General Physics
Random close packing or jamming of spheres in a container
Scientists at the theoretical institutes, Chinese Academy of Science and Cybermedia Center at Osaka University performed extensive computer simulations to generate and examine random packing of spheres. They show that the ...
21 minutes ago
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Environment
A new method to trigger rain where water is scarce
A new method to trigger rain in places where water is scarce is being tested in the United Arab Emirates using unmanned drones that were designed and manufactured at the University of Bath. The drones carry an electric charge ...
1 hour ago
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28
Early humans used fire to permanently change the landscape tens of thousands of years ago in Stone Age Africa
Fields of rust-colored soil, spindly cassava, small farms and villages dot the landscape. Dust and smoke blur the mountains visible beyond massive Lake Malawi. Here in tropical Africa, you can't escape the signs of human ...
Archaeology
Aggressive brain tumors can mimic normal brain repair processes
Scientists at the UCL have made a 'surprising' discovery that glioblastoma, an aggressive brain cancer, mimics normal brain repair in white matter, which leads to the tumor becoming less malignant.
Oncology & Cancer
1 hour ago
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Tumors hide from the immune system with help from this protein
Cancer drugs called immune checkpoint inhibitors boost the immune system's ability to find and destroy tumor cells, but they don't work for most patients. Researchers at the Broad Institute of MIT and Harvard, Massachusetts ...
Oncology & Cancer
1 hour ago
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How can scientists predict a COVID-19 outbreak? There's an app for that
A mobile app that uses crowd-sourced data on COVID-19 symptoms can accurately identify where local coronavirus outbreaks will appear, according to Johns Hopkins Medicine scientists who developed the app.
Diseases, Conditions, Syndromes
1 hour ago
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8
Scientists find key element that affects how genes are expressed in blood stem cells
The living organism is kept alive and healthy by an intricate network of biochemical processes. These are remarkably resilient in responding to changes in the environment, but they can sometimes go wrong. A key tenet of medicine ...
Genetics
1 hour ago
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Novavax COVID-19 vaccine trial results show efficacy against the B.1.351 variant in SA study
The New England Journal of Medicine (NEJM) today published findings of the Phase 2b clinical trial conducted in South Africa.
Diseases, Conditions, Syndromes
1 hour ago
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20
Researchers develop new metal-free, recyclable polypeptide battery that degrades on demand
The introduction of lithium-ion (Li-ion) batteries has revolutionized technology as a whole, leading to major advances in consumer goods across nearly all sectors. Battery-powered devices have become ubiquitous across the ...
Engineering
1 hour ago
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12
Engineering student helps federal experts solve a messy 3D printing problem
Tomographic 3D printing is a revolutionary technology that uses light to create three-dimensional objects. A projector beams light at a rotating vial containing photocurable resin, and within seconds the desired shape forms ...
Engineering
1 hour ago
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12
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Medical Xpress
How do we actually investigate rare COVID-19 vaccine side-effects?
Study of airborne transmission of COVID-19 will help reopen large recreational events
Aggressive brain tumors can mimic normal brain repair processes
Tumors hide from the immune system with help from this protein
How can scientists predict a COVID-19 outbreak? There's an app for that
Novavax COVID-19 vaccine trial results show efficacy against the B.1.351 variant in SA study
How soon will the COVID-19 pandemic end? It depends.
New technology could detect warning signs of breast cancer
Researchers studying impact of hair and skin discrimination on children
WHO 'needs to act' on suicides caused by pesticides
Researchers find possible novel migraine therapy
The WTO waiver battle over Covid jab IP rights
Achieving high COVID-19 vaccine coverage levels by summer can prevent millions of cases
India sees record COVID-19 deaths, new cases in 24 hours
Tech Xplore
Algorithm for shoe-based blind assistance system
We need to build more EV fast-charging stations, researchers say
CineMPC: An algorithm to enable autonomous drone-based cinematography
Ford is betting that solid-state batteries will cut EV costs
Why robots need reflexes
Piecing together the preterm infant microbiome
The human microbiome—the collection of microbes living in the gut—is now recognized as an important contributor to health and disease. The environment, the host, and microbe-microbe interactions are all likely to shape ...
Pediatrics
1 hour ago
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Touchdown! SpaceX successfully lands Starship rocket
SpaceX managed to land its prototype Starship rocket at its Texas base without blowing it up on Wednesday, the first time it has succeeded in doing so in five attempts.
Space Exploration
4 hours ago
5
259
First member of ill-fated 1845 Franklin expedition is identified by DNA analysis
The identity of the skeletal remains of a member of the 1845 Franklin expedition has been confirmed using DNA and genealogical analyses by a team of researchers from the University of Waterloo, Lakehead University, and Trent ...
Archaeology
6 hours ago
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32
Researchers find possible novel migraine therapy
By discovering a potential new cellular mechanism for migraines, researchers may have also found a new way to treat chronic migraine.
Neuroscience
5 hours ago
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21
Ice core chemistry study expands insight into sea ice variability in Southern Hemisphere
Sea ice cover in the Southern Hemisphere is extremely variable, from summer to winter and from millennium to millennium, according to a University of Maine-led study. Overall, sea ice has been on the rise for about 10,000 ...
Earth Sciences
5 hours ago
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28
New method identifies tau aggregates occurring in healthy body structures
It turns out that not all build-ups of tau protein are bad, and a team of researchers from the Perelman School of Medicine at the University of Pennsylvania developed a method to show that. Using mammalian cell models, the ...
Neuroscience
5 hours ago
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20
Researchers propose repurposing tabletop sensors to search for dark matter
Scientists are certain that dark matter exists. Yet, after more than 50 years of searching, they still have no direct evidence for the mysterious substance.
