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Science News Archive 2023


Page 46 of 444

Researchers fix the chirality of helical proteins

Researchers have developed a method to control and fix the chirality of helical proteins by synthesizing molecules with achiral components and introducing chiral elements. The method slows down chirality inversion by a factor of 10^12, enabling stable α-helices for years.

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.

HKU develops novel ‘AI virtual patients’ diagnostic application Breaking spatial and geographical barriers for medical training Revolutionizing global medical education exchanges

The University of Hong Kong has developed an innovative 'AI virtual patients' diagnostic application that leverages generative AI technology to provide personalized patient cases for medical students. This initiative enhances professional skills, improves patient history-taking accuracy, and addresses geographical barriers in medical e...

Porous platinum matrix shows promise as a new actuator material

Researchers at Hamburg University of Technology developed a porous platinum matrix with tiny pores, increasing energy conduction and mechanical stability. The material shows promise as an actuator material and potentially as a catalyst for chemical reactions.

Significant "post-COVID" resurgence in invasive meningococcal disease

A significant post-COVID resurgence in invasive meningococcal disease has been observed in France, with a notable increase in cases among young people aged 16-24. The study reveals that the disease has returned to pre-pandemic levels, with some serogroups targeting different age groups.

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.

Apple iPhone 17 Pro

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

Cancer therapy shows promise against tuberculosis

Scientists at Texas Biomedical Research Institute found a promising cancer therapy also effectively reduces TB growth, even for drug-resistant bacteria. The therapy combines MCL-1 and BCL-2 inhibitors with antibiotics to control TB up to 98%.

Blinking on a quiz show offers clues to human response under stress

Researchers analyzed contestant behavior on the British TV show 'Mastermind' to examine human physiology under conditions of stress. They found that blinking acts like a 'punctuation of thought,' reducing during periods of intense thinking, and increased blink rate in stressed contestants.

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.

Working with community leaders boosts family planning in Tanzania

Researchers at Weill Cornell Medicine found that partnering with local religious leaders increased the adoption of family planning methods in Tanzania. The approach, which involves workshops and training for faith leaders, led to a 19% rise in contraceptive uptake in communities where religious leaders participated.

Three-pronged approach discerns qualities of quantum spin liquids

A team of researchers has confirmed the presence of quantum spin liquid (QSL) behavior in a new material with a triangular lattice structure, KYbSe2. The study used a combination of theoretical, experimental and computational techniques to observe hallmarks of QSLs, including quantum entanglement and exotic quasiparticles.

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.

Non-native diversity mirrors Earth’s biodiversity

A new study has found that non-native species tend to mirror Earth's biodiversity patterns, with around 37,000 invasive species described worldwide. The researchers discovered that certain groups of species, such as mammals and plants, are disproportionately prone to establishing in new areas.

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.

Social media helping to protect biodiversity

Researchers have successfully mapped thousands of animal species in Bangladesh using social media posts, significantly improving habitat conservation. The study also highlights opportunities for social media companies to automate biodiversity data collection, making it easier for scientists to access and utilize.

Presenting a new GRAB sensor toolkit for neuropeptides

Researchers developed a GRAB sensor toolkit for detecting several neuropeptides, including SST, CRF, CCK, NPY, NTS, and VIP. The sensors are highly sensitive and can detect specific neuropeptide release with high spatiotemporal resolution.

The mind’s eye of a neural network system

Researchers at Purdue University developed a new tool to visualize neural network decisions, making it easier to identify errors in image recognition. The tool uses graph-topological data analysis to provide a bird's-eye view of all images in a database, revealing areas where the network struggles to distinguish between classifications.

Breakthrough in bladder cancer research

Two phase-3 clinical trials demonstrate a significant increase in overall survival and progression-free survival for bladder cancer patients treated with immunotherapy combinations. The studies show a 22% reduction in the risk of death compared to chemotherapy alone, providing a promising new approach for treating advanced bladder cancer.

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.

