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Science News for December 26, 2022


Spontaneous baby movements have purpose

Researchers found that spontaneous movements in newborns and infants develop patterns of muscle interaction, enabling them to perform sequential movements as infants. This study provides insight into the origin of human movement and may lead to earlier diagnosis of developmental disorders.

SourceUniversity of Tokyo·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateDec 26, 2022
Apple iPhone 17 Pro

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Researchers discover solar wind-derived water in lunar soils

A joint research team from China has discovered high concentrations of hydrogen and low deuterium/hydrogen ratios in lunar soil grain rims consistent with solar wind origin. This finding suggests that the bulk water content in Chang'e-5 lunar soils is around 46 ppm, which could be higher in polar regions.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·DateDec 26, 2022

Eating viruses can power growth, reproduction of microorganism

A team of researchers at the University of Nebraska-Lincoln has discovered that certain microorganisms, such as Halteria, can eat high numbers of chloroviruses, which are known to infect green algae. This finding suggests that virovory, a virus-only diet, can support physiological growth and even population growth in an organism.

SourceUniversity of Nebraska-Lincoln·JournalProceedings of the National Academy of Sciences·DateDec 26, 2022

New platform integrates THz photonics with planarized low-loss polymers

A team of scientists developed a novel integrated photonic platform for THz photonics, integrating active and passive components on the same semiconductor platform. The platform enables efficient signal processing at THz and RF frequencies, with improved performance in critical figures such as dispersion, RF, and thermal properties.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateDec 26, 2022
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

New method finds the right treatment for breast cancer patients

Researchers developed a cell-based method to predict breast cancer treatment responses, showing promising results and potential for personalized medicine. The method uses tumour cells and supporting cells from patients, allowing for efficient drug profiling and accurate treatment prediction.

SourceKarolinska Institutet·JournalProceedings of the National Academy of Sciences·DateDec 26, 2022

Comparing the cost-effectiveness of treatments for blood clots in cancer patients

A new study examines the cost-effectiveness of anticoagulation strategies for blood clots in cancer patients, finding that direct oral anti-coagulant (DOAC) drugs are more effective and cost-effective than low molecular weight heparin (LMWH). DOACs were favored as being more effective and less costly than LMWH in base-case analysis but...

SourceUniversity of California - Davis Health·JournalAnnals of Internal Medicine·DateDec 26, 2022

AI improves colorectal cancer screening in Lynch syndrome

Researchers found that AI-assisted colonoscopy significantly improved adenoma detection rates in patients with Lynch syndrome, detecting flat adenomas more effectively than standard examinations. The study suggests that AI-assisted real-time colonoscopy is a promising approach to optimize endoscopic surveillance for LS patients.

SourceUniversitatsklinikum Bonn·JournalUnited European Gastroenterology Journal·DateDec 26, 2022

Music and ayahuasca’s role in treating substance use disorders in men

Researchers have discovered the positive impact of icaros on men's recovery from drug and alcohol addictions during ayahuasca healing ceremonies. The study, led by UC Riverside doctoral student Owain J. Graham, found that 86% of patients showed statistically significant improvements on the Addictions Severity Index.

SourceUniversity of California - Riverside·JournalAnthropology of Consciousness·TypeCase study·DateDec 26, 2022

Bering Land Bridge formed surprisingly late during last ice age, study finds

A new study reconstructs sea level history at the Bering Strait, finding it remained flooded until around 35,700 years ago, less than 10,000 years before the height of the last ice age. This discovery challenges previous timelines and human migration routes into the Americas.

SourceUniversity of California - Santa Cruz·JournalProceedings of the National Academy of Sciences·DateDec 26, 2022
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Slime for the climate, delivered by brown algae

Researchers discovered that brown algae's fucoidan can remove large amounts of carbon dioxide from the global cycle in the long term. The fucoidan is a recalcitrant molecule that does not return to the atmosphere quickly, making the brown algae particularly effective in removing carbon dioxide from the atmosphere.

SourceMax Planck Institute for Marine Microbiology·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 26, 2022

DOACs more effective, cost-effective compared to LMWH for cancer-associated thrombosis

A cost-effectiveness analysis of direct oral anticoagulants (DOACs) versus low-molecular-weight heparin (LMWH) for cancer-associated thrombosis found that DOACs are more medically effective and cost-effective. The most cost-effective DOAC, apixaban, was also shown to be the least costly anticoagulant.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeData/statistical analysis·DateDec 26, 2022

Researchers revealed the important role of intermolecular hydrogen bond in the separation and purification of structurally similar compounds

The study reveals that N,N-dimethylformamide (DMF) separates carbazole and anthracene due to strong intermolecular hydrogen bonds. Researchers used advanced liquid-state NMR techniques to analyze the interaction mechanism, finding a C=O···H-N bond between DMF and carbazole.

SourceInstitute of Process Engineering, Chinese Academy of Sciences·JournalIndustrial Chemistry and Materials·TypeExperimental study·DateDec 26, 2022