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Science News Archive May 2021 - Page 42


Page 42 of 47

Your longevity after a heart attack may depend on where you live

A recent study published in the American College of Cardiology's annual scientific session found that black patients from disadvantaged neighborhoods are more likely to die after a heart attack. The study analyzed data from nearly 32,000 patients with health insurance treated for a heart attack between 2006-2016.

SourceAmerican College of Cardiology·DateMay 5, 2021

New method identifies tau aggregates occurring in healthy body structures

Researchers developed a method to visualize small tau protein aggregates forming under normal physiology, distinguishing them from pathological aggregates. The new approach uses high-resolution microscopy and machine learning to identify healthy tau aggregates, offering potential for new treatments for neurological diseases.

SourceUniversity of Pennsylvania School of Medicine·JournalProceedings of the National Academy of Sciences·DateMay 5, 2021

Only half of heart disease patients get a flu shot

A new study finds that only half of adults with cardiovascular disease report getting a flu shot annually, highlighting the need for better vaccination efforts. Patients with certain conditions and those who attend college are more likely to receive a flu vaccine.

SourceAmerican College of Cardiology·DateMay 5, 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.

Want to treat heart attacks faster? There's an app for that

A new phone-based app facilitated more efficient hospital intakes for patients with STEMI, leading to faster treatment times and reduced damage. The average time between EMS arrival and PCI was about 11 minutes shorter among cases where the app was used.

SourceAmerican College of Cardiology·DateMay 5, 2021

Is PTSD overdiagnosed?

Experts argue that PTSD is often conflated with normal responses to stress, leading to increased pressure on services. However, another study suggests that PTSD may be underdiagnosed, with only a small proportion of those seeking help receiving a diagnosis.

SourceBMJ Group·JournalThe BMJ·DateMay 5, 2021

Tübingen study raises hope for effective malaria vaccine

A live vaccine consisting of infectious Plasmodium falciparum parasites has been shown to be highly effective in preventing malaria, with only three immunizations required. The vaccine induces a strong immune response that can recognize both the injected parasites and subsequent liver stage antigens.

SourceGerman Center for Infection Research·JournalNature Communications·DateMay 5, 2021
Apple iPhone 17 Pro

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

International study links brain thinning to psychosis

An international team found a link between subtle differences in adolescent brain shape and psychosis development, with those at high risk showing widespread lower cortical thickness. This discovery could contribute to earlier detection and treatment of psychosis.

SourceUniversity of Pittsburgh·JournalJAMA Psychiatry·DateMay 5, 2021

Microalgae biofuels: Changing carbohydrates into lipids

Researchers developed a technique to redirect carbon resources from carbohydrates to lipids in microalgae, enabling large-scale lipid production even under light/dark conditions. This method could contribute to the implementation of biofuel production using microalgae.

SourceKobe University·JournalCommunications Biology·DateMay 5, 2021

Antarctica remains the wild card for sea-level rise estimates through 2100

A collaborative research project published in Nature offers the most complete sea-level rise projections created to date, with Antarctica remaining a wild card. Limiting global warming to 1.5 degrees C above pre-industrial temperatures could cut projected 21st century sea-level rise from land ice in half.

SourceDOE/Los Alamos National Laboratory·JournalNature·DateMay 5, 2021

How a Yale scientist and REM star named an ant for a Warhol 'Superstar'

A Yale scientist, Douglas Booher, named an ant after R.E.M.'s Michael Stipe's friend Jeremy Ayers, a Warhol 'Superstar'. The ant was discovered in Ecuador and had unique features that set it apart from other species. Booher confirmed the discovery with German entomologist Phillip Hoenle and was joined by Stipe to name the new species.

SourceYale University·JournalZooKeys·DateMay 5, 2021
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 Monarch butterfly breeding pattern inspires hope

A recent study found large populations of monarchs breeding in San Francisco and Los Angeles, suggesting an adaptation to the changing climate. The researchers believe that this new breeding pattern may help the population persist in the western US, despite a decline in numbers.

SourceWashington State University·JournalAnimal Migration·DateMay 5, 2021
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.

Nanoscope presents novel gene delivery and electrophysiology platforms at ARVO

Nanoscope Technologies is featuring groundbreaking research on optical gene delivery and functional characterization platform technologies for treating retinal diseases. The company's lead product, vMCO-010, delivers light-sensitive Multi-Characteristics Opsin into retinal cells to restore vision in patients with degeneration.

SourceNanoscope Technologies·DateMay 5, 2021

High school student's study models droplet spread

A high school student's study models the spread of macroscopic droplets from a simulated cough with and without mask use. The findings suggest that barriers can play a crucial role in controlling droplet spread, especially when masks cannot be worn.

SourcePLOS·JournalPLOS ONE·DateMay 5, 2021

When algorithms go bad: How consumers respond

A new study finds that consumers penalize brands less when an algorithm causes a brand harm crisis, as perceived agency and responsibility for the error mediate their responses. Marketers should deploy and monitor algorithms with heightened vigilance and provide technological supervision to reduce negative consumer responses.

