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Science News Archive December 2021


Page 24 of 33

Streetwise bees cut corners to find food

New research shows that bumblebees waste no time enjoying flowers but instead learn the bare minimum about where to land and find food. Bees extract just the necessary information from artificial flowers, suggesting a simple, low-effort form of learning is sufficient in some situations.

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.

How the body uses fat to fight infection

Researchers discovered that blood stem cells use high-energy fatty acids from the body's fat stores to power up their response to infection. This finding could lead to new approaches in treating bacterial infections, particularly in vulnerable and older individuals.

Iron treatments reduce heart attacks in patients on dialysis

A large-scale trial found that high-dose intravenous iron therapy reduces heart attacks in patients with kidney failure undergoing dialysis. The study analyzed 2141 patients and reported a significant reduction in type 1 heart attacks, which are often caused by blood clots or blockages.

Embryonic cells sense stiffness in order to form the face

Researchers at University College London discovered that embryonic cells can navigate towards harder regions using chemical and mechanical signals, guiding the formation of facial features. This breakthrough could help prevent birth defects and infant mortality by improving understanding of cell migration mechanisms.

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.

World’s largest pterosaur leaped aloft to fly

New research on the world's largest pterosaur, Quetzalcoatlus, reveals that it likely leaped into the air before lifting off, using its wings to generate lift. The study, published by the Society of Vertebrate Paleontology, is the most comprehensive on the species yet and provides new insights into its flight mechanics.

Multiple indicators of wastewater contamination to shellfish farms

A recent study tested various indicators to identify potential sources of wastewater contamination in shellfish farms. The researchers found that using multiple indicators in combination provided a greater potential for source identification and detected seasonal variation in contamination risk.

Orangutan mothers help offspring to learn

A new study reveals that orangutan mothers are proactively involved in teaching their young, tailoring behavior to match age and abilities. They adjust tolerance levels during feeding interactions, facilitating learning opportunities and enabling immatures to acquire complex foraging skills.

Biodiversity collections enable foundational and data skills

A new module utilizes biodiversity collections to produce a holistic student learning experience, covering topics such as plant specimen collection and data deposition. The authors reported strong learning results, with students feeling well-prepared to use foundational skills and digital data repositories.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Anxiodepressive disorders: Much more than a matter of weight

Metabolic disorders, such as inflammation and insulin resistance, are key elements in the development of anxiodepressive disorders in obese individuals. Diet high in sugar and saturated fats leads to these changes in the brain, increasing the risk of depression and anxiety.

Bird singing contests: A clash of culture and conservation

Researchers found bird-singing contests taking place in at least 22 countries using 36 species of birds, with pressure on wild populations like the White-rumped Shama and Orange-headed Thrush. The practice also drives demand for songbirds in Southeast Asia, a region where more species are threatened by trade

Apple iPhone 17 Pro

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

How well are alternative feedstuffs received by the end consumer?

Researchers investigated how providing information about alternative feedstuffs impacts consumer preferences. They found that consumers are more likely to prefer insect-based feed due to sustainability claims. The study emphasizes the importance of labelling and transparency for the acceptance of these alternatives.

New study sheds light on link between sun exposure and MS

A new study found that kids, teens and young adults who spend more time outdoors during the summer months have a lower risk of developing multiple sclerosis (MS) as children. The research also suggests that greater time spent outdoors in the first year of life is associated with lower odds of MS.

Endothelial cells play important role in blood clotting

Recent research reveals that endothelial cells produce all necessary coagulation proteins for thrombin generation, enabling the clotting process to occur on their surfaces. This finding shifts our understanding of blood clot development and treatment strategies.

Celestron NexStar 8SE Computerized Telescope

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

Year in pharma: COVID-19 and beyond

The COVID-19 pandemic drove significant advancements in pharmaceutical technology, with mRNA-based vaccines proving highly effective. Oral antiviral pills, such as Merck's molnupiravir and Pfizer's PF-0732133, showed promise in reducing hospitalization and death rates among unvaccinated individuals.

What can 35-year-old stool samples tell scientists about HIV/AIDS?

A new study links the composition of gut microbiome before infection to HIV susceptibility and progression. Men who contracted HIV in the early days of the pandemic had a greater relative abundance of pro-inflammatory vs. anti-inflammatory gut microbes, which contributed to their increased risk of developing AIDS.

Study shows success of New York City’s Clean Heat Program

The study found that the ban of heating oil #6 was effective in reducing fine particles, nitrogen dioxide, and sulfur dioxide levels in NYC. The reductions were independent of other sources of air pollution, suggesting a significant impact on public health outcomes.

