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Science News Archive 2021


Page 255 of 510

How long-known genes continue to surprise researchers

Researchers have discovered a huge diversity of alternative splicing combinations in the human brain, allowing for adaptation to specific requirements. New glutamate receptor variants, some with potential new functions, were identified using bioinformatic methods.

How a bath sponge becomes a bio-based industrial filter

Researchers at TU Freiberg create new composite material from marine bath sponges that can be used as a bi-based filter for wastewater treatment or pollutant removal, and can be reused multiple times without losing its properties.

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.

Algorithm reveals the mysterious foraging habits of narwhals

A team of researchers developed an algorithm that can predict when narwhals hunt, opening up new insights into their life and behavior. The algorithm uses acoustic data from clicks and buzzing sounds to map the whales' movement patterns and identify hunting areas.

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.

When small epigenomic signals matter

Researchers analyzed epigenomic signals in human and primate cell lines, revealing weak signals linked to brain functions. The findings provide insights into the evolution of human biology and offer a new model for studying regulatory elements.

Apple iPhone 17 Pro

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

Seabird eggs contaminated with cocktail of plastic additives

A new study by the University of Exeter and Queensland has found that herring gull eggs contain up to six types of phthalate, potentially causing oxidative stress in chicks. The research suggests that mothers pass on phthalates and products of lipid damage through their eggs.

Racism and racial trauma as barriers to breastfeeding

African American mothers face significant barriers to breastfeeding due to racism and lack of economic support. The authors identify three forms of institutionalized racism that perpetuate this disparity, including the exploitation of Black women's labor and lack of employer-based support.

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.

Subterranean investigations

Researchers have developed a fast and controllable soft robot that can burrow through sand with minimal resistance. The robot's design is inspired by plants and animals that navigate subterranean spaces, enabling new applications for underwater exploration and potentially paving the way for future space missions.

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.

Lies to hide doping in professional sport

A study by University of Göttingen sports sociologist Dr. Marcel Reinold analyzes autobiographies of professional cyclists, revealing they use complex techniques to manipulate information and conceal doping. The results show athletes play down the extent of the doping problem and portray themselves as victims to avoid suspicion.

Convergent mechanism of aging discovered

Researchers have discovered folate metabolism as a common mechanism underlying aging and lifespan extension across different species. The study found that altering folate metabolism increases lifespan in worms and mice by up to 30 percent, suggesting a potential new approach to improving human health during aging.

We cannot cheat ageing and death

A new study led by Fernando Colchero reveals a strong link between human life expectancy and lifespan equality. Researchers analyzed data from nine human populations and 30 non-human primate populations, including gorillas, chimpanzees, and baboons, to explore the invariant rate of ageing hypothesis.

Natural killers: Using the body's cells to target breast cancer

Researchers at Clemson University developed a bifunctional protein that links natural killer cells to breast cancer tumor cells, triggering the killing of cancer cells. The approach has potential as a new treatment option for triple-negative breast cancer, which is often lethal due to its high heterogeneity and lack of efficient treatm...

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Fossil research shows woodlice cousins roamed Ireland 360 million years ago

A new fossil analysis published in Biology Letters reveals that woodlice cousins, Oxyuropoda, existed on Irish land 360 million years ago. The study uses modern imaging technology to recreate the image of this ancient creature, providing insight into the evolution of crustaceans and their colonization of land.

Advocating reimbursement parity for nurse practitioners

The University of Pennsylvania School of Nursing argues that nurse practitioners should receive 100% reimbursement for services comparable to physicians. This increase in reimbursement rate would incentivize NPs to practice in primary care settings where there is a shortage, leading to better patient outcomes.

'Unshackled' palm-destroying beetles could soon invade Australia

Researchers warn that biological controls have failed to stop the spread of coconut rhinoceros beetles in Pacific islands, putting Australian gardens and industry at risk. The beetles' population genetics reveal multiple virus variations, complicating control efforts and highlighting the need for urgent research.

Meta Quest 3 512GB

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

New material could remove respiratory droplets from air

Researchers developed a new transparent material that captures and removes droplets and aerosols from indoor air, effectively eliminating potential sources of transmission. The coating can be applied to various surfaces and is compatible with antiviral materials.