SourceAmerican Marketing Association·JournalJournal of Marketing·DateMay 5, 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.

Mysterious hydrogen-free supernova sheds light on stars' violent death throes

Astronomers have discovered a mysterious yellow star that exploded without the typical hydrogen layer, revealing new insights into the violent death throes of massive stars. The discovery challenges current understanding of stellar evolution and suggests that these stars may undergo catastrophic eruptions before exploding.

SourceRoyal Astronomical Society·JournalMonthly Notices of the Royal Astronomical Society·DateMay 5, 2021

A new pelomedusoid turtle from the Late Cretaceous of Madagascar discovered

A new species of pelomedusoid turtle, Sahonachelys mailakavava, is described from a nearly complete fossil in Madagascar. The turtle has an unusually flattened skull and enlarged tongue bones adapted for suction feeding, suggesting it fed on small-bodied prey like insect larvae and tadpoles.

SourceDenver Museum of Nature & Science·JournalRoyal Society Open Science·DateMay 5, 2021

Does eating a Mediterranean diet protect against memory loss and dementia?

A new study suggests that consuming a Mediterranean diet rich in fish, vegetables, and olive oil can help prevent protein build-up and brain shrinkage associated with Alzheimer's disease. The research found that individuals who followed the Mediterranean diet more closely had lower levels of amyloid and tau biomarkers and improved cogn...

SourceAmerican Academy of Neurology·JournalNeurology·DateMay 5, 2021

New, almost non-destructive archaeogenetic sampling method developed

A new, non-destructive archaeogenetic sampling method has been developed to extract genetic material from archaeological human remains without causing significant damage. This allows for the preservation of artefacts and enables further analysis through stable isotope and radiocarbon studies.

SourceEötvös Loránd University·JournalGenome Research·DateMay 5, 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.

New ultrasound technique detects fetal circulation problems in placenta

A new ultrasound technique has been developed to detect fetal circulation problems in the placenta, allowing for earlier diagnosis and potential prevention of harm to the fetus. The study found that 16 women out of 40 tested had placentas with fetal circulation problems.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalEBioMedicine·DateMay 5, 2021

Fast changing smells can teach mice about space

Researchers found that mice can detect rapid fluctuations in odour plumes and use this information to distinguish between sources. This suggests the mammalian olfactory system plays a key role in processing awareness of physical space and surroundings, guiding survival decisions.

SourceThe Francis Crick Institute·JournalNature·DateMay 5, 2021

A high-tech textile to stay comfortable outdoors

Researchers developed a reversible textile that traps warmth in cold temperatures and reflects it in hot weather, generating small amounts of electricity. The textile's ability to harness temperature gradients makes it suitable for various technologies, such as wearable electronics and camouflage.

SourceAmerican Chemical Society·JournalNano Letters·DateMay 5, 2021

From yeast to hypha: How Candida albicans makes the switch

Researchers discovered that the Sir2 protein facilitates Candida albicans' transition from yeast to hypha, which is essential for infection. The protein's removal resulted in fewer true hyphae being formed, and its function may impact the pathogen's virulence.

SourceUniversity at Buffalo·JournalmSphere·DateMay 5, 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.

New map reveals genes that control the skeleton

Researchers have mapped the genetic profile of osteocytes, a type of bone cell that controls skeleton growth and decay. The study identifies novel genes associated with rare and common skeletal diseases, paving the way for new treatments and improved diagnosis.

SourceGarvan Institute of Medical Research·JournalNature Communications·DateMay 5, 2021

Black and Latinx surgeons continue to hit glass ceiling in America

A recent study found that Black and Latinx surgeons are underrepresented in university leadership positions, with only a few individuals holding full professorships or department chairs. The study suggests that sponsorship, mentorship, allyship, and representation can help promote diversity and address these disparities.

SourceVirginia Commonwealth University·JournalJAMA Surgery·DateMay 5, 2021

New bonobo genome fine tunes great ape evolution studies

A new bonobo genome assembly has been created with high accuracy, allowing for precise comparisons to other great apes and humans. The study reveals over 5,500 structural variants that distinguish the bonobo and chimpanzee lineages, providing insights into gene evolution and species divergence.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNature·DateMay 5, 2021
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.

Now available with a negative charge too

Researchers have introduced a new anionic organoborane compound, borafluorene, which is a system of three carbon rings joined at the edges with a boron atom. The team used carbenes to stabilize the elusive anions and demonstrated their potential as chemical building blocks.

SourceWiley·JournalAngewandte Chemie International Edition·DateMay 5, 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.

Do bacteria in the mouth affect risk of developing rheumatoid arthritis?

