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Science News Archive January 2021 - Page 17


Page 17 of 40

New starfish-like fossil reveals evolution in action

Researchers from the University of Cambridge have discovered a fossil of the earliest starfish-like animal, Cantabrigiaster fezouataensis, which has features in common with both sea lilies and modern-day starfish. The exceptionally preserved fossil is a missing link for scientists trying to piece together its early evolutionary history.

SourceUniversity of Cambridge·JournalBiology Letters·DateJan 20, 2021
Fluke 87V Industrial Digital Multimeter

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

On the trail of active ingredients from marine yeasts

Researchers from GEOMAR and Kiel University discovered a deep-sea red yeast with anticancer and antibacterial effects, producing glycolipids with potential applications in medicine and biotechnology. The study found synergistic effects of certain compounds, opening doors to new pharmaceutical development and biotechnological applications.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalMarine Drugs·DateJan 20, 2021

Scientists discover link between nicotine and breast cancer metastasis

Scientists have discovered a link between nicotine and the spread of breast cancer cells into the lungs, which can lower survival rates by 33%. Nicotine exposure creates an environment ripe for metastatic growth, attracting immune cells that promote tumor growth.

SourceAtrium Health Wake Forest Baptist·JournalNature Communications·DateJan 20, 2021
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.

Lasers create miniature robots from bubbles (video)

Researchers have used lasers to create bubble microrobots that can form inseparable shapes and control their movement. The robots can manipulate small pieces into interconnected structures with unbreakable connections.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateJan 20, 2021

An anode-free zinc battery that could someday store renewable energy

Researchers have developed a prototype of an anode-free zinc-based battery that uses low-cost, naturally abundant materials. The battery shows high efficiency, energy density and stability, opening new directions for using aqueous zinc-based batteries in energy storage systems.

SourceAmerican Chemical Society·JournalNano Letters·DateJan 20, 2021

How fellow students improve your own grades

A study by University of Zurich's Faculty of Business, Economics and Informatics found that fellow students' personalities, particularly persistence, influence academic performance. Persistent peer groups improve academic achievement, which carries over to subsequent courses.

SourceUniversity of Zurich·JournalJournal of Political Economy·DateJan 20, 2021

Do antidepressants help chronic back pain and osteoarthritis?

Researchers found that antidepressants were either ineffective or provided a small effect on chronic back pain, with effects being even smaller for osteoarthritis. The study suggests antidepressants may not be the best treatment option for these conditions and could even cause adverse events.

SourceUniversity of Sydney·JournalThe BMJ·DateJan 20, 2021

Butterfly wing clap explains mystery of flight

Researchers at Lund University discovered that butterfly wings exhibit aerodynamic efficiency through a unique wingbeat mechanism. The 'wing clap' creates a backward jet that propels the butterflies forward, while also allowing them to stay aloft.

SourceLund University·JournalJournal of The Royal Society Interface·DateJan 20, 2021
Apple iPhone 17 Pro

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

Sunbathing after menopause may be harmful

A recent study published in Maturitas found that UV-radiation can affect the levels of oestrogens and gonadotropins in postmenopausal women, increasing the risk of osteoporosis, cardiac diseases, and neurodegenerative diseases. Researchers recommend carefully monitoring sun exposure to prevent harm.

SourceThe University of Bergen·JournalMaturitas·DateJan 20, 2021

European eels - one gene pool fits all

A study from Uppsala University reveals that all European eels share the same gene pool, regardless of their location. The team used whole-genome analysis to compare DNA sequences from eels across Europe and North Africa, finding no significant differences in gene variants.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateJan 20, 2021

Describing the worldviews of the new 'tech elite'

A study published in PLOS ONE finds that the tech elite hold a unique set of views, prioritizing meritocracy and progress over traditional notions of democracy. Their philanthropic statements often emphasize education, work, and social impact.

SourcePLOS·JournalPLOS ONE·DateJan 20, 2021

CAREER awardee investigates quantum's 'sweet spot'

Boulat Bash demonstrates how quantum methods can substantially increase reliable information sending over covert channels. By applying quantum resources to sensing, he identifies the 'sweet spot' where high noise and low power levels are beneficial for covert operations.

SourceUniversity of Arizona College of Engineering·DateJan 20, 2021
Celestron NexStar 8SE Computerized Telescope

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

CRISPR technology to cure sickle cell disease at UIC

Researchers have successfully treated two patients with beta thalassemia and sickle cell disease using CRISPR-Cas9 gene editing, a promising treatment for these severe red blood congenital diseases. The new approach uses the patient's own cells and eliminates the risk of rejection or graft-versus-host disease.

