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Science News Archive 2021


Page 162 of 510

Why do short-lived lung infections lead to long-lasting lung damage?

A study published in the Journal of Clinical Investigation found that infection triggers the expression of a protein called IL-33, leading to overgrowth of air spaces and increased mucus production. The researchers suggest that blocking this process could prevent chronic lung damage caused by viral infections.

Central European prehistory was highly dynamic

A new study identifies at least three migratory events that shaped central European prehistory, revealing a more dynamic period than previously thought. Genetic profiles show evidence of recent migrations and novel insights into social processes, such as the expansion of Corded Ware culture and the assimilation of women.

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.

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.

Stem cells and mathematical models: The future of medical research

Researchers at Masonic Medical Research Institute are using human induced pluripotent stem cells (hiPSCs) to create scientific models for studying cardiac arrhythmias and testing therapeutics. The integration of mathematical modeling tools enables the prediction of drug efficacy with minimal adverse effects.

Drugs legislation requires review, says academic

A leading criminologist argues that the UK's Misuse of Drugs Act is outdated and unfairly discriminates against certain populations. Research by independent charity Release shows racial disparities in drug-related arrests and possession, highlighting the need for reform.

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.

IVI and BBIL launch global Chikungunya vaccine Phase II/III trial in Costa Rica

The International Vaccine Institute (IVI) has initiated a Phase II/III clinical trial for the Bharat Biotech Chikungunya vaccine candidate BBV87, evaluating its safety and immunogenicity in healthy adults across five countries. The study aims to develop an affordable vaccine with the aim of achieving WHO prequalification.

Peptide-based biosensor for biochemical express-testing

Researchers from ETU LETI and Institute of Highly Pure Biopreparations proposed a new-generation biochip for multiparametric express-testing using molecular recognition and direct fluorimetry. The device selectively detects cardiac markers without fluorescent labels, reducing background fluorescence to 30%.

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.

Giant magnetic pulse rounds up spins far and wide

Researchers at Tata Institute of Fundamental Research used extreme magnetic pulses to create large-scale spin patterns, potentially useful for terahertz frequency range electronic devices. The induced spin patterns are robust and stay 'arrested' for up to ten days.

Unconventional order in a low-dimensional magnet

In a breakthrough study, scientists found an 'unconventional' incommensurate spin-density wave order at the q = 2kF fundamental wavevector in YbAlO3 under finite magnetic fields. This mechanism is similar to Fermi surface nesting observed in metals and leads to multiple coherent scattering of fermions.

Individualistic COVID-19 vaccine messages had best effect in US study

A US study published in Journal of Health Communication found that emphasizing individual health risks from COVID-19 leads to higher vaccine acceptance among participants. The researchers also discovered that loss framing was slightly more effective than positive gain framing, suggesting cultural and personal factors may play a role.

Weight gain isn’t inevitable when you start college

A new study from the University of Georgia found that college students who were physically active before starting university remained so, while those with low motivation to exercise gained significant weight. The researchers recommend teaching children the importance of exercise and healthy eating habits.

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.

Cellular communication agent

Stabilizing the NO signaling pathway has been achieved through the use of zinc complexes, which can bind to thionitrite and perthionitrite anions. This breakthrough reveals the importance of these intermediates in cellular communication, shedding light on their roles in vasodilation and cell protection.

Sports-related traumatic spine injuries

The study found that cycling accidents account for 81% of sports-related traumatic spine injuries, followed by skiing and snowboarding accidents. The research highlights the importance of implementing safety measures to prevent these types of injuries.

Apple iPhone 17 Pro

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

Believing leisure is wasteful reduces happiness

A new Rutgers-led study finds that people who believe leisure activities are a waste of time tend to enjoy them less. The research suggests that attitudes towards leisure can impact its enjoyment and even mental health.

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.

Baby detector software embedded in digital camera rivals ECG

University of South Australia researchers create a computer vision system to detect premature babies' faces and vital signs from digital cameras, outperforming electrocardiogram machines. The technology has the potential to replace contact-based sensors, reducing skin tearing and infections.

Low-cost sensors measure real-time volcanic smog exposure

A team of scientists used low-cost sensor networks to map pollution exposure in real-time during the 2018 Kīlauea Volcano eruption. The study provided highly granular estimates of human exposure to fine particulate matter and sulfur dioxide gas, enabling communities to make informed decisions about their health.

Healthy sugar origin in stingless bee honey revealed

Researchers at the University of Queensland discovered that stingless bees produce a rare, healthy sugar called trehalulose, which is not found in other honey or as a major component in other food. Stingless bees convert sucrose to trehalulose and produce honey rich in trehalulose in their gut.

In situ extraction and detection of DNA is an im-pore-tant development

Researchers at Osaka University have developed a new method for detecting single DNA molecules directly from individual cells, eliminating the need for subsequent steps. The 3D-integrated nanopore allows for efficient delivery of released DNA molecules to the sensing zone, enabling robust detection and analysis.

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.

Green hydrogen: Focus on the catalyst surface

Scientists from KIT have investigated the behavior of iridium oxide catalysts under dynamic conditions using X-ray absorption spectroscopy. The study reveals highly unexpected structural modifications connected to a stabilization of the catalyst at high voltages, contributing to more efficient and sustainable green hydrogen production.

Drought and climate change shift tree disease in Sierra Nevada

A study found that climate change and drought are shifting the range of infectious disease in forests suffering from white pine blister rust disease. The disease expanded its range into higher-elevation forests while contracting it in lower elevations, where conditions were too hot and dry.

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.

Brain refreshing: why the dreaming phase matters

Researchers found increased capillary blood flow in mice brains during REM sleep, indicating a possible role of adenosine A2a receptors in brain refreshing. This unique state may be crucial for waste removal from the brain, which is associated with Alzheimer's disease development.

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.

Bird communities threatened by urbanization

Research team investigates urbanization's impact on farmland bird communities in Bangalore, India, finding that urbanization homogenizes bird species, eliminating insect-eating birds essential for pest control. The study highlights the importance of preserving biodiversity to maintain ecosystem resilience and food production systems.

Viruses leave traces for long after infection

Researchers have found that viruses like hepatitis B and C do not always kill infected cells, but instead cause long-term changes. These changes can affect genes related to cell division and metabolism, potentially contributing to increased risk of liver cancer in cured patients.

Overcoming obstacles to promote repair in multiple sclerosis

A new study suggests that existing drugs for multiple sclerosis may not be effective due to toxic blood leaks in the brain. Researchers have identified a promising alternative treatment option that could improve myelin repair, even in the presence of these harmful elements.

Celestron NexStar 8SE Computerized Telescope

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

How adolescents used drugs during the COVID-19 pandemic

Adolescents in the US showed stable overall drug use rates during the first six months of the COVID-19 pandemic, but nicotine and prescription misuse increased, while alcohol use decreased. The study monitored 7,842 adolescents and found heightened stress, depression, and anxiety associated with youth substance abuse.

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.

Possible new antivirals against COVID-19, herpes

Scientists have developed stable peptide mimics called peptoids to treat viruses and prevent infections. Peptoids, such as those tested against SARS-CoV-2 and HSV-1, could one day cure or prevent many kinds of infections, including COVID-19.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.