Supernova surprise creates elemental mystery in the universe.
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Accessed on 03 December 2020, 0510 UTC.
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LAST UPDATE:
Supernova surprise creates elemental mystery
Michigan State University (MSU) researchers have discovered that one of the most important reactions in the universe can get a huge and unexpected boost inside exploding stars known as supernovae.
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Chaotic early solar system collisions resembled ‘asteroids’ arcade game
One Friday evening in 1992, a meteorite ended a more than 150 million-mile journey by smashing into the trunk of a red Chevrolet Malibu in Peekskill, New York. The car’s owner reported that the 30-pound remnant of the earliest …
8 HOURS AGO
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Best region for life on Mars was far below surface
The most habitable region for life on Mars would have been up to several miles below its surface, likely due to subsurface melting of thick ice sheets …
SPACE EXPLORATION
10 HOURS AGO
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90

Continents prone to destruction in their infancy, study finds
Monash University geologists have shed new light on the early history of the Earth through their discovery that continents were weak and prone to destruction in their infancy.
EARTH SCIENCES
13 HOURS AGO
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118

New platform generates hybrid light-matter excitations in highly charged graphene
Graphene, an atomically thin carbon layer through which electrons can travel virtually unimpeded, has been extensively studied since its first successful isolation more than 15 years ago. Among its many unique properties …
NANOPHYSICS
8 HOURS AGO
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321

Climate change as a catalyst in Greater Cahokia
Water and air are highly mutable resources that exist in a myriad of physical states and dimensions, and due to their affectivity, these entities participate in a multitude of interactions capable of sustaining life, transforming …
ENVIRONMENT
8 HOURS AGO
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Greenland ice sheet faces irreversible melting
In a study published this week in The Cryosphere, researchers from the National Centre for Atmospheric Science and University of Reading demonstrate how climate change could lead to irreversible sea level rise as temperatures …
EARTH SCIENCES
11 HOURS AGO
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308

No nanoparticle risks found in field tests of spray sunscreens
People can continue using mineral-based aerosol sunscreens without fear of exposure to dangerous levels of nanoparticles or other respirable particulates, according to Penn State research published in the journal Aerosol …
BIO & MEDICINE
8 HOURS AGO
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78

A combined strategy in catalyst design for Suzuki cross-couplings
The Suzuki cross-coupling reaction is a widely used technique for combining organic compounds and synthesizing complex chemicals for industrial or pharmaceutical applications. The process requires the use of palladium (Pd) …
MATERIALS SCIENCE
8 HOURS AGO
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11

Qualcomm’s ‘lucky 888’ processor offers integrated 5G, superior photo capabilities
Qualcomm has made significant leaps in technology to produce its new 888 system on a chip, unveiled at the virtual Snapdragon Tech Summit Tuesday. Although limited details were available on the first day of the two-day conference, …

What social distancing does to a brain
Have you recently wondered how social-distancing and self-isolation may be affecting your brain? An international research team led by Erin Schuman from the Max Planck Institute for Brain Research discovered a brain molecule …
NEUROSCIENCE
8 HOURS AGO
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252

Drug attenuates weight gain in animals fed a high-fat diet
A drug originally developed to treat bacterial infections has proved capable of boosting the metabolism and attenuating the weight gain induced by a fatty diet in tests with mice. The study was conducted at the University …
HEALTH
8 HOURS AGO
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23

Nanomaterials enable dual-mode heating and cooling device
Engineers at Duke University have demonstrated a dual-mode heating and cooling device for building climate control that, if widely deployed in the U.S., could cut HVAC energy use by nearly 20 percent.
ELECTRONICS & SEMICONDUCTORS
8 HOURS AGO
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New machine learning tool tracks urban traffic congestion
A new machine learning algorithm is poised to help urban transportation analysts relieve bottlenecks and chokepoints that routinely snarl city traffic.
AUTOMOTIVE
8 HOURS AGO
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13

What’s killing killer whales? Orca report covering a decade of necropsies identifies threats
Pathology reports on more than 50 killer whales stranded over nearly a decade in the northeast Pacific and Hawaii show that orcas face a variety of mortal threats—many stemming from human interactions.
PLANTS & ANIMALS
10 HOURS AGO
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African trade routes sketched out by mediaeval beads
The chemical composition of glass beads and their morphological characteristics can reveal where they come from. Archaeologists from the University of Geneva analyzed glass beads found at rural sites in Mali and Senegal from …
ARCHAEOLOGY & FOSSILS
10 HOURS AGO
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2020 one of three hottest years ever recorded: UN
This year is on course to be one of the three warmest ever recorded, the United Nations said Wednesday, as the UN chief warned the world was on the brink of “climate catastrophe”.
ENVIRONMENT
14 HOURS AGO
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‘Message in a bottle’ tracks plastic pollution
Electronic tags released in the Ganges river show plastic pollution can travel thousands of kilometres in just a few months.
ENVIRONMENT
10 HOURS AGO
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61

