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Science News Archive February 2021


Page 29 of 45

Can strep throat make tics worse in kids?

A study published in Neurology found that strep throat exposure was associated with an increase of about 20% in ADHD symptoms of hyperactivity and impulsiveness in children with chronic tic disorders. However, researchers did not find a link between strep exposure and worsening tics or symptoms of OCD.

How research on chronic illnesses will improve COVID-19 treatment

Long-COVID symptoms persist for over 12 weeks in many patients, causing health problems like cough, fatigue, and cognitive difficulties. Researchers explore potential pathways and propose strategies to manage symptoms using insights from studies of chronic fatigue syndrome, fibromyalgia, and depression.

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.

Age shall not weary them when it comes to discus and javelin

A new study reveals that athletes in track and field events like discus and javelin throwing, as well as marathon running, tend to achieve their best performances at a later age. This is attributed to the specific muscle fibres and techniques required for these sports, which allow for longer careers.

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.

A novel approach to determine how carcinogenic bacteria find their targets

A new method was developed to investigate how Helicobacter pylori locates its target in the stomach. The technique successfully reported the probability of clockwise rotation in H. pylori and showed similarities with E. coli's flagellar control mechanism. This could lead to better understanding of chemotaxis and potential dietary inter...

Why Black men's prostate cancer may be more responsive to immunotherapy

A new study discovered that Black men's tumors have a higher proportion of plasma cells, which correlates with improved cancer survival after surgery. This finding suggests that plasma cells may be key drivers of prostate cancer immune-responsiveness and could lead to personalized treatment options for men of all races.

New wearable device turns the body into a battery

Researchers at the University of Colorado Boulder developed a low-cost wearable device that turns the human body into a biological battery. The device generates electricity by converting body heat into thermoelectric energy, making it a potential power source for wearable electronics.

Apple iPhone 17 Pro

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

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.

'Handy pen' lights up when exposed to nerve gas or spoiled food vapors

Researchers have developed a pen-like sensor that changes color in response to harmful gases, offering a potential solution for detecting toxic vapors. The device can identify nerve agents and volatile amine vapors, with applications in food safety, environmental monitoring, and public safety.

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.

Lung ultrasound helps predict COVID-19 patient outcomes

Researchers found that higher lung ultrasound scores correlated with increased risk of ICU admission, intubation, and death in severe COVID-19 patients. The study used a scoring protocol covering 12 lung regions to predict patient outcomes.

Anti-cancer drug's mode of operation deciphered

Immunologists at the University of Freiburg have solved a mystery about how Rituximab, an anti-cancer drug, targets B tumor cells. The researchers found that CD20 organizes nanostructures on the B cell membrane, and its absence or binding to Rituximab activates resting B cells.

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.

New weapon against resistant bacteria

Researchers at the University of Southern Denmark have developed a new effective antibiotic to combat resistant bacteria, which are becoming increasingly difficult to treat. The substance, from the pleuromutilin class, fights multiple types of resistant bacteria via a unique mechanism of action.

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.

Infant and toddler food product names may not accurately reflect ingredient amounts

Researchers found that vegetables in U.S. Department of Agriculture's 'dark green' category were often included in product names, but their average order in the ingredient list was close to fourth. Fruits, particularly juice and juice concentrates, were less likely to appear in product names despite being more prominent in the ingredie...

A recipe for regenerating bioengineered hair

Scientists at RIKEN Center for Biosystems Dynamics Research have identified a population of hair follicle stem cells and developed a recipe for normal cyclical regeneration. In the study, 81% of bioengineered hair follicles generated in NFFSE medium went through at least three hair cycles and produced normal hair.

How the 3-D structure of eye-lens proteins is formed

Scientists observed disulphide bridge formation in ribosomal exit tunnel during protein synthesis, challenging previous assumptions. The discovery sheds new light on the causes of lens opacities and cataracts, a leading cause of vision loss worldwide.

Long-term stress linked to increased risk of heart attack

A new study by researchers from Linköping University suggests that long-term stress is a risk factor for heart attacks. Cortisol levels in hair samples were found to be statistically significantly higher in individuals who suffered a heart attack, even after adjusting for other cardiovascular risk factors.

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.

Celestron NexStar 8SE Computerized Telescope

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

Researchers broaden tracking of COVID-19 through wastewater

A University of Miami-led team is expanding its pilot program to detect SARS-CoV-2 in wastewater, allowing for early warning systems and potential prevention of transmission. The two-year grant will also enable the team to collect and standardize data from institutions across the US, creating models to predict COVID-19 outbreaks.

Physicists finesse the storing of light to create rainbows of colour

Physicists at the University of Bath have developed a way to use resonance to store light energy more effectively in microresonators. This leads to the creation of rainbow-like structures called frequency combs, which can be used for precise measurements and applications such as pollution monitoring and radar technology

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Astronomical discovery earns 2020 AAAS Newcomb Cleveland Prize

Researchers successfully localized a non-repeating fast radio burst (FRB) using a novel processing system and supercomputer. The breakthrough identified the source location as a galaxy about 3.6 billion light-years away, providing valuable insights into FRBs and their possible causes.

Embry-Riddle alumna helps unravel key mysteries of rare stars

Researchers have mapped the orbit of a rare Nitrogen-rich Wolf-Rayet star in the WR 133 binary system, marking the first-ever visually observed orbit of this type. The team determined the dynamical mass of both stars, with the WN star having 9.3 times more mass than our Sun.

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.

Porous materials unfavorable for coronavirus survival

Researchers found porous surfaces accelerate evaporation, reducing virus survival time to three hours on paper and two days on cloth. This suggests that covering impermeable surfaces with porous materials can help prevent infection transmission.

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.

Combination therapy with radiation shows promise in treating glioblastoma

Researchers at UCLA Jonsson Comprehensive Cancer Center identified a new approach combining an anti-psychotic drug, a statin and radiation to improve overall survival in mice with glioblastoma. The triple combination extended median survival 4-fold compared to radiation alone, providing hope for improved treatment options.

Shining a light on the true value of solar power

Researchers found that grid-tied solar photovoltaic (PV) owners are undercompensated in most of the U.S., as the value of solar eclipses net metering and two-tiered rates. This study provides a generalized model to evaluate the economics of grid-tied PV systems, showing substantial future regulatory reform is needed.

Why does love of bargain hunting run in families?

A new study found that 70% of variability in deal proneness is associated with genetic factors, highlighting the existence of a heritable component. The research compared identical and fraternal twins, revealing stronger similarities in deal-proneness among identical twins.

Unusual DNA folding increases the rates of mutations

Research reveals that regions of the human genome with unusual DNA folding tend to have higher mutation rates than others. The study found that non-B DNA sequences, which can fold into different conformations, play a major role in determining regional variation in mutation rates across the genome.

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.

AD diagnostics could become more accessible

Metal-containing diagnostic agents can detect early AD markers and synchrotron-independent, long-lived. They may improve access to AD imaging for risk groups, offering a solution to the current limitations of PET, MRI, and SPECT imaging.

Notes of discomfort: Study keys in on trends in marching band members' pain

A new study by Oregon State University suggests that marching band members in leadership roles experience more neck and upper back discomfort, while less experienced bandmates are more prone to left-hand pain and cognitive strain. The findings also show that gender has no impact on discomfort levels or perception of workload.

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.