An international group of researchers says two decades of research have generated sufficient knowledge about the sources and effects of microplastics to allow world leaders to agree measures to address them. The argument comes 20 years after the first ever study to coin the term microplastics to describe the microscopic fragments of plastics in our ocean. Read more ›
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A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but humans and animals cannot adapt fast enough to keep up with human-caused climate change. Read more ›
68
A nationwide clinical trial shows positive results for cancer patients with this common wasting syndrome. Read more ›
21
Drug overdose mortality has risen faster among adolescents than the general population in recent years, largely due to fentanyl, a potent opioid pain medication. A new study sheds light on trends in nonfatal opioid overdoses in youth -- an area that was not as well characterized, but key to formulating prevention strategies to save lives. Read more ›
0
Researchers have developed an innovative new method for identifying biomarkers in wastewater using origami-paper sensors, enabling the tracking of infectious diseases using the camera in a mobile phone. The new test device is low-cost and fast and could dramatically change how public health measures are directed in any future pandemics. Read more ›
2
Scientists are now able to directly compare the different kinds of injury that mechanical ventilation causes to cells in the lungs. In a new study, using a ventilator-on-a-chip model, researchers found that shear stress from the collapse and reopening of the air sacs is the most injurious type of damage. Read more ›
0
A new study offers a fresh perspective on the role of sodium in mitochondrial physiology and points the way to future research into the relationship between complex I disorders and a host of neuronal diseases. Read more ›
0
Hydrogen is in great demand due to its promising role as a sustainable resource in the energy transition. Researchers have made an important breakthrough in the efficient and cost-effective provision of isotopes. These are the three forms in which hydrogen occurs in nature -- as protium, deuterium or tritium. The team has taken a big step towards realizing its dream of separating hydrogen isotopes at room temperature at low cost. Read more ›
2
Divalent samarium compounds are important reagents for reductive transformations in organic chemistry. However, currently, a high amount of this reagent is required in most reactions, and it also necessitates the use of harmful chemicals. To address this issue, researchers have developed a visible-light-antenna ligand that coordinates with stable trivalent samarium compounds, which, upon exposure to visible light, are reduced to divalent samarium, enabling milder conditions and smaller amounts of samarium... Read more ›
0
A research team has successfully recreated the structure of wrinkles in biological tissue in vitro, uncovering the mechanisms behind their formation. Read more ›
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Researchers have developed a groundbreaking soft cortical device that could revolutionize the treatment of epilepsy and other neurological disorders. Read more ›
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Can an immunoassay be created and selectively detect a virus in under 5 minutes? In a new study, researchers report that it can be done using a low-power laser like a laser pointer with a little liquid sample like a sesame seed. Read more ›
21
Linnaeus collected 643 different plant species that were then fed to horses, cows, pigs, sheep and goats. The results were carefully compiled but not analyzed until now, 275 years later. Read more ›
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A new study provides a list of the wildlife species present at the market from which SARS-CoV-2, the virus responsible for the COVID-19 pandemic, most likely arose in late 2019. The study is based on a new analysis of metatranscriptomic data released by the Chinese Center for Disease Control and Prevention (CDC). The data come from more than 800 samples collected in and around the Huanan Seafood Wholesale market beginning... Read more ›
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Ice may look safe for a game of pick-up hockey on the lake, but as a new study has found, looks can be deceiving. Warming winters are not only affecting ice thickness and timing -- when a lake freezes and thaws -- but also quality, making it potentially unstable and unsafe. The problem, say researchers, is that the unpredictable and warmer winter weather is creating thinner layers of black ice... Read more ›
3
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, less waste, and intelligent repair/recycling strategies. A research team has now introduced a method for making adhesives that can be deactivated 'on command'. Read more ›
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Researchers have developed a Martian atmospheric evolution model to propose a new theory about Mars's past. Read more ›
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Ancient DNA has provided spectacular insights into human history, particularly in Europe and Asia, where researchers have reconstructed the genomes of thousands of people. However, fewer than two dozen ancient genomes have been recovered from southern Africa -- specifically Botswana, South Africa and Zambia -- which has some of the world's earliest evidence of modern humans, with the oldest genomes dating back around 2,000 years. Read more ›
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Thermoelectric devices are devices that can convert heat into electrical energy. Researchers have now developed a thermoelectric device composed of organic materials that can generate electricity from ambient temperature alone. The device is made from copper phthalocyanine and copper hexadecafluoro phthalocyanine as charge transfer materials and was combined with fullerenes and BCP as electron transport layers. Read more ›
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Researchers have developed a model that uses gene activity to predict when Somei Yoshino cherry tree buds awake from dormancy. Their findings could not only help improve the accuracy of flowering forecasts, but also highlight the potential of climate change to threaten flowering in Japan's southern region. Read more ›
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Most popular sources
Business Insider
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28% 1 |
Wired
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9% 6 |
The Verge
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7% 0 |
Tech Wire Asia
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6% 5 |
Gizmodo
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6% 0 |
| View sources » | |
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26.11.2024 22:42
Last update: 22:35 EDT.
News rating updated: 05:30.
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