SourceUniversity of Illinois Chicago·JournalNew England Journal of Medicine·DateJan 20, 2021

Spontaneous cell fusions amplify genetic diversity within tumors, Moffitt researchers say

Researchers at Moffitt Cancer Center discovered that cancer cells can fuse and recombine their genetic material, leading to increased diversity and adaptability. This mechanism, similar to parasexual recombination in pathogenic microbes, enables cancer cells to rapidly evolve and acquire resistance to treatments.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalNature Ecology & Evolution·DateJan 20, 2021

Stanford study reveals immune driver of brain aging

A Stanford study reveals that chronic inflammation driven by myeloid cells is the main driver of brain aging. The researchers found that blocking a specific hormone-receptor interaction in these cells can restore youthful metabolism and calm down inflammation, potentially reversing age-related cognitive decline.

SourceStanford Medicine·JournalNature·DateJan 20, 2021
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.

Saturn's tilt caused by its moons

Recent research by CNRS scientists suggests Saturn's current tilt is due to the migration of its largest moon Titan and other satellites, causing it to interact with Neptune's orbit, leading to gradual tilting. The planet's axis could more than double in inclination over the next few billion years.

SourceCNRS·JournalNature Astronomy·DateJan 20, 2021

The Lancet Public Health: Modelling study estimates impact of 'test to release' strategy to reduce - or replace - quarantine for contacts of COVID-19 cases

A UK modelling study suggests that completing the WHO-recommended 14-day quarantine period after COVID-19 exposure can prevent 59% of SARS-CoV-2 transmission. Testing people on the seventh day of quarantine with a PCR or lateral flow antigen test may reduce quarantine time to 7 days without raising transmission risk.

SourceThe Lancet·JournalThe Lancet Public Health·DateJan 20, 2021

Treating moms with postpartum depression helps their babies' brains

New research from McMaster University found that treating mothers with postpartum depression with cognitive behavioural therapy (CBT) results in healthy changes in the brains of their babies. The study also showed that these changes lead to improved infant behavior and reduced risk of emotional problems later in life.

SourceMcMaster University·JournalDepression and Anxiety·DateJan 20, 2021
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.

Type 2 Diabetes: New Evidence Underlines the Role of Obesity in Late Complications

A large observational study published in Diabetologia found that obesity is associated with a higher risk of microvascular complications in people with type 2 diabetes. The study suggests that maintaining a healthy body mass index (BMI) before and after a diabetes diagnosis can help prevent these complications. Furthermore, the researc...

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalDiabetologia·DateJan 20, 2021

New antifungal compound from ant farms

Researchers have identified a potent antifungal agent, attinimicin, produced by nearly two-thirds of Pseudonocardia strains in Brazilian ants. This compound has broad geographic distribution and shows promise as a potential drug candidate for fighting fungal infections.

SourceAmerican Chemical Society·JournalACS Central Science·DateJan 20, 2021

"Smiling eyes" may not signify true happiness after all

A Carnegie Mellon University study suggests that Duchenne smiles may not be a reliable indicator of true happiness. Researchers found that smiling eye smiles were more closely related to smile intensity than emotional state, highlighting the need for more nuanced understanding of human emotions and facial expressions.

SourceCarnegie Mellon University·JournalAffective Science·DateJan 20, 2021
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.

Making microwaves safer for children

A 15-year research campaign led by Rush pediatricians resulted in new national manufacturing standards making microwaves more difficult for young children to open. The change aims to protect kids from severe microwave-related burns that scar hundreds of children under 5 each year.

SourceRush University Medical Center·JournalPEDIATRICS·DateJan 20, 2021
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 sodium oxide paves the way for advanced sodium-ion batteries

Researchers at Skoltech have discovered a mixed oxide Na(Li1/3Mn2/3)O2 that shows promise as a cathode material for sodium-ion batteries. The compound exhibits high energy density, no voltage fade over multiple charge cycles, and moisture stability.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalNature Materials·DateJan 20, 2021

Incentivizing vaccine adherence: could it be the key to achieving herd immunity?

A new Commentary in Preventive Medicine suggests financial incentives could promote high levels of COVID-19 vaccine adherence, crucial for achieving herd immunity. Strong evidence from controlled trials supports the efficacy of incentivizing vaccine adherence, including a 7-fold increase in adherence with modest financial incentives.

