Bluesky Facebook Reddit Email

Science News Archive 2023


Page 222 of 444

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.

How the evolution of tooth enamel tissue unfolded

A recent study by researchers at the University of Zurich found that the Notch signaling pathway plays a crucial role in shaping and varying tooth enamel. The team used genetically modified mouse models to analyze the effects of the Notch-ligands on teeth, revealing that their absence affected tooth morphology and enamel formation.

Apple iPhone 17 Pro

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

Bacterial signallers in the soil

Researchers discovered that Streptomyces bacteria produce chemical substances called arginoketides, which trigger biofilm formation, algae aggregates, and fungal signalling. These findings shed light on microbial communication and its impact on soil ecosystems and plant diseases.

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.

Emulating how krill swim to build a robotic platform for ocean navigation

Researchers at Brown University have developed a krill-inspired robot called Pleobot, which emulates the swimming method of krill to navigate complex marine environments. The platform has the potential to enable scientists to understand how to engineer better robots for ocean navigation and exploration.

Know a shortcut to Paris?

A recent study by Kyoto University has raised concerns about the authenticity of Big Oil's net-zero emissions claims. The research team found that oil majors are not making sufficient progress in phasing out fossil fuels and transitioning to clean energy, despite their pledges to achieve net-zero by 2050.

Study identifies risk factors for early onset colorectal cancer in males

A study by Regenstrief Institute has identified seven risk factors for early onset colorectal cancer in males, providing a framework for clinicians to consider screening recommendations for younger men. The model may help estimate relative risk and identify individuals at higher risk for colorectal cancer.

DNA barcoding identifies the plants a person has eaten

A new technique using DNA barcoding can identify the plant matter in human feces, improving clinical trials, nutrition studies and historical research. The method detected specific plant species and their relative amounts consumed, varying according to diet, age, and household income.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

A symbiosis in the open ocean

Researchers discovered a symbiotic relationship between diatom Hemiaulus hauckii and cyanobacterium Richelia euintracellularis, with the diatom supplying reduced organic compounds to support nitrogen fixation. The study found that proteins from the endosymbiont play a crucial role in molecule transport across cell membranes.

New study sheds light on the evolution of animals

A new study published in Trends in Ecology & Evolution suggests that animals first evolved around 574 million years ago. The researchers used advanced analytical techniques to investigate preservation conditions in Cambrian and Neoproterozoic rocks, finding that certain clays were essential for capturing early animal fossils.

Unveiling the secrets of liquid iron under extreme conditions

Researchers from Tokyo Institute of Technology have made a breakthrough in measuring liquid iron's resistivity under extreme conditions. They achieved this using new techniques involving diamond anvil cells and powerful lasers, allowing for measurements at pressures up to 135 GPa and temperatures over 6680 K.

Researchers reveal how cells rewrite their fate

Researchers discovered a protein, C/EBPα, that accelerates B lymphocyte-to-macrophage conversion by interacting with PU.1. This epigenetic mechanism may be targeted for cancer research and treatment.

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.

Deaf mice have nearly normal inner ear function until ear canal opens

Researchers found that deaf mice have nearly normal neural activity in the auditory system for two weeks after birth, suggesting a molecular mechanism for improved outcomes with early cochlear implants. This spontaneous activity helps train the brain to process sound before the ear canal opens.

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.

This self-driving boat maps underwater terrain

Researchers at the University of Texas at El Paso have developed an autonomous boat that can carry out bathymetric surveys with unprecedented ease. The robotic vessel uses a multibeam echosounder to measure water depth and detect material types on the seafloor, enabling scientists to create accurate maps of underwater terrain.

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 new generic treatment for multiple types of cancer

Researchers have developed a new technique to generically treat several kinds of cancer, showing tumors grew almost three times less and survival rates reached 100% after just one injection. The method targets cancer cells with alpha radiation, sparing healthy tissue.

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.

Beatboxing orangutans and the evolution of speech

Wild orangutans produce two distinct sounds simultaneously, mirroring songbirds and human beatboxers. This finding has significant implications for the evolution of human speech and our shared ancestors' vocal capabilities.