Highlights from the journal CHEST®, November 2023

The November issue of CHEST journal features cutting-edge research on asthma, COPD, diffuse lung disease, and thoracic oncology. A new guideline provides updated recommendations for patients with stable COPD, while home spirometry is shown to be less consistent than clinic spirometry in monitoring lung function in patients with asthma.

New research advances understanding of cancer risk in gene therapies

Researchers discovered a link between gene therapy and the accumulation of stem cells with genetic mutations, which can lead to accelerated growth and increased blood cancer risk. The study suggests that younger patients may be safer candidates for gene therapy due to fewer genetic mutations.

Celestron NexStar 8SE Computerized Telescope

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

Heat tolerant coral may trade fast growth for resilience

Researchers found a tradeoff between fast growth and heat tolerance in corals, with thermally sensitive algae dominating faster growth but only in cooler water. This study helps predict reef futures and inform conservation strategies, highlighting the complexity of coral growth on a reef.

Dams now run smarter with AI

A research team employed deep learning techniques to scrutinize dam operation patterns, achieving remarkable accuracy in forecasting dam water levels. The study demonstrates the potential of an artificial intelligence model trained on extensive big data to surpass conventional physical models.

The secret behind mussels’ quick-release interface

A new study reveals how mussels create a dynamic biointerface that can be quickly released on demand, inspired by the connection between their byssus stem root and foot. This interface is mediated by neurotransmitters and features billions of motile cilia.

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.

Excessive fluid consumption: habit or hormonal disorder?

Excessive fluid consumption can be caused by a rare hormone deficiency, polyuria-polydipsia syndrome, which regulates the body's water and salt content. Researchers have developed a reliable test using highly concentrated salt infusion to diagnose this condition.

A new ultrasound patch can measure how full your bladder is

A new wearable ultrasound patch can accurately image organs within the body without traditional ultrasound equipment, enabling earlier detection of cancers deep within the body. The patch is designed to measure bladder volume, providing valuable insights into kidney health and wellness.

AI model can help predict survival outcomes for patients with cancer

Researchers developed an AI model using epigenetic factors to predict patient outcomes across multiple cancer types. The model successfully divided patients into two groups with different survival chances, and its genes were found to have a significant overlap with cluster-defining signature genes.

Meta Quest 3 512GB

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

Rediscovery of rare marine amoeba Rhabdamoeba marina

Researchers successfully cultured Rhabdamoeba marina from Japanese seawater, revealing its genetic sequence and clarifying its phylogenetic position. The study suggests reclassification into Chlorarachnea due to its close relationship with chlorarachnid algae.

Pushing the boundaries of eco-friendly chemical production

A team of researchers has made a significant leap forward in molecular chemistry by modifying azaarenes, unique molecular puzzle pieces crucial to many everyday products. Using photoenzymatic systems, they have discovered novel chemical reactions that were previously thought to be out of reach.

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.

Study: Temperature variability reduces nesting success

A Cornell University study found that temperature variability, such as cold snaps and heat waves, reduces nesting success in songbirds. Nestlings are particularly vulnerable to these extremes, which can trigger mass die-offs if eggs and young birds are left exposed.

Experts urge reforms at FDA to rebuild trust

Leading experts recommend five major factors for FDA trustworthiness, including procedural and substantive conditions, to enhance public trust in its decisions. The report aims to rebuild trust in health care and science after controversies around vaccine approvals.

2023 Canadian wildfires impacted air quality as far away as Europe, China

A study published in Advances in Atmospheric Sciences found that record-setting Canadian wildfires had a significant impact on air quality across the Northern Hemisphere. The research used numerical air quality models to simulate the dispersal of pollutants from the fires, revealing widespread effects beyond Canada and the US.

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.

Universal adaptive optics for microscopy through embedded neural network control

A new machine learning-based adaptive optics method, MLAO, enhances microscopy imaging by requiring fewer sample exposures and coping with high noise levels, random sample motions, and blinking events. The approach provides physical insights into the imaging process, enabling better understanding of aberrations and internal workings.

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.