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Science News Archive 2021


Page 85 of 510

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.

Study offers snapshot of celebs’ social media influence on COVID-19 info

A study published in the Atlantic Journal of Communication analyzed Instagram posts from 20 celebrity influencers about COVID-19 between March and May 2020. The researchers found that celebrities initially modeled guidance from health experts, normalizing suggested behaviors such as staying home and practicing hand hygiene.

COVID-19 vaccine gets strong response in some with weak immunity

A recent study by Cedars-Sinai Medical Center found that COVID-19 mRNA vaccines induced detectable antibodies in 99% of patients with bowel disease, regardless of their immunocompromising therapies. Researchers also noted a correlation between the antibody response and effective immunity in the community.

How to make a better polymer

A team of researchers at UMass Amherst has developed a method to count the number of strength-enabling entanglements in glassy polymers, which can be used to create stronger, more cost-effective materials. By combining computer simulations with experimental processes, they found that not every entanglement contributes to the polymer's ...

Artificial intelligence spots anomalies in medical images

Researchers have trained a neural network to detect anomalies in medical images, adapting it to the nature of medical imaging and achieving better results. The new method uses weakly supervised training and can spot small-scale anomalies, accelerating the work of histopathologists and radiologists.

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.

Supernova: A glowing DNA enzyme

Researchers at IOCB Prague have created a glowing DNA enzyme called Supernova, which catalyzes a chemiluminescent reaction. This breakthrough uses artificial evolution to identify light-producing deoxyribozymes in a vast library of DNA molecules, opening up new possibilities for point-of-care assays and high-throughput screens.

Neuroscientists see how practice really does make perfect

Researchers at Duke University used new tools to monitor neurons and analyze machine learning data to see how zebra finches practice their courtship calls. They found that a neurotransmitter called noradrenaline shuts down variability in the song, making it more precise when performed under pressure.

Hidden costs of global illegal wildlife trade

The global illegal wildlife trade has a substantial impact on biodiversity loss, human health, and ecosystems. The trade results in estimated costs of $162.7 billion annually and contributes to the extinction of native species.

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.

Quantum enhanced convolutional neural networks for NISQ computers

This work proposes a hybrid quantum-classical convolutional neural network that leverages the power of quantum computing to enhance machine learning. The quantum feature map allows for a much larger feature space exploration, potentially leading to higher learning accuracy.

Crisis pregnancy centers may be hurting public health efforts

New research from the University of Georgia reveals that crisis pregnancy centers offering STI and HIV services are not meeting quality care standards. Many CPCs fail to offer comprehensive testing, treatment, or referrals, despite advertising as medical facilities.

Fingerprinting proteins with force

Researchers develop DNA Nanoswitch Calipers to measure distances within single molecules using force, enabling the identification of single proteins in samples. This technique creates a unique 'fingerprint' that can be used to identify known molecules or infer structural information about unknown ones.

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 online tool helps keep college campuses smoke and tobacco free

A recent study confirms the effectiveness of Tobacco Tracker in shaping college attitudes and behaviors towards smoke and tobacco-free (STF) policies. The online tool resulted in doubled awareness, tripled use, and increased support for STF policies on two California public universities.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Chip-based optical tweezers levitate nanoparticles in a vacuum

Researchers created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum, reducing the footprint of traditional optical traps. The new design enables precise sensing applications and has potential uses for studying near-surface forces and quantum processes.

Apple iPhone 17 Pro

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

SwRI-led team produces a new Earth bombardment model

A new model by a SwRI-led team applies geologic evidence to understand how oxygen levels in the Earth's atmosphere evolved. The results indicate that large impacts may have contributed to the scarcity of oxygen, delaying its oxidation.

Fungal outbreak in marine mammals began on land

A study explores how human activities on land can affect aquatic animals, specifically the fungal pathogen Cryptococcus gattii. The research found that terrestrial hotspots were likely where spores settled before infecting marine mammals in the Salish Sea.

Modeling cellular migration

Researchers develop 3D simulation capturing how cells containing vimentin move through body tissue, crucial for understanding cancer spread and wound healing. The study reveals vimentin's protective role in nuclear DNA and its potential as a target for cancer treatment.

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.

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.

A traffic light for light-on-a-chip

A team of researchers at EPFL and Purdue University has developed a magnetic-free optical isolator using integrated photonics and micro-electromechanical systems. This device can couple to and deflect light propagating in a waveguide, mimicking the effects of magnet-driven isolators without requiring magnetic fields.

Thinking collectively to understand the social intelligence of animals

Researchers are using social neuroscience to study how individual brains synchronize during group interactions, revealing key findings on animal cognition and collective decision-making. This new approach has implications for understanding human social intelligence and the potential for virtual collective dynamics.

Photon-counting distributed free-space spectroscopy

A team of scientists developed a photon-counting distributed free-space spectroscopy (PDFS) to analyze atmospheric gas composition. The method provides range-resolved spectra of CO2 and HDO over 6 km, offering insights into chemical processes in the atmosphere.

Celestron NexStar 8SE Computerized Telescope

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

Novel peroxide-based material emits fluorescence in response to stress

Researchers have synthesized a novel organic peroxide mechanophore that releases fluorescence in response to mechanical stress. The compound, bis(9-methylphenyl-9-fluorenyl) peroxide (BMPF), was incorporated into a polymer network and found to retain its ability to release a fluorescent molecule when subjected to grinding or compression.

Cell-free DNA identifies early signs of relapse in pediatric medulloblastoma

Researchers at St. Jude Children's Research Hospital have developed a test to detect measurable residual disease (MRD) in children treated for medulloblastoma, identifying those at risk of relapse earlier than traditional imaging scans. The study found that cell-free DNA in cerebrospinal fluid can be used to predict relapse and potenti...

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.

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.

New material could pave way for better, safer batteries

Researchers develop solid-state battery material derived from trees, offering improved ion conductivity and potential solutions to safety concerns. The new material could enable the mass market adoption of solid-state battery technology.

Skin-inspired sensors show how our body moves

Scientists at the University of Groningen developed wearable, stitchable, and sensitive sensors from flexible polymers and carbon fibre. These sensors can measure body position, movement, and touch, offering new possibilities for health monitoring and athlete performance tracking.

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.

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.