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Science News Archive November 2017


Page 35 of 42

Flavonoid derivatives targeting NF-kappaB

Researchers synthesized 30 flavanone derivatives to target NF-kappaB, identifying compounds with potent anti-inflammatory and cytotoxic activities against various cancer cell lines. The top-ranked compounds exhibited improved pharmacological profiles through conjugation of two pharmacophores.

Apple iPhone 17 Pro

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

A quasiparticle quest

Researchers have developed a device using graphene that could provide conclusive evidence for the existence of non-Abelian anyons, a key component of topological quantum computing. The device achieves extremely low disorder and tunability, allowing for the study of these particles in a controlled environment.

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.

Acoustic monitoring provides holistic picture of biodiversity

A pilot study analyzing over 1,100 hours of birdsong reveals insights into the spread and diversity of bird species on Okinawa island. The research uses acoustic monitoring to track the influence of human activity on endemic species such as the Okinawa Rail and Ruddy Kingfisher.

Controlling nerve injury repair revealed in Monash University study

Researchers found signals in a tiny worm that control the mechanism of severed nerves self-healing. The discovery enables genetic control over this process, raising hopes for treating nerve injuries in humans. The study used laser beams to sever neurons and observed how they regenerated, finding full function restored within 48 hours.

$6 million NIH award will advance research on deadly bone infections

Bone infection can be debilitating and potentially fatal. Researchers at the University of Rochester Medical Center are advancing new treatments for bone infections by understanding how bacteria like Staphylococcus aureus evade treatment and developing new antibiotics to target those mechanisms.

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.

Mammals switched to daytime activity after dinosaur extinction

A new study reveals that mammals began living in the daytime approximately 66 million years ago, shortly after the dinosaurs' disappearance. The ancestors of simian primates were among the first to abandon nocturnal activity, with their visual adaptations comparable to diurnal reptiles and birds.

Depressed with a chronic disease? Consider alternative therapies

A new study found that antidepressants are ineffective in treating depressed patients with chronic kidney disease, prompting experts to reconsider treatment approaches. Alternative therapies such as ketamine, electroconvulsive therapy, and psychotherapy may be more effective for these patients.

Tiny bees play big part in secret sex lives of trees

Scientists at the University of Texas at Austin discovered that tiny bees, no bigger than a grain of rice, promote long-distance pairings between trees. These small pollinators aid in preventing inbreeding among closely related plants, ensuring a thriving new generation of offspring.

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.

Swapping where crops are grown could feed an extra 825 million people

A new study proposes swapping crop distributions on existing farmland to meet growing food demand and reduce water stress, resulting in a 10% increase in calorie production and 19% more protein. The proposed changes would generate substantial water savings for 42 countries, including Australia, India, and South Africa.

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.

Same gene, different mating techniques in flies

A study of two related fruit fly species reveals a single gene regulates behavior for attracting a mate, leading to distinct wooing techniques. The research suggests that the same neurons in both species evolved to generate different behaviors due to acquired gene expression.

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.

Deadly lung cancers are driven by multiple genetic changes

A new study reveals that non-small cell lung cancers are driven by multiple genetic changes, including alterations in TP53 and other pathways. The findings suggest that combination therapies targeting these mutations may improve treatment outcomes and prevent drug resistance.

NASA's GPM radar spots tornado spawning thunderstorms in Ohio Valley

A severe weather event on Nov. 5 was analyzed by NASA's Global Precipitation Measurement mission, revealing the location of strongest storms and predicting heavy rain. At least nine tornadoes were reported in Illinois, Indiana, and Ohio, causing widespread power outages and injuries.

Immune cells mistake heart attacks for viral infections

Researchers found that dying cell DNA stimulates an ancient antiviral program in immune cells, leading to inflammation and heart dysfunction. Blocking this response improves survival rates in mice, suggesting a new potential therapeutic opportunity for preventing heart failure.

Hearing an opinion spoken aloud humanizes the person behind it

A study found that people attribute more humanlike qualities to those expressing opinions they disagree with when spoken aloud versus written. The medium of communication affects evaluations of the communicator, making speakers seem more intellectual and emotionally warm than writers.

Researchers discover new pathway for handling stress

Researchers at University of California San Diego have found a new pathway called Intracellular Pathogen Response (IPR) that helps animals cope with certain types of stress and attacks, including heat shock. The study reveals the IPR gene pals-22, which increases tolerance to heat shock when expressed in roundworms.

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.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Where did those electrons go? X-ray measurements solve decades-old mystery

Researchers at Cornell University used X-ray measurements to determine that electrons lost from ytterbium atoms form their own 'cloud' outside the atom when heated, returning when cooled. This phenomenon, first proposed by Russian physicist Evgeny Lifshitz, sheds light on unusual properties of rare-earth elements.

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.

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.

Researchers discover eight new epilepsy genes

A recent study identified 8 new genes involved in epileptic encephalopathy, a severe form of epilepsy combining with intellectual disability. Whole-genome sequencing revealed de novo mutations as the main cause of this type of epilepsy.

New UNC-Chapel Hill project aims to bring semantics to evolutionary trees

A new NSF-funded project at UNC-Chapel Hill aims to make expertise in comparing anatomical or physiological knowledge about different organisms accessible to computers. The project will develop tools for semantic ancestral character reconstruction and enrichment, enabling researchers to study how phenotypes evolve along the tree of life.

Quantum computing on the move

Researchers at Johannes Gutenberg University Mainz successfully demonstrated the operation of a four-qubit register comprised of atomic ions trapped in microchip traps. The achievement marks a decisive milestone for scaling up quantum computers, showcasing the potential for entangled states to be created with long-lived multipartite en...

Fluke 87V Industrial Digital Multimeter

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

New techniques give blood biopsies greater promise

Researchers have developed an accurate approach for monitoring cancer DNA from blood samples, validating the use of blood samples for studying patients' cancer genomes. Nearly 90 percent of a tumor's genetic features can be detected in blood samples using whole-exome sequencing.

High risk sex behaviors impact women's health: McMaster

Women involved in high-risk sex behaviors have more diverse vaginal bacterial microbiota, a lower abundance of protective Lactobacillus bacteria, and are at higher risk for STIs and HIV-1 acquisition. The study suggests that low diversity vaginal microbiota is associated with less risk of vaginal infections.

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.

Depressed fathers risk not getting help

A new study from Lund University reveals that depression among new fathers may be more common than previously thought and often goes undetected. The established screening method for depression in mothers is found to work poorly on men, with symptoms such as irritability and low self-control being overlooked.

Could this be malaria's Achilles heel?

Portuguese researchers have identified a crucial defence mechanism used by the malaria parasite to survive inside its host's liver cells. The protein UIS3 binds to LC3, forming a protective shield against autophagy, allowing the parasite to evade the host's cellular defence mechanism.

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.

Measuring atoms for better navigation and mineral detection

Physicists at the University of Queensland developed a new technique to reduce errors in atom measurement devices, boosting precision by exploiting quantum entanglement. This improvement enables more flexible design and operation of these quantum sensors, potentially moving experimental physics into real-world applications.

Calorie counts on menus make a difference

A comprehensive study reveals that displaying calories on menus reduces consumer calorie intake by 27 calories per meal, while retailers respond by offering more low-calorie options.

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.

Epidemics and climate

A study reconstructing climatic patterns in China from AD 1-1911 found long periods of cold and dry conditions associated with epidemic outbreaks. However, the relationship between temperature and epidemics varied across short time scales, highlighting climate's scale-dependent impacts on disease prevalence.