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Science News Archive 2009


Page 197 of 277

Global markets: Chinese consumers respond to Western brands

A new study reveals that Chinese consumers attach political meanings to Western brands and connect them to important moments in Chinese history. Chinese consumers are finding ways to appropriate symbols and goods to create a new Chinese narrative, infusing Western brands with meaning and articulating a reaction to the West.

When every photon counts

Researchers found that nocturnal mammals have an inverted chromatin arrangement in their rod nuclei, which acts as micro-lenses to focus light. This unique organization enhances night vision and provides new insights into the evolution of mammalian retinas.

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.

Middle-school math classes are key to closing racial academic achievement gap

A University of Illinois study suggests that challenging middle-school math classes and increased access to advanced courses can close the racial academic achievement gap. The research found that students who take more advanced math courses in middle school have better academic outcomes and are less likely to fall behind.

Apple iPhone 17 Pro

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

Scientists discover 'dancing' algae

Researchers at the University of Cambridge discovered 'dancing' algae, Volvox, that form stable groupings and exhibit unique waltzing and minuet patterns. The 'dance' is held together by fluid flows and induced attraction between colonies.

Study: Lizards bask for more than warmth

Researchers found that chameleons alter their sunbathing behavior in response to their dietary vitamin D intake, regulating UV exposure to maintain optimal levels. The study showed remarkable accuracy in the chameleons' ability to gauge and adjust their UV exposure based on internal vitamin D levels.

Critical turning point can trigger abrupt climate change

A new study from the Niels Bohr Institute suggests that changes in CO2 levels can suddenly reach a critical threshold, triggering dramatic climate shifts. The Earth's climate is controlled by three cycles: orbital eccentricity, axial tilt, and rotation, which influence solar radiation.

Robot-assisted surgery appears useful for removal of some head and neck tumors

Researchers assessed robot-assisted surgery in treating selected head and neck cancers, finding that the procedure offers limited surgical morbidity, reduced hospital stays, and improved lesion visualization. The study involved 36 patients with oral cavity, throat, or larynx tumors, yielding successful robotic resections in 81% of cases.

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.

New insight into Rett syndrome severity

A research collaboration has identified a genetic variation that influences Rett syndrome severity, providing potential new target for treatment. Patients with the normal BDNF genetic variant experienced less severe symptoms, including later onset and fewer seizures.

International team cracks mammalian gene control code

A recent breakthrough in mammalian genome research has revealed a complex network of genetic regulators that subtly influence gene expression in different cells. The discovery of tiny RNAs and retrotransposons has provided valuable insights into the mechanisms behind cellular development and transformation.

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.

Ecologists put price tag on invasive species

A study by Ecological Society of America reveals the economic costs of invasive species on Europe's ecosystems. The research lists Canada geese and coypu as top invaders causing widespread damage to crops and forests, with estimated annual losses in the UK at €2.8 billion.

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.

Penn's online survivorship care plans empower cancer survivors, caregivers

The online tool provides a roadmap for managing health after treatment, addressing late effects of cancer therapies and promoting informed discussions with healthcare teams. Researchers surveyed 3,343 individuals who created OncoLife plans, reporting high user satisfaction and encouragement to share their plans with providers.

Experimental agents may prevent radiation-induced leukemia

Researchers have discovered that biphosphonates can prevent radiation-induced leukemia in laboratory mice, with 75% of treated mice developing the disease compared to 100% in untreated mice. The study suggests that these compounds may have a general effect on leukemia associated with causes other than radiation.

Bridging the gap in nanoantennas

Researchers control light at nanoscale by adopting tuning concepts from radio-frequency technology, enabling targeted design of biosensors and photodetectors. The discovery bridges the gap between optical and radio frequencies, opening doors for compact and integrated nanophotonic devices.

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.

New drug achieves pancreatic cancer tumor remission and prevents recurrence

Researchers found a novel combination therapy using tigatuzumab and gemcitabine that reduces pancreatic cancer stem cells, achieving tumor remission and preventing recurrence. The treatment significantly increased time-to-tumor progression in treated cases, offering new hope for patients with this deadly disease.

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.

The genetic X-factor

A study of over 200 families with learning disabilities has discovered nine new genes on the X chromosome associated with the condition. The research highlights the challenges of identifying genetic causes and cautions against assuming that a knocked-out gene is causing a disease.

Bench to bedside: What's on the horizon

Researchers have made significant advancements in cancer treatment, with studies on combined PI3K and MEK inhibition showing anti-tumor activity. Another study found that combining a histone deacetylase inhibitor with an mTOR inhibitor may provide a new therapeutic approach for pancreatic cancer.

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.

An herbal extract inhibits the development of pancreatic cancer

The study found that thymoquinone from Nigella sativa inhibited the expression of inflammatory cytokines and NF-kappaB in pancreatic cancer cells, reducing tumor growth and inflammation. The herb has been used for centuries to treat various diseases, including immune disorders.

New imaging analysis predicts brain tumor survival

Researchers at the University of Michigan developed a method to analyze changes in a tumor's blood flow and volume, allowing for early prediction of patient survival. The 'parametric response map' approach showed promising results in predicting treatment response earlier than traditional methods.

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.

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.

Clouds: Lighter than air but laden with lead

Lead from human activities causes clouds to form at warmer temperatures with less water, altering rain and snow patterns. The presence of lead also changes the distribution and density of clouds, affecting the amount of earth's heat that escapes into space.

New biomarker may predict leukemia aggressiveness

Scientists discovered a potential new biomarker, PDE7B, to predict the aggressiveness of chronic lymphocytic leukemia (CLL). High levels of PDE7B in white blood cells indicate aggressive CLL and need immediate treatment.

Celestron NexStar 8SE Computerized Telescope

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

Personalized medicine helps cancer patients survive

A nationwide study by TGen and Scottsdale Healthcare shows that molecular profiling can identify specific treatments for individuals, helping keep their cancer in check for significantly longer periods. The study included 66 patients who experienced significant periods of time when their tumors did not progress.

New human study reinforces antioxidant benefits of tart cherries

A new human study confirms that eating tart cherries increases antioxidant levels in the body, with benefits potentially including reduced heart disease risk. Researchers found increased antioxidant activity for up to 12 hours after consuming one and a half cups of frozen tart cherries.

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 potent and selective anti-tumor agent on human gastric adenocarcinoma

Acetylshikonin has been found to have potent anti-tumor effects on human gastric adenocarcinoma, with increased cell death and apoptosis observed in both in vitro and in vivo studies. The drug's mechanism involves the regulation of Bax and Bcl-2 levels, suggesting potential therapeutic applications.

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.

What is the effect of tea polyphenols on hepatic drug metabolizing enzymes?

Research found that tea polyphenols suppress the expression of cytochrome P450 enzymes, which play a key role in metabolizing drugs. This suppression leads to reduced liver damage caused by paracetamol overdose. The study provides new insights into the metabolism of tea polyphenols and their potential as hepatoprotective agents.