The making of mysterious mazes: How animals got their complex colorations
Why do leopards have spots and zebras have stripes? Many biologists have tried to answer these questions and have provided interesting hypotheses, including camouflage, thermoregulation, and insect repellent. But how did …
PLANTS & ANIMALS
10 HOURS AGO
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22

Small and large birth weight linked to genetics of mother and baby—except in tiniest babies
Genetics of mother and baby contribute to most cases where babies are born very large or very small, according to new research.
GENETICS
10 HOURS AGO
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21

Scientists reverse age-related vision loss, eye damage from glaucoma in mice
Harvard Medical School scientists have successfully restored vision in mice by turning back the clock on aged eye cells in the retina to recapture youthful gene function.
MEDICAL RESEARCH
13 HOURS AGO
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606

New Yorkers believe pandemic will persist, but express hope in wake of election
As COVID-19 surges nationwide, 78% of New York City residents believe it is likely or very likely the city will again experience a resurgence of cases similar to that seen last April. However, the November Presidential election …

No poaching occurring within most Channel Islands marine protected areas
Fish are thriving and poachers are staying out of marine protected areas around California’s Channel Islands, a new population analysis by an Oregon State University researcher shows.

Roly polies transfer environmental toxins to threatened fish populations in California
Roly poly bugs may be a source of fun for kids and adults but these little bugs that form into balls at the slightest touch are causing problems for some threatened fish.

Amphibian die-offs worsened malaria outbreaks in Central America
The global collapse of frogs and other amphibians due to the amphibian chytrid fungus exacerbated malaria outbreaks in Costa Rica and Panama during the 1990s and 2000s, according to new research.

Ozone breaks down THC deposited on surfaces from thirdhand cannabis smoke
Second- and thirdhand tobacco smoke have received lots of attention, but much less is known about the compounds deposited on surfaces from cannabis smoke. Now, researchers reporting in ACS’ Environmental Science & Technology …

Plant-inspired alkaloids protect rice, kiwi and citrus from harmful bacteria
Plants get bacterial infections, just as humans do. When food crops and trees are infected, their yield and quality can suffer. Although some compounds have been developed to protect plants, few of them work on a wide variety …

An archaeological project analyzes informal commerce in the colonial Caribbean
The historical archaeologist Konrad A. Antczak, a Marie Skłodowska-Curie researcher with the UPF Department of Humanities and member of the Research Group on Colonialism, Gender and Materialities (CGyM), has recently returned …

Method could improve SARS-CoV-2 testing in variety of sewage systems
With the purpose of contributing to a monitoring or early-warning system for pandemic spread through a given region, a Swedish research team has reportedly optimized a method for concentrating SARS-CoV-2 particles in municipal …

Carbon dioxide converted to ethylene—the ‘rice of the industry’
In recent times, electrochemical conversion (e-chemical) technology—which converts carbon dioxide to high-value-added compounds using renewable electricity—has gained research attention as a carbon capture utilization …

Electronic waste on the decline, new study finds
A new study, led by a researcher at the Yale School of the Environment’s Center for Industrial Ecology and published recently in the Journal of Industrial Ecology, has found that the total mass of electronic waste generated …

Protein molecules in cells function as miniature antennas
Researchers led by Josef Lazar of the Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague) have demonstrated that molecules of fluorescent proteins act as antennas with optical properties …

Researchers determine how the SARS-CoV-2 virus hijacks and rapidly causes damage to human lung cells
In a multi-group collaborative involving the National Emerging Infectious Disease Laboratories (NEIDL), the Center for Regenerative Medicine (CReM), and the Center for Network Systems Biology (CNSB), scientists have reported …
CELL & MICROBIOLOGY
11 HOURS AGO
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52

Study shows promising material can store solar energy for months or years
As we move away from fossil fuels and shift to renewable energy to tackle climate change, the need for new ways to capture and store energy becomes increasingly important.
ENERGY & GREEN TECH
11 HOURS AGO
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203

Research reveals how a fungal infection activates inflammation
Scientists at St. Jude Children’s Research Hospital have identified the mechanisms behind inflammasome activation driven by infection with the fungal pathogen Aspergillus fumigatus. Fungal infection, especially with A. fumigatus, …
IMMUNOLOGY
11 HOURS AGO
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8

