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Science News Archive January 2024


Page 23 of 37

New quantum optics technique sheds light on polariton interactions

A new quantum optics technique has been introduced to explore light-matter interactions in semiconductors. The technique, called photon-cascade correlation spectroscopy, uses spectral filtering and photon-correlation analysis to reveal interactions between semiconductor exciton-polaritons.

The healthiest lunch choice at work

A study in Japan found that employees having lunch at company cafeterias or bringing homemade lunches have relatively higher nutritional quality compared to those eating out. The survey of 620 workers aged 20-75 revealed that homemade and cafeteria options were associated with better nutrition indices.

Celestron NexStar 8SE Computerized Telescope

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

‘Smart glove’ can boost hand mobility of stroke patients

Researchers have developed a groundbreaking 'smart glove' that can track and analyze hand movements with high accuracy, helping stroke patients recover and regain mobility. The wearable device uses machine learning models to detect finger joints and grasping forces, providing valuable insights for personalized exercise programs.

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.

Climate change threatens global forest carbon sequestration, study finds

A new analysis reveals a pronounced regional imbalance in forest productivity, with the Western U.S. experiencing a notable slowdown and the Eastern U.S. seeing slightly accelerated growth. This study highlights the urgent need for reduced global greenhouse gas emissions to restore the global carbon balance.

When bees nourish their microbiota

Researchers have discovered that bees produce multiple acids that provide essential nutrients to native gut microbes, such as Snodgrassella alvi. This finding suggests that the bee directly enables bacterial colonization by furnishing necessary nutrients, highlighting the intricate metabolic synergy between bees and their gut microbiota.

Island plant life becomes more similar when humans move in

Researchers found that human migration to the South Pacific Islands led to a reduction in the uniqueness of plant species, with homogenization occurring over approximately the last 3,000 years. This process coincides with human occupation and modification of flora through introduced non-native plants and activities.

Apple iPhone 17 Pro

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

Accelerating how new drugs are made with machine learning

Researchers developed a platform combining automated experiments with AI to predict chemical reactivity, greatly accelerating the design process for new drugs. A machine learning model predicts where molecules will react and how reaction sites vary under different conditions, enabling precise tweaks to complex molecules.

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.

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.

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.

Climate change threatens fish supply: tiny phytoplankton, big consequences

A new study reveals that climate change is silently eroding the ocean's ability to provide fish by reducing plankton levels, leading to significant drops in fish stocks. The research found that even small declines in phytoplankton can result in much bigger drops in fish populations due to an amplifying mechanism within the food web.

Bladder tumors reduced by 90% using nanorobots

Researchers successfully reduced bladder tumor size by 90% in mice using nanorobots propelled by urea. The nanomachines deliver a radioisotope to the tumour, attacking it with precision and efficiency. This breakthrough could lead to more effective bladder cancer treatments and reduced hospitalization costs.

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.

Key moment in the evolution of life on Earth captured in fossils

Researchers precisely dated some of the oldest fossils of complex multicellular life, tracking a pivotal moment in Earth's history when new lifeforms teemed in the seas. The fossils, including creatures like Aspidella terranovica, showcase early evidence of large-scale multicellular organisms.

Physicists identify overlooked uncertainty in real-world experiments

Uncertainty in thermodynamic parameters can influence experiment outcomes, suggesting a new approach to modifying stochastic thermodynamics equations. This oversight has implications for various systems, including cells and optical tweezers, where precision is limited by the uncertainty in system parameters.

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.

Solid-state qubits: Forget about being clean, embrace mess

Researchers at Paul Scherrer Institute created solid-state qubits from rare-earth ions in a crystal, showing that long coherences can exist in cluttered environments. The approach uses strongly interacting pairs of ions to form qubits, which are shielded from the environment and protected from decoherence.

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.

Embracing stress helps young athletes develop a winning mindset

Researchers from Staffordshire University developed a cognitive-behavioral intervention to help young athletes manage stress. The program taught them to view stress as an enhancing factor for performance, rather than a debilitating one, leading to improved wellbeing and performance.

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.

Towards a humane metaverse: Challenges and opportunities

The metaverse offers a view into a future where human interaction transcends physical boundaries. Key findings include the potential for virtual reality to enhance human experience, but also highlight challenges in designing healthy digital spaces that promote positive interactions.

Feeding mode of ancient vertebrate tested for first time

Researchers use computational fluid dynamics to examine the feeding mode of extinct jawless heterostracans, dismissing the filter feeding hypothesis. The study reveals that forward-facing denticles on oral plates may have prevented oversized food particles from lodging between plates.

Water molecule discovery contradicts textbook models

A team of researchers from the University of Cambridge and Max Planck Institute found that water molecules at the surface of saltwater are organized differently than previously thought. The study's findings suggest a depletion of positively charged ions and negatively charged ions, leading to a reversal of textbook models.

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.

Researchers develop hedgehog safety test for robotic lawnmowers

Researchers at the University of Oxford have created a standardized safety test to assess how dangerous robotic lawnmowers are to hedgehogs. The test uses specially designed hedgehog crash test dummies and has found that many models pose a threat to these animals, especially at night when they are most active.

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.

Missing link found: supernovae give rise to black holes or neutron stars

Researchers found a direct connection between massive star deaths and compact remnant formation, using observations of a nearby galaxy's SN2022jli supernova. The team detected periodic movements and energy signatures indicating a neutron star or black hole sucking up matter from its companion star.

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.