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Science News Archive February 2023


Page 22 of 36

The surprising similarities of packed particles

Scientists develop a statistical model to describe how particles of different sizes jam together, revealing a common structure that can improve spatial efficiency in various industries. The study's findings have significant implications for applications involving particulate matter, such as construction, medicine, and food manufacturing.

Two cardiovascular medicines were well-tolerated for small vessel stroke

A study of over 350 patients with small vessel stroke found that the medications were well-tolerated and safe, suggesting potential benefits in improving patient outcomes. The results indicate that cilostazol and isosorbide mononitrate may help reduce recurrent stroke, cognitive impairment, and improve quality of life.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Cinema has helped ‘entrench’ gender inequality in AI

Research from the University of Cambridge found that cinematic depictions of AI scientists are heavily skewed towards men, contributing to a cultural stereotype that may deter women from pursuing AI careers. The study highlights the need for more diverse representation in AI development.

Funding injection for Strep A vaccine research at UQ

A University of Queensland-led team has secured almost $8 million in philanthropic funding to develop an mRNA vaccine against Group A Streptococcus (Strep A), which causes over 500,000 deaths annually due to rheumatic heart disease.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Medication that protects brain tissue linked to improved stroke survival

A new neuroprotectant medication called ApTOLL has been shown to improve survival and reduce long-term disability among patients with stroke. The study found that ApTOLL, when used in conjunction with standard treatments, reduced death and brain damage, suggesting a promising new approach to treating stroke.

Good news for quality control of messenger RNA (mRNA) medications

Researchers developed a new method to quantify the structure and quality of messenger RNA (mRNA) medicines using liquid chromatography, mass spectrometry, and software analysis. The platform can analyze all three key components of mRNA medicines simultaneously, providing unparalleled efficiency in checking for quality.

Apple iPhone 17 Pro

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

First nonhuman primate model of Usher syndrome confirmed

A new nonhuman primate model of Usher syndrome has been confirmed, providing hope for the development of a treatment for this leading cause of blindness-deafness. The model, created using CRISPR/Cas9 technology, exhibits symptoms similar to those experienced by humans with the condition.

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.

New tobacco product marketing depends on demographics

Researchers at Rutgers University found that disposable e-cigarettes were more likely sold in specialized stores, while nicotine pouches were available in convenience stores and areas with non-Hispanic white residents. The study suggests that these products are targeted to different audiences and informs potential policy actions.

New models shed light on life’s origin

Researchers studied lithospheric fluids billions of years ago to infer the presence of metals that could have supported life. Manganese was found to be a likely candidate, while copper was not detected in high concentrations. The study provides new insights into the origin of life and will inform future experiments.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

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.

D-dimer blood test shows value in detecting prosthetic joint infections

A new study finds that plasma D-dimer levels have comparable diagnostic accuracy to other commonly used tests for identifying periprosthetic joint infection (PJI), and sometimes outperform the standard tests. The test showed higher sensitivity and specificity in detecting PJI, particularly in certain patient subgroups.

Hospital visit for chest pain not always necessary

A study at Radboud University Medical Center found that pre-hospital troponin measurements can safely identify low-risk patients with chest pain, reducing the need for hospital visits. The results show a small risk of major adverse cardiac events, but also significant cost savings.

CAR-T cell cancer immunotherapy gets personal

Researchers at Harvard's Wyss Institute developed a method to fine-tune CAR-T cell stimulation using artificial antigen-presenting scaffolds. This approach enhances consistency and potency of resulting CAR-T cell products, allowing for better cancer treatment outcomes.

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.

A second chance to protect wetlands

A recent study published in Nature highlights the underestimation of global wetland loss over the past 300 years. The research found that temperate river floodplains and tropical regions are disproportionately affected, while remote boreal-arctic peatlands remain relatively unharmed.

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.

ESMO Gynaecological Cancers Congress 2023

The ESMO Gynaecological Cancers Congress 2023 will present the latest treatments and insights for ovarian, uterine, cervical, and rare gynaecological cancers. Around 80 studies will be presented on strategies to overcome PARP inhibitors mechanisms of resistance in ovarian cancer.

Fluke 87V Industrial Digital Multimeter

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

β-damascone: Aroma component of rose fragrance as a novel immunomodulator

Researchers from Tokyo University of Science discovered β-damascone, a natural aroma compound found in rose fragrance, modulates dendritic cell functions and reduces inflammatory cytokine production. The study showed β-damascone inhibits antigen-dependent activation and Th1 cell development, as well as ear inflammation in mice models.

Highlights from the journal CHEST®, February 2023

The February issue of the CHEST journal features 37 articles exploring various topics in chest medicine, including asthma, COPD, and pulmonary vascular disease. The journal also highlights its equity topic collection, focusing on conditions that affect women, such as pulmonary arterial hypertension and sarcoidosis.

Extracts from two wild plants inhibit COVID-19 virus, study finds

A study by Emory University researchers found that extracts from two wild plants, tall goldenrod and eagle fern, inhibited the ability of the SARS-CoV-2 virus to infect living cells. The active compounds are present in miniscule quantities, making it ineffective for self-treatment, but may hold promise as medicines against COVID-19.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Deep-sea black carbon comes from hydrothermal vents

Research reveals hydrothermal vents as a previously undiscovered source of dissolved black carbon in the oceans, transporting it thousands of kilometers away. This discovery sheds light on the ocean's role as a carbon sink and provides insights into the formation of recalcitrant dissolved organic carbon.

How protein-rich droplets form

Scientists have developed a new method to measure calorimetric quantities at the molecular level with picosecond time resolution. By tracking water's spectroscopic fingerprints in the THz range, researchers can accurately predict protein-rich droplet formation and its dependency on external parameters like temperature.

Recalls of fresh meat products may lower customer demand

Fresh meat recalls can significantly reduce customer demand, with large recalls causing a larger loss in meat demand. The study suggests that companies can take action to prevent food recalls by increasing mandatory inspection of fresh meat products and developing standard regulations.

Meta Quest 3 512GB

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

Review strengthens evidence that repetitive head impacts can cause CTE

A recent review strengthens the connection between repetitive head impacts and chronic traumatic encephalopathy (CTE), highlighting a strong dose response relationship. CTE has been diagnosed in over 600 cases, with 97% of confirmed cases showing exposure to RHI, primarily through contact sports.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Tracing the origin of life

Researchers discover abiotic peptide chain formation from glycine in space conditions, shedding light on the origin of life. The study shows that small clusters of glycine molecules exhibit polymerization upon energy input.

Sex, labor, and financial exchange in couchsurfing

A study found that nearly half of under-25 couchsurfers identified as queer, with poor mental health and psychological distress common among this group. Sexual exchange, including labor, was a significant concern, particularly for bisexual and queer women.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

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.