Methionine restriction reverses old-age obesity in mice

Researchers found that restricting methionine intake via a low-methionine diet or oral administration of recombinant methioninase-producing E. coli reversed old-age-induced obesity in mice, leading to significant weight loss after just 14 days.

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.

Revealing the power of citizen science for SDG advancement

A new collection of academic papers highlights the contributions of citizen science to the SDGs, emphasizing its potential for monitoring and transformative change. The collection demonstrates that citizen science has vast untapped potential for driving progress towards achieving the SDGs.

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.

Researchers make a quantum computing leap with a magnetic twist

A team at the University of Washington has made a breakthrough in quantum computing by detecting signatures of 'fractional quantum anomalous Hall' (FQAH) states in semiconductor materials. This discovery marks a significant step towards building stable qubits and potentially developing fault-tolerant quantum computers.

Novel theranostic agent targets multiple cancer types

A newly discovered radionuclide-based agent (CB-2PA-NT) has shown high tumor uptake, sustained retention, and contrast in preclinical models. Targeting neurotensin receptors, CB-2PA-NT expands precision medicine for cancer diagnosis and treatment.

New drug delivery method can reverse senescence of stem cells

A new drug delivery method utilizes polymer-stabilized crystals to deliver antioxidants to stem cells, minimizing variation in drug release and extending the duration of effectiveness. This technology can be applied to various cell cultures and potentially other hydrophilic drugs, disease models, and methods applications.

Lupus flare-ups strongly linked to specific bacterial growth in gut

A new study from NYU Langone Health found a strong link between lupus flare-ups and specific bacterial growth in the gut, particularly Ruminococcus blautia gnavus. The researchers identified 34 genes linked to the bacterium's growth in people with inflammation, highlighting its potential role in triggering autoimmune diseases.

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.

Team proposes a new view on euchromatin in the cell

The study reveals that euchromatin does not form fully open structures but instead is composed of condensed domains with dynamic liquid-like properties. These findings provide insight into how genomic information is searched and read out in living cells, challenging traditional dogma on chromatin structure.

HSE scientists investigate third-party punishment for unfairness

Researchers from HSE Institute of Cognitive Neuroscience examine the brain's reaction to social norms violations and calculate a behavioral index to assess an individual's sensitivity to unfairness. This index can be used to develop personalized rehabilitation programs for patients with various types of behavioral disorders.

Celestron NexStar 8SE Computerized Telescope

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

Illinois study reveals genetic secrets of America's favorite snack

A new study from the University of Illinois reveals a wealth of untapped diversity in popcorn's genetic code, with over 308,000 variations across the genome. The research may help improve the agronomic performance of the crop and uncover its long history of movement across North America.

PT-symmetric lasers beyond proof-of-concept demonstrations

Researchers have developed a novel electrically pumped edge-emitting laser chip with unprecedented performance, achieving single-mode output power levels of 400 mW at room temperature. The device uses PT-symmetry to suppress higher-order modes, maintaining beam quality comparable to narrow waveguide devices.

D-amino acids play a role in stress-induced response in cholera bacterium

Researchers at Umea University discover new role for D-amino acids in stress-driven bacterial chemotaxis, revealing complex ecological systems and potential strategies to manipulate bacterial populations. D-Arginine plays a multifaceted role in shaping microbial communities and influencing niche selection.

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.

Fondant: Where baking and thermodynamics mix

Researchers studied fondant creation using automated kneading machines and light microscopy, linking it to theoretical physics models. The team found that different preparation methods influence fondant structure and texture, enabling better prediction and control.

Penn State researchers develop digital test to directly measure HIV viral load

A digital assay called STAMP has been developed to directly measure the presence of HIV in single drops of blood, providing a more efficient and accurate alternative to traditional methods. The test uses CRISPR-Cas13 technology to detect and signal the presence of HIV, allowing for real-time monitoring of viral loads.

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.

Brain imaging-based biomarker of depression identified

Researchers used brain imaging to identify multiple subtypes of depression, finding distinct deviation patterns in functional connectivity among brain regions. This study provides leads for developing better treatments and personalized therapeutic interventions.