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Science News Archive 2021


Page 60 of 510

Humans guilty of breaking an oceanic law of nature

A new study reveals human activities have drastically altered the ocean's biodiversity, with significant losses in larger species like whales and dolphins. Biomass estimates show a 60% reduction in large fish and marine mammals, outpacing even extreme climate change scenarios.

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.

Your heart 2.0

Researchers have developed AI-powered computer models to predict heart attacks, strokes, and stress-induced blood pressure changes. The models use machine learning to detect early signs of aortic valve anomalies, enabling at-home monitoring and improved diagnostic accuracy.

Back-to-back hurricanes expected to increase in the Gulf Coast

The Gulf Coast is expected to experience more frequent sequential landfalls, with Louisiana and Florida being the most at risk. This will lead to intensified stresses on infrastructure, ecosystems, and people, as well as reduced recovery time between disasters.

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.

How do we learn to learn? New research offers an education

A new study on mice finds that cognitive training designed to focus on what's important while ignoring distractions can enhance the brain's information processing. The research suggests that this type of training can lead to improved learning and memory, particularly in novel tasks. By analyzing neural activity in the hippocampus durin...

Immune system early responder can combat COVID-19

A new Yale School of Medicine study reveals that a simple RNA molecule called SLR14 can trigger the production of interferons, key proteins in the body's innate response to infection. The compound has shown promise in mice with chronic cases of COVID-19 and may provide important benefits for immunocompromised individuals.

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.

COVID-19 lockdowns deepened struggle for work-family balance

A new study by McGill University researchers found that COVID-19 lockdowns disproportionately affected graduate students' mental health, particularly among women. Women reported more stress related to remote teaching and caregiving responsibilities, leading to increased depressive symptoms.

Apple iPhone 17 Pro

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

Fluke 87V Industrial Digital Multimeter

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

The future of face masks

Scientists are developing new types of face masks that can kill viruses, be reused and be eco-friendly. Researchers have also found that improper mask usage can sometimes be worse than no mask at all.

An anti-inflammatory diet may be your best bet for cognitive health

A new study found that people who consumed an anti-inflammatory diet rich in fruits, vegetables, beans, and tea or coffee had a lower risk of developing dementia. The research showed that each one-point increase in dietary inflammatory score was associated with a 21% increase in dementia risk.

Research Snapshot: New target identified for rapid antidepressant drugs

Researchers at Vanderbilt University have identified a new target for rapid antidepressant drugs using ketamine's role in synaptic effects. This breakthrough could lead to new treatments for approximately half of patients whose current antidepressants are ineffective, significantly reducing the risk of suicide.

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.

Greater muscle mass may increase risk of hot flashes

A new study found that hot flashes are less common in women with sarcopenia, and are positively associated with paraspinal muscle mass. The research highlights the need for further studies to understand the relationships between menopause symptoms, body composition, and aging.

AI can tell if you a therapy session will be effective

A new AI tool has been developed to evaluate cognitive behavioral therapy sessions with high accuracy, improving therapist skills and patient outcomes. The tool analyzed over 1,100 real conversations between therapists-in-training and patients, matching human evaluators' assessments with 73% accuracy.

Catching the fog as it rolls in

Researchers develop efficient fog filter design using structured nylon nets to capture fog droplets, offering alternative source of fresh water in drought-stricken regions. The design is inspired by the unique abilities of Namib desert beetles and textile-based face masks.

Giant hornet attacks cause honeybee alarm buzz in hives

A new study reveals that Asian honeybees use distinct signals to alert nestmates of giant hornet attacks, employing a sophisticated communication system. The research found that these signals are designed to get the attention of colony members and convey a sense of urgency.

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.

Preventing data leak with dual-band metahologram

Researchers at Pohang University of Science & Technology developed an anticounterfeit technology that stores information in two separate domains: visible light and infrared light. This technology enhances security by using a new material called metasurface, allowing for dual protection with one security card.

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.

That new EV battery will be a headache to recycle. These solutions can help.

