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Science News Archive 2021


Page 90 of 510

Apple iPhone 17 Pro

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

AI helping to quantify enzyme activity

Researchers used AI to predict Michaelis constants from substrate and enzyme structures, achieving accuracy comparable to experimental values. This breakthrough enables computers to estimate enzyme activity in seconds without experimentation.

Large study shows regular millet consumption can combat anemia

A large-scale study shows that regular millet consumption can improve hemoglobin and serum ferritin levels, reducing iron deficiency anemia. The research found that millets increased hemoglobin levels by up to 13.2% and serum ferritin by an average of 54.7%.

How quickly does the climate recover?

Research finds climate stabilized due to increased rock weathering and erosion, which converts CO2 into insoluble carbonate; this process took 20,000-50,000 years. Lithium isotope analysis supports theory, showing increased weathering and erosion during Paleocene-Eocene Thermal Maximum.

More than 99.9% of studies agree: Humans caused climate change

A recent survey of 88,125 climate-related studies found that 99.9% support human-caused climate change, with only four skeptical papers out of 3,000 examined. The study's findings provide strong evidence for the reality of human influence on climate, allaying any remaining doubt.

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.

Virtual job interviews infected by COVID-19 worries, new study finds

A new study from the University of Toronto found that virtual job interviews during COVID-19 increased anxiety in candidates, leading to reduced performance. Organizations can improve candidate experience and fairness by designing platforms that minimize anxiety, suggests lead researcher Julie McCarthy.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Scientists develop sperm cells from primate stem cells

Researchers have made a breakthrough in spermatogonial stem cell research, successfully generating functional sperm cells using primate embryonic stem cells. The study, published in Fertility and Sterility Science, shows promise for future clinical therapies to treat male infertility.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

NREL, mines insight could lead to better silicon solar panels

Researchers at NREL and Colorado School of Mines used electron paramagnetic resonance to pinpoint the source of light-induced degradation in silicon solar cells. They discovered a distinct defect signature that disappears when applying regeneration process to cure LID, suggesting not all atomic changes lead to efficiency drop.

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.

New model points to solution to global blood shortage

A new mathematical model suggests that patients with anemia can be effectively treated with transfusions of blood substitutes, which are more readily available than real blood. This approach could reduce the negative effects of blood transfusion and lower costs.

Chang’E-5 mission sheds light on the evolution of the moon

The study provides evidence that lunar volcanic activity persisted for a longer period than previously thought, extending the duration of geological processes on the Moon. The samples also reveal that the Moon's interior was still evolving at around 2 billion years ago.

Pakistan’s amphibians need more research efforts and better protection

The study reports 21 species of Pakistan's amphibians, highlighting the need for conservation strategies to control populations and address human-caused threats. Researchers propose an inclusive wildlife conservation approach incorporating poorly documented taxa like amphibians to maintain ecosystem health.

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.

New study probes x-ray bursts from low-mass x-ray binaries

Researchers measured the alpha-proton reaction of magnesium-22, providing essential data for understanding X-ray burst light curves and environments. The new reaction rate was used to closely reproduce observed X-ray bursts, shedding light on the physics behind these events.

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.

Ancient driftwood tracks 500 years of Arctic warming and sea ice

A new study reconstructs Arctic sea ice levels and currents over 500 years using ancient driftwood, showing a distinct drop in tree arrivals since the 1990s. The research provides a unique look into past Arctic Ocean conditions, shedding light on the impact of climate change on this fragile ecosystem.

A new standard for reporting epidemic prediction research

International panel develops EPIFORGE guidelines to standardize reporting of epidemic prediction research, aiming to improve manuscript quality and impact. The checklist outlines 19 recommended items, including clear data sources and public availability of computer code.

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.

Maintaining balance in the brain

Researchers at Gladstone Institutes found that reducing tau levels impacts both excitatory and inhibitory cells, leading to a reduction in excitation-inhibition ratios. This effect counteracts diseases that cause abnormal increases in this ratio, potentially improving the brain's ability to perform its functions.

Amount of information in visible universe quantified

Researchers estimate that the visible universe contains approximately 6 times 10 to the power of 80 bits of information. This numerical prediction offers a potential avenue toward experimental testing and refining predictions, including research into the hypothesis that information is the fifth state of matter in the universe.

Celestron NexStar 8SE Computerized Telescope

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

Marangoni surfer robots look and move like water bugs

Researchers from Michigan Technological University created a robot that uses Marangoni propulsion to move across liquid surfaces like insects. The robot's design is inspired by the ability of certain species to manipulate surface tension for speed and maneuverability.

DNA tangles can help predict evolution of mutations

Researchers found that DNA tangles create mutational hotspots in bacterial genomes, influencing evolution. By altering the sequence to prevent hairpin tangles, they can predict how microbes might mutate under selective pressure.

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.

Reactivating memories during sleep improves motor skills

Researchers found that reactivating memories during sleep improves motor skills by enhancing learning of new motor tasks. The study showed participants performed better without sound cues after a nap, indicating improved memory recall and muscle activation.

So-called junk DNA plays critical role in mammalian development

A new study has identified a transposon promoter that plays a crucial role in the development of mice and may also be essential for human viability. The discovery suggests that ancient viral DNA has been domesticated to regulate key biological processes, such as cell proliferation and embryo implantation.

High effectiveness of mix-and-match COVID-19 vaccines

A nationwide study in Sweden found that receiving a mix-and-match COVID-19 vaccine schedule reduced the risk of infection by up to 79%. The study, published in The Lancet Regional Health - Europe, showed greater risk reduction for people who received an mRNA vaccine after having received a first dose of a vector-based vaccine.

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.

Scientists show how AI may spot unseen signs of heart failure

A new AI-based computer algorithm created by Mount Sinai researchers can identify subtle changes in electrocardiograms to predict heart failure. The algorithm was 94% accurate at predicting healthy ejection fractions and 87% accurate at detecting weakened hearts, offering a promising alternative to traditional diagnosis methods.

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.

Anglers need tailored messaging to inspire action on invasive species

Researchers found that most anglers weren't thinking about how invasive species could affect their own lives, highlighting the need for personalized messaging. Tailoring education campaigns to an angler's values and risk perceptions can motivate action, such as decontaminating boats or attending cleanup events.

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.

Two Brookhaven Lab physicists named APS Fellows

Brookhaven Lab particle physicist Kétévi Assamagan has been elected as an APS Fellow for his significant contributions to the Standard Model Higgs boson research. He is also recognized for leading physics outreach programs, including founding the African School of Fundamental Physics and Applications.