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Science News for April 29, 2016


Finding sheds light on what may kill neurons after stroke

Researchers found that acidity can reactivate dormant N3A receptors, causing neurons to become more sensitive to glutamate, which can kill them. This finding sheds light on the role of N3A receptors in brain function and may lead to new treatments for strokes, seizures, and schizophrenia.

SourceUniversity at Buffalo·JournalScientific Reports·DateApr 29, 2016

Cancer drug may treat sepsis, other uncontrollable immune responses to infection

Researchers found that topoisomerase 1 inhibitors suppress inflammation in mice, potentially treating sepsis and other immune disorders. These drugs have shown promise in rescuing mice from a lethal inflammatory response caused by bacterial infections, suggesting a new approach to controlling acute infections.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalScience·DateApr 29, 2016
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Experts link up to improve South Asia's potatoes

A new public-private partnership aims to develop better potatoes for tropical and subtropical conditions in South Asia. CIP, HZPC, and SFSA will combine their expertise to breed and select potato varieties suitable for local markets.

SourceInternational Potato Center / Centro Internacional de la Papa·DateApr 29, 2016

Exposure to particulate air pollutants associated with numerous cancers

Researchers found that long-term exposure to environmental pollutants, specifically fine particulate matter (PM2.5), was linked to a higher risk of death from multiple types of cancer in an elderly Hong Kong population. The study showed a significant association between PM2.5 and increased mortality from breast, lung, and other cancers.

SourceUniversity of Birmingham·DateApr 29, 2016
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Scientists map brain's 'thesaurus' to help decode inner thoughts

Researchers create a detailed semantic atlas of the brain's language processing areas, revealing similarities in semantic topography across individuals. The study has potential applications in brain-machine interfaces, decoding difficult-to-speak patients, and translating languages.

SourceU.S. National Science Foundation·JournalNature·DateApr 29, 2016

Nanoparticles present sustainable way to grow food crops

Researchers at Washington University in St. Louis have found a way to improve the growth of protein-rich bean crops by using zinc oxide nanoparticles, reducing the need for rock phosphorus fertilizer. The nanoparticles increase nutrient uptake and enzyme activity, leading to a lesser need for external phosphorus application.

SourceWashington University in St. Louis·JournalJournal of Agricultural and Food Chemistry·DateApr 29, 2016

Birds of prey constrained in the beak evolution race

Researchers found that raptors' skulls change shape predictably with species size, linking beak and skull shapes. This constraint may limit the evolutionary flexibility of birds of prey.

SourceUniversity of Bristol·JournalProceedings of the National Academy of Sciences·DateApr 29, 2016

Scientists discover oral sexual encounters in spiders

Researchers found that male Darwin's bark spiders salivate onto female genitalia as an obligatory behavior before and after copulation. This unusual practice is thought to boost the male's chances of paternity by signaling quality or favoring one sperm over rivals.

SourceZRC SAZU·JournalScientific Reports·DateApr 29, 2016

Screening method uncovers drugs that may combat deadly antibiotic-resistant bacteria

Researchers at Beth Israel Deaconess Medical Center have developed a method to identify new antimicrobials that target antibiotic-resistant bacteria. Approximately 10,000 compounds were screened, and three approved drugs showed promise in inhibiting the growth of carbapenem-resistant Enterobacteriaceae (CRE).

SourceBeth Israel Deaconess Medical Center·JournalAssay and Drug Development Technologies·DateApr 29, 2016
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Spintronics for future information technologies

Researchers have successfully controlled spin currents in topological insulators using circularly polarised laser light, opening the door for ultra-energy efficient data processing. The findings, published in Physical Review B, demonstrate the potential of these materials for spintronic applications.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalPhysical Review B·DateApr 29, 2016

Why can't a woman play tennis like a man?