Dark energy camera snaps deepest photo yet of galactic siblings
Images from the Survey of the MAgellanic Stellar History (SMASH) reveal a striking family portrait of our galactic neighbors—the Large and Small Magellanic Clouds. The images represent a portion of the second data release …
ASTRONOMY
14 HOURS AGO
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107

Study on placenta membrane cells identifies genetic markers associated with preterm birth
A new research study from the March of Dimes Prematurity Research Center led by investigators at the University of Chicago has identified new genetic markers associated with gestational length, providing new insights into …
GENETICS
10 HOURS AGO
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22

A machine learning solution for designing materials with desired optical properties
Understanding how matter interacts with light—its optical properties—is critical in a myriad of energy and biomedical technologies, such as targeted drug delivery, quantum dots, fuel combustion, and cracking of biomass. …
MATERIALS SCIENCE
11 HOURS AGO
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54

Circadian gene mutation increases self-administration of cocaine in mice
A mutation in the gene regulating circadian rhythms increases self-administration of cocaine in mice, University of Pittsburgh Schools of the Health Sciences researchers found in a paper published today in the Journal of …
NEUROSCIENCE
11 HOURS AGO
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57

Unexpected finding reveals new target for aggressive form of lung cancer
Targeted therapies are currently available for about one-third of people with lung adenocarcinoma, the most common kind of lung cancer. These drugs inhibit cancer cells by thwarting the molecular changes that drive them to …
ONCOLOGY & CANCER
11 HOURS AGO
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17

Lab developing device to help Earth dodge asteroids
In a corner of the campus at Riga Technical University, a team of scientists is working on technology that could one day stop asteroids from smashing into Earth.
SPACE EXPLORATION
20 HOURS AGO
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318

Researchers develop new class of plant nanobionic sensor to monitor arsenic levels in soil
Scientists from Disruptive & Sustainable Technologies for Agricultural Precision (DiSTAP), an Interdisciplinary Research Group (IRG) at the Singapore-MIT Alliance for Research and Technology (SMART), MIT’s research enterprise …
NANOMATERIALS
11 HOURS AGO
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64

Natural three-dimensional nonlinear photonic crystal
Nonlinear photonic crystals (NPCs) are transparent materials that have a spatially uniform linear susceptibility, yet a periodically modulated quadratic nonlinear susceptibility. These engineered materials are used extensively …

Self-repairing gelatin-based film could be a smart move for electronics
Dropping a cell phone can sometimes cause superficial cracks to appear. But other times, the device can stop working altogether because fractures develop in the material that stores data. Now, researchers reporting in ACS …

Active camouflage artificial skin in visible-to-infrared range
Cephalopods’ exceptional ability to hide against any background has inspired researchers to replicate their fascinating ability to camouflage in the infrared (IR) and visible spectrum. Recent advances offered a number of …

Scientists invent a new type of microscope that can see through an intact skull
Non-invasive microscopic techniques such as optical coherence microscopy and two-photon microscopy are commonly used for in vivo imaging of living tissues. When light passes through turbid materials such as biological tissues, …

Photonics meets surface science in a cheap and accurate sensor for biological liquids
Skoltech researchers and their colleagues from Russia and Israel have come up with a new, simple and inexpensive method of testing liquid biological samples that can be further developed to work in clinical settings, including …

Valuing ‘natural capital’ vital to avoid next pandemic, global experts warn
Pandemics will emerge more often, kill more people than COVID-19 and do even more damage to the world economy unless urgent steps are taken to address risk drivers such as deforestation, warns a major new report on biodiversity …

Newly discovered ghostly circles in the sky can’t be explained by current theories, astronomers excited
In September 2019, my colleague Anna Kapinska gave a presentation showing interesting objects she’d found while browsing our new radio astronomical data. She had started noticing very weird shapes she couldn’t fit easily …

Researchers ask public for help finding lingering ash trees
The search is on for lingering ash, those rare trees that have managed to survive the deadly onslaught of the emerald ash borer. Finding them in the forest is like looking for a needle in the haystack, but the University …

Entry barriers for women are amplified by AI in recruitment algorithms, study finds
Human gender biases that limit recruitment opportunities for women are mimicked and exacerbated by artificial intelligence (AI) used for sorting resumés, according to new research.

Science confirms what we all know: Gentrification disproportionately affects minorities
A new study by a Stanford sociologist has determined that the negative effects of gentrification are felt disproportionately by minority communities, whose residents have fewer options of neighborhoods they can move to compared …

Creating a next-generation photonic-electronic integration circuit
Global internet is growing at a compound rate of 24% per year, reaching 3.3 zettabytes per year by 2021. High-speed optical communication is urgently needed in this ever-connected world, and to keep up with this growth, developments …