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The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.
Updated: 3 years 1 month ago

The Lancet: Many more people could benefit from blood pressure-lowering medication

Apr 29 2021 - 00:04
Blood pressure-lowering medication can prevent serious cardiovascular conditions such as strokes, heart failure and heart attacks even in adults with normal blood pressure, according to new research published in The Lancet.
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Northern forest fires could accelerate climate change

Apr 29 2021 - 00:04
New research shows that the global models used to project how Earth's climate will change in the future underestimate the impact of forest fires and drying climate on forests' ability to capture and store atmospheric carbon.
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A silver lining for extreme electronics

Apr 29 2021 - 00:04
Michigan State researchers are building tougher circuits to help withstand the grueling demands of energy production, space exploration and more.
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Guidance on treatment for rare blood clots and low platelets related to COVID-19 vaccine

Apr 29 2021 - 00:04
Last Friday, the Centers for Disease Control and Prevention (CDC) and the U.S. Food & Drug Administration (FDA) lifted the pause in administration of the Johnson & Johnson (Janssen) COVID-19 vaccine in the U.S.
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Study: Older adults found resilience during pandemic through community, human connection

Apr 29 2021 - 00:04
Older adults were significantly affected by isolation and stress during Oregon's initial COVID-19 lockdown last spring, but they were also able to find connection and meaning in community, new hobbies and time for themselves, a recent Oregon State University study found.
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Icebreaker's cyclone encounter reveals faster sea ice decline

Apr 29 2021 - 00:04
An icebreaker unexpectedly in the path of an Arctic cyclone allowed researchers to unravel why sea ice declines during and after a cyclone. For the first time ever, scientists were able to show that cyclone-triggered processes within the Arctic Ocean melt sea ice from below.
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Small galaxies likely played important role in evolution of the Universe

Apr 29 2021 - 00:04
A study led by University of Minnesota researchers found evidence of the first-ever galaxy in a "blow-away" state, which could give more insight into the Universe's early stages.
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Open-source GPU technology for supercomputers

Apr 29 2021 - 00:04
Researchers from the HSE International Laboratory for Supercomputer Atomistic Modelling and Multi-scale Analysis, JIHT RAS and MIPT have compared the performance of popular molecular modelling programs on GPU accelerators produced by AMD and Nvidia. In a paper published by the International Journal of High Performance Computing Applications, the scholars ported LAMMPS on the new open-source GPU technology, AMD HIP, for the first time.
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New test detects residual cancer DNA in the blood without relying on tumor data

Apr 29 2021 - 00:04
After surgical removal of a tumor, tests for signs of cancer DNA circulating in the blood typically rely on knowing the mutations that were present in a patient's tumor. A new study has found that a "tumor-uninformed" blood-only test can also detect residual disease.
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Discarded ostrich shells provide timeline for our early African ancestors

Apr 29 2021 - 00:04
Dating early human middens becomes uncertain beyond 50,000 years, when radiocarbon dating ceases to be useful. Uranium-series dating of marine shells and bone is uncertain by some 10% because of the structure of these materials. A UC Berkeley and Berkeley Geochronology Center team has now improved the method for a more stable discard: ostrich eggshells. The method extends the accuracy and precision of radiocarbon 10 times into the past, to about 500,000 years ago.
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Digital mental health interventions for young people are perceived promising, but are they effective

Apr 29 2021 - 00:04
An increasing number of digital mental health interventions are designed for adolescents and young people with a range of mental health issues, but the evidence on their effectiveness is mixed, according to new research. Computerized cognitive behavioral therapy was found effective for anxiety and depression in adolescents and young people, holding promise for increasing access to mental health treatment for these conditions.
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In-person schooling with inadequate mitigation measures raises household member's COVID-19 risk

Apr 29 2021 - 00:04
People living with a child who attends school in-person have an increased risk of reporting evidence of COVID-19, but teacher masking, symptom screening, and other mitigation measures in schools may be able to minimize that excess risk, suggests a study led by researchers at the Johns Hopkins Bloomberg School of Public Health.
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Partnerships between researchers, policymakers and practitioners improve early childhood education

Apr 29 2021 - 00:04
New journal volume proves that research practice partnerships (RPPs), long-term collaborations between researchers, policy makers and practitioners, actually improves early childhood education.
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How to level up soft robotics

Apr 29 2021 - 00:04
The field of soft robotics has exploded in the past decade, as ever more researchers seek to make real the potential of these pliant, flexible automata in a variety of realms, including search and rescue, exploration and medicine.
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Nearly $500M a year in Medicare costs goes to 7 services with no net health benefits

Apr 29 2021 - 00:04
A UCLA-led study shows that physicians frequently order preventive medical services for adult Medicare beneficiaries that are considered unnecessary and of "low value" by the U.S. Preventive Services Task Force -- at a cost of $478 million per year.
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Battling public health misinformation online

Apr 29 2021 - 00:04
Social media and web-based news channels became a communication superhighway for correct and incorrect public health information during the COVID-19 pandemic. The study of this vast amount of information, known as infodemiology, is critical to building public health interventions to combat misinformation and help individuals, groups, and communities navigate and distill crucial public health messages.
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Pop those 'BPA-free' drinking bottles into the dishwasher before using them

Apr 29 2021 - 00:04
A team of researchers at the University of Cincinnati College of Medicine decided to test an array of drinking bottles made of Tritan to see if transient BPA was present. Tritan is a BPA-free plastic. They acquired 10 different Tritan bottles and detected BPA release from two kinds of Tritan bottles. The team then tested whether rinsing, handwashing or dishwashing removed the BPA from the Tritan bottles. It showed that multiple cycles through the dishwasher was the most effective at removing BPA.
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An OU-led study sheds new insight on forest loss and degradation in Brazilian Amazon

Apr 29 2021 - 00:04
An international team led by Xiangming Xiao, George Lynn Cross Research Professor in the Department of Microbiology and Plant Biology, University of Oklahoma College of Arts and Sciences, published a paper in the April issue of the journal Nature Climate Change that has major implications on forest policies, conservation and management practices in the Brazilian Amazon.
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Less innocent than it looks

Apr 29 2021 - 00:04
Researchers in the materials department in UC Santa Barbara's College of Engineering have uncovered a major cause of limitations to efficiency in a new generation of solar cells.
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Baby mantis shrimp don't pull their punches

Apr 29 2021 - 00:04
Tiny larvae of the Philippine mantis shrimp (Gonodactylaceus falcatus) display the ultra-fast movements for which these animals are known, even when they are smaller than a short grain of rice. Their ultra-fast punching appendages measure less than 1 mm, and accelerate 100 times faster than a Formula One race car. However, they violate a rule of thumb that smaller is faster; the adults punch even more quickly.
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