SourceLarner College of Medicine at the University of Vermont·JournalPreventive Medicine·DateJan 20, 2021

New metamaterial offers reprogrammable properties

Researchers have developed a new metamaterial that can be reprogrammed after creation, offering potential for dynamic materials with adaptive stiffness and strength. This breakthrough has far-reaching implications for industries ranging from healthcare to aerospace.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·DateJan 20, 2021

OHIO researchers ID potential target for anti-viral drugs to battle COVID

OHIO researchers have identified a potential target for anti-viral drugs to battle COVID-19 by disrupting the viral RNA's ability to reproduce. The team found that a specific section of the RNA, called stem-loop II motif, is highly conserved and essential for the virus's replication.

SourceOhio University·JournalBiochemical and Biophysical Research Communications·DateJan 20, 2021
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.

This Great Lakes fish may have evolved to see like its ocean ancestors did

New research on a Great Lakes fish species, kiyis, found that they have regained a genetic trait allowing them to see in dim blue-shifted waters, similar to their ancient ocean-dwelling ancestors. This adaptation is likely helping the fish thrive in the deeper regions of Lake Superior.

SourceUniversity at Buffalo·JournalGenome Biology and Evolution·DateJan 20, 2021

How lockdown has changed life for Russian women

Russian women's lifestyles transformed during the pandemic due to reduced social interactions. Despite initial negative expectations, some found benefits in remote work and increased leisure time.

SourceNational Research University Higher School of Economics·JournalWoman in Russian society·DateJan 20, 2021

World's largest lakes reveal climate change trends

Scientists at Michigan Tech Research Institute studied 11 large freshwater lakes, revealing significant changes in primary productivity and carbon fixation rates over the past 16 years. Climate change, increasing nutrients, and invasive species contribute to these changes.

SourceMichigan Technological University·JournalWater·DateJan 20, 2021
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.

Deep sleep takes out the trash

A Northwestern University study finds that deep sleep has an ancient power to clear waste from the brain, including toxic proteins that may lead to neurodegenerative disease. This waste clearance process is substantially enhanced during deep sleep.

SourceNorthwestern University·JournalScience Advances·DateJan 20, 2021

Indigenous lands: A haven for wildlife

A comprehensive analysis of land mammal composition across mapped Indigenous lands reveals that 2,175 mammal species have at least 10% of their ranges within these lands. The study highlights the importance of Indigenous peoples' lands for biodiversity and ecosystem services, with 413 threatened species occurring in these areas.

SourceUniversity of Queensland·JournalConservation Biology·DateJan 20, 2021

NUST MISIS scientists develop fastest-ever quantum random number generator

The research team developed a fast and affordable quantum random number generator, beating all previous records with a speed of 8.05 gigabits per second. This device has promising potential for commercial applications in cryptography and complex systems modeling.

SourceNational University of Science and Technology MISIS·JournalPhysical Review X·DateJan 20, 2021

Cartilage matrix as natural biomaterial for cartilage regeneration

A new biomaterial, CartiScaff, has been developed using the natural cartilage matrix to support cell growth and regeneration. This innovative material shows promise in improving cartilage repair and potentially expanding treatment options for joint injuries.

SourceMedical University of Vienna·JournalEBioMedicine·DateJan 20, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Stealing the spotlight in the field and kitchen

Researchers have developed five new bean varieties that combine the best of both worlds for farmers and consumers. These heirloom-type beans are now more resistant to disease, yield 50% more than traditional types, and offer high culinary quality.

SourceAmerican Society of Agronomy·JournalJournal of Plant Registrations·DateJan 20, 2021

Merging technologies with color to avoid design failures

A team of Penn State researchers used machine learning algorithms to improve the efficiency of design evaluations for porous materials. By leveraging image colorization techniques, they reduced computational load while maintaining accuracy. The findings provide a framework for designers to create more structurally responsible parts wit...

SourcePenn State·DateJan 20, 2021

Target of new cancer treatment valid for breast as well as blood cancers: study

A new drug targeting enzymes involved in myristoylation has shown promise in treating both breast and blood cancers. Researchers found that patients with specific enzyme NMT2 were more likely to die, and the drug slowed tumour growth by 90% in mice with human breast cancer.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalBreast Cancer Research and Treatment·DateJan 20, 2021
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.

Climate-related species extinction possibly mitigated by newly discovered effect

A new study led by Universität Bayreuth researchers found that future climate-related species extinction could be less severe than predictions based only on current global warming trends. The research team used palaeobiological and climate science models to investigate how long-term temperature trends and short-term changes affect spec...

SourceUniversität Bayreuth·JournalNature Ecology & Evolution·DateJan 20, 2021