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Science News Archive February 2021


Page 11 of 45

CHOP experts describe types of rashes associated with MIS-C

Researchers at Children's Hospital of Philadelphia analyzed seven patients with MIS-C-associated rashes and found several common types, including small-to-medium annular plaques on the chest and back, and purpura in the center. The study aims to help doctors and parents identify suspicious rashes and seek further examination.

Plant responses to climate are lagged

A study by German Centre for Integrative Biodiversity Research (iDiv) found that plant species often respond to climate drivers months or even years later than previously assumed. The research analyzed 76 studies on 104 plant species and discovered that climate conditions during dormant seasons can have significant effects on plants.

Apple iPhone 17 Pro

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

How a gene called HAND2 may impact the timing of labor

A study found that the HAND2 gene becomes less active in humans as labor nears, suggesting it may play a role in regulating gestation length. The gene evolved to be turned on in uterine linings of placental mammals during pregnancy.

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.

Life from Earth could temporarily survive on Mars

Researchers at NASA and German Aerospace Center sent microbes to Earth's stratosphere, replicating Martian conditions, to test their endurance. The study found that some microorganisms, such as spores from the black mold fungus, could survive high UV radiation and desiccation during space travel.

Scientists model a peculiar type of breast cancer

Researchers at EPFL successfully modeled ILC using a xenograft approach that simulates the tumor with high accuracy. The model reveals unique characteristics of ILC biology, including LOXL1's role in tumor progression.

Rate-induced tipping point for overturning circulation

A study predicts that increasing ice melt could lead to abrupt changes in the Atlantic Meridional Overturning Circulation (AMOC), potentially collapsing it even if freshwater influx remains below a critical threshold. The system's chaotic dynamics make predicting tipping points challenging.

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.

Female heart disease patients with female physicians fare better

A systematic review found that female patients treated by female physicians experience better outcomes, while those treated by male physicians face higher mortality rates. The study suggests that increasing gender diversity in the physician workforce and improving training on patient-centered communication can help combat disparities.

Fibre-integrated, high-repetition-rate water window soft X-ray source

Scientists have developed a laser-driven soft X-ray source using an antiresonant gas-filled hollow core fibre, achieving a record-breaking 100 kHz-class repetition rate. This breakthrough technology offers a compact, high-flux SXR source suitable for various applications in fundamental and applied sciences.

Study: Effects of past ice ages more widespread than previously thought

A recent study led by University of Arkansas geologist Jill A. Marshall found that cold temperatures during North America's last ice age shaped landscapes well beyond the reach of glaciers, affecting areas from Oregon to Georgia and as far south as Texas and Arkansas. The research suggests past cold climates have had a significant impa...

Antibiotic tolerance study paves way for new treatments

A recent study reveals how bacteria develop tolerance to beta-lactam antibiotics, leading to persistent infections. The researchers identified a system that mitigates iron toxicity in tolerant bacteria, opening the door for new therapies that exploit oxidative damage and iron influx.

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.

Air pollution puts children at higher risk of disease in adulthood

A new Stanford-led study investigates air pollution's effects at the single cell level and its impact on cardiovascular and immune systems in children. The analysis reveals that brief exposure to fine particulate matter can alter gene regulation, potentially leading to increased risk of disease later in life.

How outdoor pollution affects indoor air quality

Research finds elevated air pollution events, like wildfire smoke and inversions, impact indoor spaces. Indoor air quality is up to 30% of outdoor levels during inversions, while wildfires can increase pollution by 78%.

Depressed and out of work? Therapy may help you find a job

Research suggests that cognitive behavioral therapy (CBT) can help unemployed individuals find a new job or transition to full-time work within 16 weeks. The treatment also improves productivity and reduces negative beliefs associated with depression.

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.

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.

Stem cells provide hope for dwindling wildlife populations

Researchers at San Diego Zoo Global have successfully generated induced pluripotent stem cells from frozen fibroblast cell lines of northern and southern white rhinoceroses. This groundbreaking achievement marks the first step towards potentially bringing back this critically endangered species through gamete creation.