Researchers found that modifying tennis to match men's and women's physical characteristics could increase competitiveness in women's matches. The study controlled for physical factors like height and body mass index, but not other variables like strength and speed.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalJournal of Sports Economics·DateApr 29, 2016

HPV infection can be identified in self-collected vaginal swabs

Researchers have developed a method to identify HPV infections using self-collected vaginal swabs, which provides accurate results similar to clinician-collected cervical specimens. This technology enables same-day screening and treatment, critical for preventing premature deaths from HPV-associated cancers in low-income countries.

SourceAmerican Society for Microbiology·JournalJournal of Clinical Microbiology·DateApr 29, 2016
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Trauma in a bee

Entomologists have described a traumatic insemination process in which male twisted-winged parasites inject semen directly into the female's body cavity. The fertilization process is unusually prolonged, lasting up to 30 minutes, and is likely used to reduce sperm competition.

SourceFriedrich-Schiller-Universitaet Jena·JournalScientific Reports·DateApr 29, 2016

Don't retweet if you want to remember

Experiments at Cornell University and Beijing University found that retweeting creates cognitive overload, leading to poor comprehension and recall of information. The study suggests that web interfaces should be designed to promote rather than interfere with cognitive processing.

SourceCornell University·JournalComputers in Human Behavior·DateApr 29, 2016
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Clay nanotube-biopolymer composite scaffolds for tissue engineering

Researchers developed clay nanotube-biopolymer composite scaffolds that improve mechanical strength, water uptake, and thermal properties. The scaffolds demonstrated enhanced biocompatibility and encouraged cell adhesion, proliferation, and neo-vascularization in vitro and in vivo.

SourceKazan Federal University·JournalNanoscale·DateApr 29, 2016

Ebola virus genome provides clues to repeated disease 'flare-ups' in Western Africa

Genomic analysis of Ebola virus samples from Liberia in June 2015 indicates a re-emergence of a persistently infected source, highlighting the risk of disease flare-ups even after an outbreak is declared over. The study's findings suggest that the virus replicates at a lower rate during persistent infections.

SourceUS Army Medical Research Institute of Infectious Diseases·JournalScience Advances·DateApr 29, 2016

Stansfield honored by Southern Society for Pediatric Research

Dr. Stansfield received a Clinical Science Young Investigator Award for his studies of cardiovascular risks associated with being a low- or high-birthweight baby. His research shows that extreme birthweights increase the risk of visceral adiposity and heart disease.

SourceMedical College of Georgia at Augusta University·DateApr 29, 2016

The gut microbiomes of infants have an impact on autoimmunity

A global study found that gut microbiomes of infants in Finland and Estonia are dominated by Bacteroides species, while Russian Karelian infants have an overrepresentation of Bifidobacterium. This difference may contribute to the spike in immune disorders seen in western societies.

SourceAalto University·JournalCell·DateApr 29, 2016
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

'Machine learning' may contribute to new advances in plastic surgery

Researchers explore machine learning's potential to enhance plastic surgery with algorithms for predicting burn healing times and suggesting reconstructive approaches. The field also holds promise for improving microsurgery, craniofacial surgery, hand and peripheral nerve surgery, and aesthetic surgery outcomes.

SourceWolters Kluwer Health·JournalPlastic & Reconstructive Surgery·DateApr 29, 2016

Good long-term quality of life after 'DIEP flap' breast reconstruction

A study published in Plastic and Reconstructive Surgery found that DIEP flap breast reconstruction provides good long-term quality of life for women who have undergone mastectomy for breast cancer. The reconstruction method allowed patients to maintain a good QOL in the long-term, comparable to women without breast cancer.

SourceWolters Kluwer Health·JournalPlastic & Reconstructive Surgery·DateApr 29, 2016

Salts in the brain control our sleep-wake cycle

Researchers at the University of Copenhagen have made a groundbreaking discovery about the role of salts in the brain controlling our sleep-wake cycle. By influencing salt levels, it is possible to control a mouse's sleep-wake cycle independently of neuromodulators like adrenalin.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalScience·DateApr 29, 2016
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Evidence points to widespread loss of ocean oxygen by 2030s

A new study led by NCAR scientist Matthew Long finds that ocean deoxygenation caused by climate change will become detectable between 2030 and 2040, posing a major threat to marine life. The researchers used the Community Earth System Model to quantify large-scale changes in oxygen in the oceans.