Measuring the elimination of plastic particles from the body in mice

A study published in Scientific Reports demonstrates the use of positron emission tomography (PET) imaging to track the elimination of plastic particles from the bodies of mice. The research reveals that most small plastic particles are eliminated within two days, with smaller particles cleared faster than larger ones.

Study reveals recipe for even more powerful COVID-19 vaccines

A new study reveals that current vaccines may lack essential viral material to trigger a holistic immune response in humans. The researchers identified 25% of viral protein fragments that trigger the immune system, which could lead to more effective and powerful vaccines.

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.

Survival among adults with early-onset colorectal cancer

A recent study found that adults with early-onset colorectal cancer (diagnosed before age 50) have significantly better survival rates than those diagnosed later in life. The research used data from the National Cancer Database and found a significant difference in survival rates between the two groups.

Smartphone bans in the workplace

A field experiment involving 100 students showed that soft smartphone bans can increase efficiency for standard routine tasks, but have no notable impact on more complex tasks. The success of soft bans also depends on employees' perceptions of social norms and freedom of choice.

Finding pathways for sustainable development in Africa

A new project will develop novel tools and capacities to understand and manage interlinkages between the Sustainable Development Goals (SDGs), supporting sustainable development pathways for African countries. The project will analyze multi-level governance structures and path dependencies to identify impediments and enablers to sustai...

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.

Having a strong life purpose eases loneliness of COVID-19 isolation

Researchers found that individuals with a strong sense of purpose in life were less lonely and more willing to engage in COVID-19 protective behaviors. Despite feelings of loneliness, those with a higher sense of purpose expressed stronger beliefs in the effectiveness of prevention measures.

New research finds ways to improve accuracy of Lateral Flow Tests

Researchers from King's College London have identified potential modifications to Lateral Flow Devices that can improve their sensitivity and accuracy. The study found that the technology behind the devices is highly accurate but faces limitations in read-out technology.

Particles with 'eyes' allow a closer look at rotational dynamics

A team of researchers created particles with an off-center core that can be tracked under a microscope to study rotational dynamics. Their findings show that neighboring spheres rotate coupled and move in opposite directions, like meshed gears, and that there is a relationship between local crystallinity and rotational diffusivity.

Several persistent chemicals were found in fetal organs

Researchers at Karolinska Institutet discovered industrial chemicals in the organs of fetuses conceived decades after many countries banned the substances. The study found that 15 out of 22 persistent organic pollutants were present in every organ, with four chemicals detected in all tissues in all fetuses.

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.

Using microorganisms to monitor water quality within minutes

SUTD researchers have developed a technology that tracks the impact of pollutants on aquatic microorganisms, measuring their swimming speed and movement within minutes. This method allows for rapid assessment of water quality and drinkability, making it suitable for underdeveloped regions without specialized equipment or chemicals.

US sex trafficking survivors face challenges as mothers

US sex trafficking survivors experience difficulties building parenting confidence and exhibiting emotional withdrawal, impacting their ability to be protective parents. The study highlights the need for targeted support to help these individuals overcome challenges in motherhood.

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.

Association of cannabis use during adolescence with neurodevelopment

A recent study found that cannabis use during adolescence is associated with reduced thickness in certain brain areas, according to researchers at the University of Vermont. The study used magnetic resonance imaging to measure brain structure and suggest a possible link between early cannabis use and neurodevelopmental changes.

Keeping strawberries fresh using bioactive packaging

A new bioactive packaging film made of chitosan, essential oils and nanoparticles can keep strawberries fresh for up to 12 days. The film has been tested against several types of pathogens, including Aspergillus niger, Escherichia coli, Listeria monocytogenes and Salmonella Typhimurium.

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.

Can biodegradable polymers live up to the hype?

Key findings suggest PHA's rapid biodegradability is overstated in real-world conditions, but it remains a better alternative to non-biodegradable plastics. Several companies are planning to switch their packaging to PHA-based materials soon.

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.

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.

Quantum-nonlocality at all speeds

Quantum nonlocality is a universal property that prevails regardless of particle speed or indeterminacy. Researchers designed an experiment to test this phenomenon, using the principle of physical phenomena being independent of frame of reference, to prove nonlocality for any quantum particle.