenburg show that ...
19 Sep 18:36 · phys.org
Mysteries of the bizarre 'pseudogap' in quantum physics finally untangled
By cleverly applying a computational technique, scientists have made a breakthrough in understanding the "pseudogap," a long-standing puzzle in quantum physics with close ties to superconductivity. The ...
19 Sep 18:55 · phys.org
Researchers achieve aluminum molecular ring-based rotaxane and polyrotaxane
Rotaxanes have garnered interest for their unique structures consisting of mechanically interlocked axles and macrocycles. Numerous organic macrocycles have been employed to construct rotaxanes, including ...
19 Sep 19:52 · phys.org
NASA's Chandra finds galaxy cluster that crosses the streams
Astronomers using NASA's Chandra X-ray Observatory have found a galaxy cluster has two streams of superheated gas crossing one another. This result shows that crossing the streams may lead to the creation ...
19 Sep 20:36 · phys.org
Greylag geese with similar personalities have higher hatching success, study suggests
Birds of a feather flock together but strong pairing in geese has been shown to produce better breeding results, according to a new study.
19 Sep 20:40 · phys.org
Don't overlook microorganisms' role in planet health, scientists warn
The tiniest and oldest creatures on—and in—Earth have a huge role in achieving a sustainable future for the planet, an international team of scientists, including faculty researchers from The Ohio ...
19 Sep 20:41 · phys.org
New material with wavy layers of atoms exhibits unusual superconducting properties
MIT physicists and colleagues have created a new material with unusual superconducting and metallic properties, thanks to wavy layers of atoms only billionths of a meter thick that repeat themselves over ...
19 Sep 20:52 · phys.org
Exploring the interplay between phosphate signaling and jasmonate pathways in tea plants
Catechins, the key active components in tea, are known for their protective effects against conditions like diabetes, cancer, and cardiovascular diseases. However, their biosynthesis is highly sensitive ...
19 Sep 21:02 · phys.org
Location, location, location: Snowpack storage and runoff timing in burn scars depend on site and terrain
Increasingly severe wildfires at high elevations are impacting snowpack—an important reservoir for the U.S. West. The altered landscape makes it more challenging to predict when snow will melt and how ...
20 Sep 08:33 · phys.org
European Green Deal is a double-edged sword for global emissions, analysis suggests
The European Union aims to be carbon-neutral by 2050 as part of the comprehensive Green Deal that was agreed upon four years ago. However, an analysis of the policy documents outlining the practical measures ...
20 Sep 09:00 · phys.org
last updated on 20 Sep 10:32