Researchers found that a battery's chemistry can affect its environmental impact, with cobalt being a common material that requires more energy to mine and has negative effects on the environment. Replacing cobalt with nickel can alleviate concerns, but there are tradeoffs involved. The study suggests that reusing batteries before recy...

Can't find your keys? You need a chickadee brain

Scientists have identified a genetic component underlying the spatial memories of Mountain Chickadees, which rely on these abilities to survive harsh winters. The study used genetic sequencing and behavioral tests to show that natural selection is shaping chickadee memory.

Mangrove restoration has ecological and economic benefits

A global meta-analysis supports the U.N.'s goal of restoring habitats, finding mangrove restoration performs better than unvegetated mud, sand flats or abandoned aquaculture ponds. Restored mangroves yield significant ecological benefits and economic value, making them an ecologically and economically sound choice.

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.

November/December 2021 Annals of Family Medicine tip sheet

The article highlights the importance of recovering routine vaccination rates after the COVID-19 pandemic. Vaccinations for MMR, DTaP, polio, and HPV have seen significant drops, posing dire consequences to population health. Experts emphasize the need for stakeholders to drive awareness, facilitate access, and build vaccine confidence.

Common household noises may be stressing your dog

Researchers found that high-frequency, intermittent noises trigger more anxiety in dogs than low-frequency, continuous noise. Dog owners often underestimate their pets' fearfulness and respond with amusement rather than concern.

Most children with cancer have mild COVID-19 and make full recovery

A new study published in the European Journal of Cancer found that most children with cancer have mild COVID-19 disease and make a full recovery. However, patients with underlying health conditions, severe infections, and low white blood cell counts were significantly more likely to experience severe disease. The research involved 131 ...

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.

Cellular aging: a basic paradox elucidated

A research team at the University of Montreal Hospital Research Centre has found that cellular aging is caused by irreversible damage to the genome, not just telomere erosion. This discovery challenges the long-held scientific model and opens up new research opportunities for preventing cellular aging and genomic instability.

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.

Climatic drivers of honey bee disease revealed

A new study has found that increasing temperatures and heavy rainfall reduce the prevalence of Varroa mite disease in UK honey bee colonies, while heavy wind reduces its severity. Climate change is predicted to impact the risk of European foulbrood disease, with a hot spot identified in the South West England.

A potential role for ibuprofen in older adults’ immunity to RSV

Researchers found that geriatric cotton rats given ibuprofen cleared RSV more quickly than those without the drug. Ibuprofen improved immune response by lowering aging-related inflammation, suggesting a potential role for the drug in providing lasting immunity against RSV.

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.

Gold nanoparticle melting: a data driven simulation

Researchers used machine learning to simulate and analyze gold nanoparticles at high temperatures, providing a key mechanistic picture of the melting mechanism. The study enables fast prediction of forces acting on atoms in nanoparticles, accelerating simulations that would take thousands of years with traditional methods.

Brain connections have their own tempo

Researchers discovered that neurons forming connections between brain areas share similar genetic programs, but unfold at varying speeds. This tempo-dependent development enables the creation of diversity in neurons without requiring major genetic differences.

Size matters for bee ‘superorganism’ colonies

Research suggests that larger bee colonies with comfortable food stores are less willing to take risks, while smaller colonies with limited resources are more likely to ignore warning signals. This study provides insights into the complex communication system of bees and its implications for understanding biological collectives.

Diagnosis of Alzheimer’s and related dementias reduces social activity

A recent Rutgers University study found that receiving a new diagnosis of Alzheimer's disease and related dementias leads to decreased formal and informal social engagement. This can be particularly concerning for disadvantaged populations with limited resources. The study highlights the need for practitioners and policymakers to consi...

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.

Supercomputers joined the fight against antibiotic resistance

Scientists used computational strategies to evaluate antibiotic candidates, identifying a promising new variant that is up to 56 times more active than existing antibiotics. This approach enables faster and more affordable development of new antibiotics, helping to combat resistance.