Researchers discovered a possible link between oral microbes and rheumatoid arthritis, finding similar bacterial compositions in patients' mouths as those at risk of developing the disease. The study suggests that potentially pro-inflammatory bacteria, such as Prevotella and Veillonella, may play a role in the disease

SourceWiley·JournalArthritis & Rheumatology·DateMay 5, 2021

Low achieving students benefit most from COVID-19 online switch

A study by Flinders University found that online learning positively impacted overall student performance, especially for lower-achieving students during the COVID-19 pandemic. The best results were achieved with high-quality teachers preparing content for rural and city students, regardless of location.

SourceFlinders University·JournalChina Economic Review·DateMay 5, 2021

Expanded contraception access led to higher graduation rates for young women in Colorado

A study found that increased access to birth control in Colorado led to a 1.66 percentage-point increase in high school graduation among young women one year after the initiative was introduced. The research provides evidence for the U.S. Title X program's goal of ensuring low-income and uninsured residents can complete their education.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateMay 5, 2021
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.

More studies needed on mental health treatments during and after pregnancy

A recent analysis examined 164 studies on mental health treatments in pregnant and postpartum women, finding potential benefits of brexanolone and sertraline for depressive symptoms. Mood stabilizers may also reduce bipolar disorder recurrence, but more high-quality research is needed.

SourceWiley·JournalPsychiatric Research and Clinical Practice·DateMay 5, 2021

Coalitions and conflict among men

Men in Tsimené communities who are kin or exchange food and labor are more likely to provide coalitional support. Higher status men tend to reciprocate and deploy coalitional support strategically to build a diverse following.

SourceMax Planck Institute for Evolutionary Anthropology·JournalEvolutionary Human Sciences·DateMay 5, 2021

Greater access to birth control leads to higher graduation rates

A new study published in Science Advances found that increased access to birth control in Colorado led to a 14% decrease in the percentage of young women who left high school before graduating. The program, which expanded access to more forms of contraception, also showed improvements in graduation rates among Hispanic women.

SourceUniversity of Colorado at Boulder·JournalJournal of Mathematical Sciences Advances and Applications·DateMay 5, 2021
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.

Bees thrive where it's hot and dry: A unique biodiversity hotspot located in North America

A recent study found that more than 470 bee species inhabit a 16 km2 area of protected Chihuahuan Desert, representing 14% of the known United States bee fauna. This biodiversity hotspot provides valuable insights into native bee diversity and highlights the need for baseline information to assess human impact on bee faunas.

SourcePensoft Publishers·JournalJournal of Hymenoptera Research·DateMay 5, 2021

3D bioprinting technique controls cell orientation

A new 3D bioprinting technique uses multicompartmental bioprinting to direct cell orientation within deposited hydrogel fibers. The method provides favorable environments for cell proliferation and morphological cues to guide cell alignment.

SourceAmerican Institute of Physics·JournalApplied Physics Reviews·DateMay 5, 2021

Cardiovascular risk factors appear early in Black women

A study found that Black women as young as their 20s and 30s show high rates of lifestyle-linked risk factors, including obesity and elevated blood pressure. The researchers call for preventive care and lifestyle changes among Black women under age 40 to mitigate the burden of heart disease.

SourceAmerican College of Cardiology·DateMay 5, 2021

UNH research: More than one way for animals to survive climate change

Researchers found that different species use distinct genetic mechanisms to adapt to desert environments, offering a silver lining for species facing climate change. The study's findings have implications for developing gene therapies to treat human dehydration-related illnesses like kidney disease.

SourceUniversity of New Hampshire·JournalJournal of Heredity·DateMay 5, 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.

UIC researcher finds possible novel migraine therapy

Researchers found that decreased neuronal complexity may be a feature of chronic migraine and propose restoring this complexity as a treatment. HDAC6 inhibition restored cytoskeletal flexibility and relieved migraine-associated pain.

SourceUniversity of Illinois Chicago·DateMay 5, 2021

Countries denied access to medicines and vaccines they help develop

A Yale-led study found that new medicines and vaccines approved for use in the US are often not accessible in countries where they were developed, highlighting gaps in access to new medications. The study suggests that governments of host countries should require pharmaceutical companies to commit to submitting marketing approval appli...

SourceYale University·JournalJAMA Network Open·DateMay 5, 2021

SMART evaluates impact of competition between autonomous vehicles and public transit

A Singapore-based study found that competition between autonomous mobility services and public transit can lead to increased profits, system efficiency, and benefits for the public. However, it may also result in uneven social costs, such as higher travel costs or longer travel times, especially for vulnerable groups.

SourceSingapore-MIT Alliance for Research and Technology (SMART)·JournalTransportation Research·DateMay 5, 2021
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 guidelines for schools recommend against food bans

The guidelines recommend training staff on food allergies, having epinephrine available, and promoting handwashing to reduce the risk of reactions. Research has found little evidence that food bans work in reducing allergy-related bullying and anxiety.

SourceMcMaster University·JournalJournal of Allergy and Clinical Immunology·DateMay 5, 2021