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Science News Archive 2020 - Page 262


Page 262 of 512

Fathers are more likely to be referred for nutrition or exercise counseling

A new study found that overweight and obese fathers are more likely to receive nutrition or exercise counseling than men without children. This increased referral rate may be attributed to the father's commitment to their child's health, highlighting a potential opportunity for healthcare providers to positively influence family outcomes.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·DateJul 6, 2020

Low-threshold topological nanolasers based on the second-order corner state

A team of scientists demonstrates a low-threshold topological nanolaser in a 2D topological photonic crystal nanocavity, achieving high performance comparable to conventional semiconductor lasers. The design features a second-order corner state that provides robustness against defects and enhances light-matter interaction.

Machine learning reveals vulnerabilities in 3D-printed carbon-fiber composites

A team of researchers from NYU Tandon School of Engineering used machine learning to reverse-engineer 3D-printed composite parts, demonstrating a method to capture fiber orientation with high accuracy. The study highlights the potential risks of intellectual property theft in 3D printing and emphasizes the need for secure toolpaths.

SourceNYU Tandon School of Engineering·JournalComposites Science and Technology·DateJul 6, 2020

Using Epo against Covid-19

Researchers suggest Epo may mitigate severe disease progression and protect patients from neurological effects in Covid-19. Initial case studies indicate a positive effect of Epo treatment, with one patient showing rapid recovery after treatment.

SourceMax-Planck-Gesellschaft·JournalMolecular Medicine·DateJul 6, 2020

Highest peak power and excellent stability

Researchers have developed a new system delivering few-ps pulses at 2 μm wavelength with peak power of 17 GW, exceeding previous records. The system features excellent stability and brilliant beam quality, making it suitable for applications in nonlinear optics, spectroscopy, and materials processing.

SourceForschungsverbund Berlin·JournalOptics Letters·DateJul 6, 2020

New study looks at opioid use and driving outcomes among older adults

A recent study published in the Journal of the American Board of Family Medicine found that older adults taking opioids are at a higher risk of crashing, with a 5.4% increase in reported crashes compared to non-users. However, they also tend to self-regulate their driving habits and report lower self-rated driving ability.

SourceUniversity of Colorado Anschutz Medical Campus·JournalThe Journal of the American Board of Family Medicine·DateJul 6, 2020

Global success for Canadian companies depends on prior R&D investment, receptiveness to new learning

A new study found that global success for Canadian companies depends on prior R&D investment and the company's ability to learn from international exposure. The research shows that Canadian companies that go international are more productive and successful due to investments in R&D and learning from new markets.

SourceUniversity of Toronto, Rotman School of Management·JournalJournal of International Business Studies·DateJul 6, 2020

Palm trees most abundant in American rainforests

A new study reveals that palm trees are the most abundant tree species in American rainforests, outnumbering other tropical forest plants by a significant margin. The research, led by scientists at Uppsala University and University of Campinas, Brazil, has quantified palm numbers globally for the first time.

SourceUppsala University·JournalGlobal Ecology and Biogeography·DateJul 6, 2020

St. Jude researchers create an analytic tool that opens a new frontier of cancer discovery

St. Jude Children's Research Hospital scientists have developed a computational tool called cis-X to identify alterations that drive tumor formation in the human genome. The method analyzes abnormal expression of tumor RNA and identifies novel pathogenic variants and oncogenes activated by such variants in regulatory noncoding DNA.

SourceSt. Jude Children's Research Hospital·JournalNature Genetics·DateJul 6, 2020

Permian-Triassic mass extinction and biodiversity

A study analyzed biogeographic distributions of 52,318 marine fossils and found the latitudinal diversity gradient flattened rapidly during the Permian-Triassic mass extinction due to intense global warming and reduced ocean oxygen levels. The curve gradually returned to resemble modern biodiversity patterns after around 5 million years.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJul 6, 2020

Lack of lockdown increased COVID-19 deaths in Sweden, analysis finds

A new analysis by University of Virginia Health System researchers found that Sweden's lack of lockdown during COVID-19 led to more deaths and greater healthcare demand than countries with earlier interventions. However, Sweden fared better than expected when considering public-health mandates alone, similar to France, Italy, and Spain.

SourceUniversity of Virginia Health System·JournalClinical Infectious Diseases·DateJul 6, 2020

U of SC: How non-alcoholic fatty liver disease causes Alzheimer's-like neuroinflammation

A recent study reveals the cause behind the link between non-alcoholic fatty liver disease and neurological problems, including Alzheimer's disease-like symptoms. The unique role of an adipokine called Lipocalin-2 in causing neuroinflammation may explain the prevalence of MAFLD among individuals with neurological disorders.

SourceUniversity of South Carolina·JournalJournal of Neuroinflammation·DateJul 6, 2020