General Physics
18 hours ago
15
194
CineMPC: An algorithm to enable autonomous drone-based cinematography
Emerging technologies such as artificial intelligence (AI) algorithms, mobile robots and unmanned aerial vehicles (UAVs) could enhance practices in a variety of fields, including cinematography. In recent years, many cinematographers ...
Catastrophic sea-level rise from Antarctic melting possible with severe global warming
The Antarctic ice sheet is much less likely to become unstable and cause dramatic sea-level rise in upcoming centuries if the world follows policies that keep global warming below a key 2015 Paris climate agreement target, ...
Earth Sciences
22 hours ago
16
351
Rapid rovers, speedy sands: Fast-tracking terrain interaction modeling
Granular materials, such as sand and gravel, are an interesting class of materials. They can display solid, liquid, and gas-like properties, depending on the scenario. But things can get complicated in cases of high-speed ...
General Physics
18 hours ago
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143
Survey: Some bosses are using the pandemic as an excuse to push workers
A middle-aged woman in the public sector says she and her colleagues have been "underappreciated, overworked and mentally stressed out" as they faced pandemic-related challenges and stresses, without any pay increase.
Changing carbohydrates into lipids for microalgae biofuels
A cross-institutional collaboration has developed a technique to repartition carbon resources from carbohydrates to lipids in microalgae. It is hoped that this method can be applied to biofuel production. This discovery was ...
Space weather is difficult to predict—with only an hour to prevent disasters on Earth
Recent developments at the forefront of astronomy allow us to observe that planets orbiting other stars have weather. Indeed, we have known that other planets in our own solar system have weather, in many cases more extreme ...
For the EU's 'Green Deal' to succeed, economic theory must take into account qualitative growth
The goal of the EU's ambitious new "Green Deal" is to put Europe on a path toward zero emissions and sustainable growth decoupled from resource use.
'See What You Made Me Do' will change the way we think about domestic violence
It may be a familiar statistic, but it is still shocking and unacceptable. In Australia, almost every week a woman dies at the hands of her partner or ex-partner.
COVID has made it clear: We do not know enough about Australians overseas
The COVID-19 crisis has thrust a largely unseen part of Australia's population firmly into the national spotlight.
Fashion designers are actually not 'dictators of taste,' study finds
Most of the literature on innovation develops in the context of technology, where the degree of radical or incremental change in terms of functionality of the product can be evaluated according to objective and predictable ...
Image: NASA's Lucy high gain antenna up close
Lucy's epic journey to observe Jupiter's Trojan asteroids requires a reliable communications link back to Earth, and so the spacecraft is outfitted with a 6.5-ft. (2-meter)-wide high gain antenna for this task.
How to strengthen housing safety nets
U.S. homeowners and renters need stronger safety nets than existing social insurance programs provide to prevent housing insecurity during economic downturns, according to a new paper based on a study by Wharton real estate ...
NASA's On-orbit Servicing, Assembly, and Manufacturing 1 (OSAM-1) mission ready for spacecraft build
NASA is one step closer to robotically refueling a satellite and demonstrating in-space assembly and manufacturing thanks to the completion of an important milestone.
Researchers discover novel non-coding RNAs regulating blood vessel formation
Researchers at the University of Eastern Finland have discovered previously unknown non-coding RNAs (ncRNAs) involved in regulating the gene expression of vascular endothelial growth factors (VEGF), the master regulators ...
Lunar crater radio telescope: Illuminating the cosmic dark ages
After years of development, the Lunar Crater Radio Telescope (LCRT) project has been awarded $500,000 to support additional work as it enters Phase II of NASA's Innovative Advanced Concepts (NIAC) program. While not yet a ...
Pandemic, war, climate change fuel food fears
The economic cost of the global pandemic as well as conflict and climate change are fueling food security fears that in 2020 reached their highest level in five years, according to a report published Wednesday.
US watching Chinese rocket's erratic re-entry: Pentagon
The Pentagon said Wednesday it is following the trajectory of a Chinese rocket expected to make an uncontrolled entry into the atmosphere this weekend, with the risk of crashing down in an inhabited area.
Giant sequoia still smoldering from 2020 California wildfire
A giant sequoia has been found smoldering and smoking in a part of Sequoia National Park that burned in one of California's huge wildfires last year, the National Park Service said Wednesday.
Open source tool can help identify gerrymandering in voting maps
With state legislatures nationwide preparing for the once-a-decade redrawing of voting districts, a research team has developed a better computational method to help identify improper gerrymandering designed to favor specific ...
New, almost non-destructive archaeogenetic sampling method developed
An Austrian-American research team (University of Vienna, Department Evolutionary Anthropology and Harvard Medical School, Department of Genetics), in collaboration of Hungarian experts from Eötvös Loránd University, has ...
Burning natural gas is now more dangerous than coal in Illinois, study shows
Pollution from natural gas is now responsible for more deaths and greater health costs than coal in Illinois, according to a new study highlighting another hazard of burning fossil fuels that are scrambling the planet's climate.
1.5C warming cap could 'halve' sea level rise from melting ice
Limiting global warming to 1.5 degrees Celsius could halve how much sea levels rise due to melting ice sheets this century, according to a major new study modelling how Earth's frozen spaces will respond to ever-increasing ...
New ant species named in recognition of gender diversity
A newly discovered miniature trap jaw ant from the evergreen tropical forests of Ecuador bears the curious Latin name Strumigenys ayersthey, among hundreds, which are also named in honor of people, but end with -ae (after ...