Global research shows that digital contact does not enhance wellbeing

Research by University of Kent and Nottingham Trent University found that video and text-based messaging apps have a negative effect on the mental wellbeing of young people over 16 during Covid-19 lockdowns. Despite this, face-to-face contact is positively associated with wellbeing compared to digital contact.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Sleep, a creativity booster?

Researchers found a specific phase of sleep after falling asleep that triples the chances of finding creative solutions, making it a potential tool for stimulating creativity in everyday life. This discovery opens a new field of study on brain mechanisms of creativity and challenges the common view of sleep as a waste of time.

Modeling emissions pathways for India’s climate amid COVID-19 recovery

A new study models India's climate change impact from varying emissions strategies during the COVID-19 recovery. The research finds that greener scenarios may drive a positive feedback loop, while extreme temperature and precipitation events are expected to increase in magnitude and frequency regardless of the emissions commitments.

Sunshine may shield children, young adults from MS

A new study suggests that sun exposure may reduce the risk of multiple sclerosis in children and young adults by up to 52%. Vitamin D levels are also found to be higher in individuals with increased sun exposure, which may play a role in protecting against autoimmune diseases.

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.

Low concentrations of CO2→CO direct conversion technology

A Korean research team has developed a catalyst and operating process that can produce carbon monoxide (CO) with high efficiency using flue gas level low-concentration CO2. The new technology increases CO productivity by inhibiting hydrogen production, making it economically feasible compared to noble metal catalysts.

Never-before-seen ammonite muscles revealed in 3D from Jurassic fossil

Researchers have discovered the internal soft tissues of an exceptionally preserved 20-million-year-old ammonite fossil using advanced imaging techniques. The study reveals that these ancient cephalopods used hyponomes to jet propel themselves through water, similar to modern squid and octopuses.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

New tech assigns more accurate “time of death” to cells

Researchers developed a new technology that tracks thousands of cells and determines the precise moment of death for any cell in the group. The approach was shown to work in rodent and human cells as well as within live zebrafish, and can be used to follow cells over weeks to months.

Newly discovered fish songs demonstrate reef restoration success

Researchers at the University of Exeter found that coral reef restoration projects can lead to a healthy and functioning ecosystem through the soundscape, with increased fish sounds recorded on restored reefs. The study used acoustic recordings from 2018-2019 as part of the monitoring program for the Mars Coral Reef Restoration Project.

Keto diet may not work for women

Researchers at University of California - Riverside are studying the keto and intermittent fasting diets on a molecular level, finding that women may metabolize fat differently than men. The study aims to understand why keto diet may not be effective for women and how it affects their overall health.

Moderate immune response is more effective against leukemia

Scientists from German Cancer Research Center show that blocking a cytokine slows down the immune system and exhausts T cells, leading to a more severe course of leukemia. The study suggests that a moderate activation of immune cells may be key to success in cancer immunotherapies.

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.

RNAging: An exercise-regulated noncoding RNA counteracts muscle aging

The study found that exercise induces expression of long noncoding RNA CYTOR, which enhances myogenic differentiation and improves muscle morphology and function in aged muscles. CYTOR also re-configures chromatin accessibility at binding sites of other genes, shedding light on its mechanisms.

You can help scientists study the Sun

The Solar Jet Hunter project, led by researchers at the University of Minnesota and supported by NASA, allows volunteers to identify solar jets in images captured over 11 years. By annotating images, citizen scientists contribute to a database that helps narrow down data on the Sun for further review.

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.

Mechanism identified for rare disorder of glycosylation

Scientists have identified a mechanism contributing to the tissue phenotypes of PMM2-CDG, a congenital disorder of glycosylation. Using a zebrafish model, researchers found that defects in N-cadherin processing lead to craniofacial and motility abnormalities.

Remarkable Jurassic fossil reveals ammonite muscles in 3D

A rare Jurassic fossil has provided new insights into the anatomy and functional morphology of ammonites. The study, which used cutting-edge imaging techniques, revealed paired muscles extending from the body mass for protection, and a swimming style termed jet propulsion.

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.

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.

Baleens read like a whale's history book

Scientists have developed a novel way to analyze nitrogen isotopes in whale baleen to reconstruct the animal's diet, trophic level, and migration pattern. The method reveals annual migration patterns between Arctic and North Atlantic oceans, providing insights into threatened population migration pathways.

Imagining future guilt helps athletes turn away from doping - study

Researchers discovered that appealing to athletes' sense of 'future guilt' through psychological intervention was a more powerful initial reaction than education programmes highlighting the risks of doping. The study also found that receiving useful information about doping strengthened athletes' confidence to resist temptation.

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.

Otago research could inform future cannabis legalisation policies

A University of Otago study surveyed 529 students to investigate factors influencing the switch from illicit to lawful cannabis sources. The main facilitator identified was perceived safety, with 63% of respondents citing this as a primary reason for sourcing cannabis through legal channels.