SourceU.S. National Science Foundation·JournalGlobal Biogeochemical Cycles·DateApr 29, 2016

NIH creates Atlas of Human Malformation Syndromes in Diverse Populations

The NIH has created an atlas of human malformation syndromes in diverse populations to help diagnose genomic diseases. The atlas features photos and descriptions of people with different inherited conditions, allowing healthcare providers to diagnose patients from non-European ancestry more accurately.

SourceNIH/National Human Genome Research Institute·JournalGenetics in Medicine·DateApr 29, 2016
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Light-powered 3-D printer creates terahertz lens

The new lens uses metamaterials and 3D printing to counter the intrinsic imperfections of typical lenses, enabling flawless images without additional corrective components. The technology has potential applications in biomedical research and security imaging, making terahertz imaging cheaper, higher resolution, and more available.

SourceNorthwestern University·JournalAdvanced Optical Materials·DateApr 29, 2016
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

What lies beneath West Antarctica?

Scientists have uncovered a wetland-like environment beneath the West Antarctic Ice Sheet, where Subglacial Lake Whillans is fed by melting ice and small amounts of seawater. The findings provide unique insights into the biogeochemistry and geophysics of subglacial lake systems, which are essential for understanding global sea-level rise.

SourceU.S. National Science Foundation·JournalGeophysical Research Letters·DateApr 29, 2016

Save urban bees

A new project aims to mobilize the public to help local urban bees by planting bee-friendly flowers and tracking their movements. The London Pollinator Project encourages Londoners to plant flowers that are rich in nectar and pollen, such as English lavender and spiked speedwell, to support the ailing urban bee population.

SourceQueen Mary University of London·DateApr 29, 2016

Is breast conserving therapy or mastectomy better for early breast cancer?

A new study found that younger women with early breast cancer who undergo breast conserving therapy (BCT) have a 13% higher risk of local recurrence and a doubled risk of metastasis compared to those who receive mastectomy. This contrasts with older women, where BCT is deemed safe without increased risks.

SourceEuropean Society for Radiotherapy and Oncology (ESTRO)·DateApr 29, 2016
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Salt-inducible kinases may have therapeutic potential for autoimmune diseases

Research suggests that salt-inducible kinases may have therapeutic potential for autoimmune diseases. By inhibiting these enzymes, scientists were able to limit the production of inflammatory molecules by certain types of human immune cells, increasing levels of anti-inflammatory IL-10 and reducing proinflammatory cytokines.

SourceFederation of American Societies for Experimental Biology·JournalJournal of Leukocyte Biology·DateApr 29, 2016

NASA's Fermi Telescope helps link cosmic neutrino to blazar blast

Astronomers have linked a record-breaking cosmic neutrino, Big Bird, detected in 2012 to a powerful outburst from the black hole at PKS B1424-418. The association is supported by data from NASA's Fermi Gamma-ray Space Telescope and other space-based observatories.

SourceNASA/Goddard Space Flight Center·JournalNature Physics·DateApr 29, 2016

Insulating layer of air above the Greenland ice sheet reduces precipitation

Researchers discovered an insulating layer of air that forms near the surface during winter, reducing evaporation and precipitation on the ice sheet. This phenomenon explains why temperature has risen without increased precipitation on the central parts of the Greenland ice sheet.

SourceUniversity of Copenhagen - Niels Bohr Institute·JournalScience Advances·DateApr 29, 2016
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Cooling graphene-based film close to pilot-scale production

Researchers developed a graphene nanoflake-based film for efficient cooling of electronics, achieving over 76% improvement in heat transfer efficiency. The functionalization layer constrains cross-plane scattering of low-frequency phonons, enhancing in-plane heat conduction and reducing contact resistance.

SourceChalmers University of Technology·JournalNature Communications·DateApr 29, 2016