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Science News Archive 2023


Page 423 of 444

New measurements show high air pollution in the Copenhagen metro

Measurements taken by University of Copenhagen researchers show high air pollution levels in the Copenhagen metro, with ultra-small particles 10-20 times higher than on heavily trafficked streets. The pollution comes mainly from trains' brakes and rails, posing a health risk to frequent users.

Just one degree can change a species

Researchers used museum collections to measure ecological response to climate change in central Norway, finding clear regional connections and impacts on species life cycles. Small temperature changes can have significant effects on species distribution and biodiversity.

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.

Physical effect also valid in the quantum world

Physicists at the University of Bonn have experimentally proven the applicability of the fluctuation-dissipation theorem to Bose-Einstein condensates made of photons. The study reveals a direct relationship between fluctuation and sensitivity, enabling precise temperature determination in complex photonic systems.

How Huntington’s disease affects different neurons

Researchers identify vulnerable cell populations in the striatum, which contributes to loss of motor control and early mood disorders. Damage to striosomes may be responsible for mood disorders, while degeneration of matrix neurons likely contributes to motor decline.

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.

Apple iPhone 17 Pro

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

Why Asia-Pacific tropical seas flourish with marine life

A new study reveals that transient wind events trigger significant phytoplankton blooms near tropical reef islands, creating a large network of marine ecosystems. This process, driven by coastal winds, fuels the production of phytoplankton and supports critical feeding habitats for migratory marine species.

DNA from domesticated chickens is tainting genomes of wild red junglefowl

A recent study found that DNA from domesticated chickens has been introgressing into the genomes of wild red junglefowl, leading to a loss of genetic diversity. The researchers estimate that wild birds have inherited 20-50% of their genomes from domestic chickens, which could make them less resilient to environmental changes.

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.

Manufacturing advances bring material back in vogue

Lithium niobate (LN) is being developed to harness its exceptional properties for diverse future applications. LN photonic chips can transform industries beyond optical fibre communications by detecting signals in the infrared part of the spectrum.

Massive fuel hungry black holes feed off intergalactic gas

A research team from the University of Southampton discovered that supermassive black holes are fueled by gas clouds from neighboring galaxies. The study found a link between misaligned gas and active supermassive black hole activity, suggesting that galaxy interactions provide a source of fuel for these phenomena.

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.

Protein Sirtuin 7 suppresses heat production in brown adipose tissue

Researchers found that Sirtuin 7 regulates brown adipose tissue functions, leading to suppressed energy expenditure and thermogenesis. The study reveals a molecular pathway involving protein deacylation and mRNA binding, which will have implications for treating hypermetabolic conditions like cancer and obesity.

Stopping a rare childhood cancer in its tracks

Scientists at Cold Spring Harbor Laboratory have found a way to reprogram cells causing Ewing sarcoma to behave like normal connective tissue cells. By blocking the protein ETV6, cancer cells can be forced to take on a new identity and grow less aggressively.

A blood test for cancer shows promise thanks to machine learning

Researchers at the University of Wisconsin-Madison have developed a machine-learning model that detects cancers at an early stage by analyzing fragments of cell-free DNA in plasma. The technique, which uses readily available lab materials, distinguished people with any stage of cancer from healthy individuals 91% of the time.

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.

National Institutes of Health grant to fund Alzheimer's research

Researchers at Beckman Institute for Advanced Science and Technology will use a unique combination of MRI and mass spectrometry imaging techniques to study Alzheimer's disease on an unprecedented scale. By capturing detailed chemical information, they aim to understand the molecular-level changes that occur in aging brains and develop ...

How pancreatic cancer defies treatment

Researchers at UC San Diego describe how pancreatic cancer stem cells leverage SMARCD3, a protein that normally suppresses tumors, to boost resistance to treatments and drive growth. Deleting SMARCD3 reduces tumor growth and improves survival rates.

CABBI team achieves first precision gene editing in miscanthus

The CABBI team successfully demonstrated precision gene editing in miscanthus, a promising perennial crop for sustainable bioenergy production. The results will accelerate efforts to tap the huge potential of this highly productive but genetically complex grass as a source for biofuels, renewable bioproducts, and carbon sequestration.

Better understanding cancer and heart disease

A Canadian-led research team has discovered how the protein PCSK9 degrades LDL receptors, leading to increased cholesterol levels. HLA-C plays a critical role in this process, which could lead to new treatments for cardiovascular diseases and certain cancers.

Celestron NexStar 8SE Computerized Telescope

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

Analyzing sweat via microelectronic fibers for non-invasive health monitoring

Researchers at Tohoku University developed a microelectronic fiber that can analyze electrolytes and metabolites in sweat, enabling wearable bioelectronics for monitoring biochemical signatures. The breakthrough smart fabric has the potential to provide greater versatility in functions, larger sensing areas, and greater comfort.

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.

Using cancer cells as logic gates to determine what makes them move

Purdue University researchers employ a cellular signal processing system to analyze the migration of cancer cells, identifying the impact of chemical cues and fluid flow on cell movement. The study's findings have significant implications for understanding cancer metastasis and the development of more effective treatments.

Fluke 87V Industrial Digital Multimeter

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

Reducing water flow model uncertainty

Researchers connected global climate modeling with local hydrological data to improve water flow models. They found that using smaller tree samples and younger trees yielded better model validation results.

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.

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.

Reforming the Chinese Academy of Sciences to manage large-scale research

The Chinese Academy of Sciences is reorganizing its institutes into four categories to focus on basic research, applied science, and regional development. However, concentrating resources on creating centers of big-science research infrastructure may bring more distinct competitiveness to the CAS.

Baboons ‘crouch and sprint’ to take standing up in their stride

Researchers discovered that baboons employ an efficient strategy to transition from quadrupedal to bipedal walking by 'crouching' their hindlimbs and 'sprinting' them forward under their torso. This process enables the animals to maintain a natural gait while standing upright, requiring minimal energy expenditure.

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.

Marine biology: The genes that made whales gigantic

A new study in Scientific Reports identifies four genes associated with whales' massive size, including GHSR, IGFBP7, NCAPG, and PLAG1. These genes promote large body sizes while mitigating potential drawbacks like increased cancer risk.

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.

Squirrels that gamble win big when it comes to evolutionary fitness

In a new study, red squirrels that gamble with their reproductive strategy outperform those that play it safe, especially during mast years. Despite short-term costs, female squirrels that increase litter sizes in low-food years experience greater lifetime fitness if they get to experience a mast year.

Active matter theory explains fire-ant group behavior

Fire ants exhibit activity cycles and waves that propagate upwards in high-density conditions, driven by social attraction and collective motion. The study reveals the importance of density in determining these behaviors, which are similar to those observed in flocks of birds and schools of fish.