Researchers create 'beautiful marriage' of quantum enemies

Scientists at Cornell University have successfully created a material structure that simultaneously exhibits superconductivity and the quantum Hall effect. This breakthrough could enable the development of more efficient electronics, such as data centers cooled to extremely low temperatures.

New technique reveals switches in RNA

Scientists have developed a method to visualize and quantify alternative structures of RNA molecules, identifying a conserved structural switch in the SARS-CoV-2 virus. This technique has implications for understanding viral replication and potential targets for antiviral therapy.

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.

Artificial pancreas system upgraded with AI algorithm

A new AI algorithm enabled a fully automated artificial pancreas system to achieve improved glucose control without manual input of meal or exercise information. This breakthrough could lead to more efficient and hassle-free diabetes management.

Silver and gold nanowires open the way to better electrochromic devices

Researchers from INRS have developed a new approach for foldable and solid electrochromic devices using silver nanowires coated with compact gold shells. The device demonstrates high stability and flexibility in harsh environments, overcoming the limitations of traditional indium tin oxide-based devices.

UH receives $5 million to combat HIV/AIDS epidemic

The University of Houston Graduate College of Social Work research center has received $5 million in funding from Gilead Sciences, Inc. to continue its work combating the HIV/AIDS epidemic in the South. Led by Assistant Professor Samira Ali, the SUSTAIN Center focuses on improving frontline care and access for marginalized communities.

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.

Small fires, burned area, and carbon emissions in Africa

Researchers used medium-resolution satellite images to generate a burned area dataset for sub-Saharan Africa, resulting in significantly higher estimates of burned areas compared to coarse-resolution images. The study estimated fire carbon emissions at 1.44 PgC, substantially surpassing previous estimates.

Tinnitus: A tingling mystery to be decrypted

Tinnitus is a common hearing disorder affecting 7-8% of the population, causing irritability, depression, and even suicidal thoughts. Researchers review its pathophysiology, health impacts, and innovative engineering approaches to suppress its effects.

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.

X-factor to help antibiotics regain their spark

A University of Queensland-led project combines old antibiotics with a new compound to revive their effectiveness against drug-resistant bacteria. The goal is to combat the growing threat of superbugs, particularly in low- and middle-income countries.

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.

Toddler sleep patterns matter

A recent study published in the Annals of Behavioral Medicine suggests that inconsistent sleep schedules in toddlers are associated with higher body mass index (BMI) percentiles. Researchers found that children from households living at or below poverty levels had more inconsistent sleep onset times, leading to higher BMI percentages.

What is COVID-19's impact on Black and Latino persons living with HIV?

A new study examines the effects of COVID-19 on low-income Black and Latino individuals with HIV, revealing successful indigenous coping strategies and gaps in healthcare access. Despite initial disruptions to care, overall engagement in HIV treatment remained relatively stable, highlighting the need for improved telehealth services an...

Polymer film protects from electromagnetic radiation, signal interference

Engineers at the University of California, Riverside developed a flexible film that combines excellent electromagnetic shielding with ease of manufacture, promising for high-frequency communication technologies. The film, made from a polymer matrix filled with bundles of quasi-one-dimensional van der Waals materials, demonstrates excep...

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.

Advanced imaging technology captures translation of the maternal genome

An international collaboration has captured ribosomes translating messenger RNA from the maternally inherited mitochondrial genome, revealing a novel gating mechanism that prevents premature protein misfolding. This breakthrough uses cryo-electron microscopy to investigate protein folding processes at unprecedented resolution.

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.

State legislation related to abortion services

A recent survey study examined changes in abortion policies among US states from 2017 to 2020. The findings showed that state laws on abortion services have become increasingly complex, with some states expanding access to abortion and others imposing strict restrictions.

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.

High fructose diets could cause immune system damage

A new study published in Nature Communications found that high fructose diets can cause the immune system to become inflamed, leading to damage and increasing the risk of disease. The research also suggests a link between fructose consumption and obesity, type 2 diabetes, and non-alcoholic fatty liver disease.