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Science News Archive February 2009


Page 14 of 24

New strategy to combat cancer: Streamlining blood vessel walls

The study reveals that PHD2-blockers can convert abnormal endothelial layers into tightly aligned cells, allowing anti-cancer medicines to reach their destination more easily. This improves the effectiveness of chemotherapy and reduces cancer cell migration.

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.

Astronomers unveiling life's cosmic origins

Researchers have discovered complex organic molecules in interstellar space using powerful radio telescopes. Detailed images of protoclusters reveal a complex mix of stars in different stages of formation.

NSERC at 2009 AAAS Annual Meeting

Seven Canadians are inducted as AAAS Fellows for their meritorious contributions to science and engineering. The Natural Sciences and Engineering Research Council of Canada highlights the 'Canadian way' of pursuing scientific research through partnerships and networks.

AAAS Annual Meeting news: Dining habits of early humans

Recent findings suggest early humans primarily ate gelatin, contradicting the long-held notion that they ate hard, tough foods like nuts. This shift in understanding may be linked to crisis situations rather than everyday dietary needs.

Vital climate change warnings are being ignored, says expert

A University of Alberta biologist is sounding the alarm on Canada's neglect of crucial research on climate change's effects on its lakes, reservoirs, and carbon cycles. Studies reveal that lake water levels are depleting at a rate of less than one percent per year, posing a significant threat to emergency water supplies.

Apple iPhone 17 Pro

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

New findings on climate change and fisheries

Scientists have developed a new computer model predicting climate-driven shifts in commercially important fish species. The study suggests that most fish will migrate towards the Pole, with devastating consequences for developing countries' fishing industries.

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.

ASU genetics research sheds light on evolution of the human diet

Researchers at ASU have discovered that humans have a unique genetic adaptation to starch consumption, with high-starch diets associated with more copies of the AMY1 gene. This finding provides insight into why certain populations may be better equipped to handle diarrheal diseases.

Women's cancer outcomes improved by surgical evaluation

A post-hysterectomy analysis found about half of women with pre-cancerous cell changes still had invasive endometrial cancer. Women diagnosed with complex atypical hyperplasia should be referred to a gynecologic oncologist for evaluation.

Researchers crack the code of the common cold

The study provides a powerful tool for developing effective treatments against the common cold by sequencing the genetic codes of human rhinoviruses. The researchers found that the viruses are organized into about 15 small groups and can mutate rapidly, making a 'one drug fits all' approach ineffective.

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.

Plugging in molecular wires

Researchers developed a new process to capture light energy with nearly equal efficiency by connecting molecular wires to biological photosynthetic systems. This approach improves the transfer of electrons, achieving high quantum yields similar to natural photosynthesis.

Surprising interactions of diabetes mellitus and sepsis

Researchers found that diabetic patients are less likely to develop acute respiratory failure during severe sepsis. They discovered that people with diabetes and sepsis were more likely to develop acute renal failure than those without diabetes.

Roles of DNA packaging protein revealed by Einstein scientists

Scientists at Albert Einstein College of Medicine have found that linker histone H1 is necessary for holding together pericentric heterochromatin, a region close to the center of chromosomes. H1 also regulates the expression of genes within this region. The study uses fruit fly larvae to examine H1's role in gene regulation.

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.

Herpes virus: To vaccinate or not to vaccinate

Researchers have discovered a transient protective effect of herpesvirus infections in mice, suggesting possible benefits against bacterial pathogens. The findings, confirmed by Dr. Marcia Blackman's team, contradict previous suggestions that vaccinated individuals may experience unintended negative consequences.

Chronic infection may add to developing-world deaths

Researchers from MIT indicate that underlying gastrointestinal infections increase severity of acute diarrhea and delay recovery. The analysis provides a model for evaluating new preventive strategies or therapeutic treatments.

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.

'Science:' Novel quantum effect directly observed and explained

A research team has successfully observed the quantum spin Hall effect, where electrons flow without external stimulus due to internal material structure. This breakthrough could lead to the development of fault-tolerant quantum computers and spin sources suitable for quantum computing and information processing.

US Atlantic cod population to drop by half by 2050

Climate change is expected to drastically impact world fisheries, with US Atlantic cod populations projected to decline by 50% by 2050. The study, led by William Cheung, simulates changes in ocean temperature and current patterns caused by various climate scenarios.

Psychoactive compound activates mysterious receptor

A hallucinogenic compound found in a plant indigenous to South America has been discovered to activate the sigma-1 receptor, a protein abundant throughout the body. This finding may have implications for treating drug abuse and depression, with potential applications for developing new, highly selective drugs to inhibit the receptor.

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.

Montana State University tracks warming trend in northwestern North America

A Montana State University study has found that the coldest daily temperatures recorded in Bozeman, Mont., and Coldstream, British Columbia, have occurred less often over the past several decades. Extreme warm nighttime temperatures have become more frequent at a rate of about one percent per year or 10 percent per decade.

Major step for drug discovery and diagnostics

Researchers at University of Copenhagen have developed a general method to study membrane proteins, reducing the development time for useful drugs substantially. The method uses amphipols to immobilize membrane proteins on surfaces, allowing for faster and more accurate testing.

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.

Draft version of the Neanderthal genome completed

Researchers from Max Planck Institute and 454 Life Sciences Corp. have completed a draft version of the Neandertal genome, providing insights into their genetic relationship with modern humans. The study reveals significant differences between the Neandertal and human genomes, shedding light on how our species diverged.

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.

Have migraine? Bigger waistline may be linked

A study of 22,211 people found that abdominal obesity increased the risk of migraine headaches in those aged 20-55, especially in women. Losing weight around the stomach area may be beneficial for reducing migraine risk in this age group.

Chewing gum helps treat hyperphosphatemia in kidney disease patients

A study found that chewing gum with a phosphate-binding ingredient can help maintain proper phosphate levels and prevent cardiovascular disease in dialysis patients. Salivary phosphate levels decreased significantly after two weeks of chewing, while blood phosphate levels also showed a notable reduction.

Penguins marching into trouble

Long-term research reveals a quarter-century of data on penguin numbers, showing a decline of over 20 percent in the last 22 years. Penguins are struggling with food scarcity, leading them to nest outside protected areas where they fall prey to predators.

Children's early gesture have important link to school preparedness

Research at the University of Chicago found that children who convey more meanings with gestures at 14 months have larger vocabularies at 54 months, indicating better school preparedness. The study also showed differences in parent gesture use between high- and low-income families.

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.

Decreasing insulin resistance prevents obesity-related cardiovascular damage

Researchers found that knocking out the protein tyrosine phosphatase 1B (PTP1B) gene improves cardiovascular function in genetically fat mice with diabetes. The study suggests that PTP1B contributes to insulin resistance, which can lead to impaired nitric oxide dilation and vascular remodeling. By improving fine control of blood glucos...

Read my lips: Using multiple senses in speech perception

Recent studies suggest that humans use multiple senses for speech perception, including lip-reading, teeth movements, and facial features. The McGurk Effect demonstrates the integration of visual and auditory information, showing how our brains blend these senses together to process speech.

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.

Carnegie's Richard Meserve to receive AAAS Abelson Award

Richard A. Meserve, Carnegie Institution president, receives the AAAS Philip Hauge Abelson Award for advancing public interest and exceptional scientific contributions. The award recognizes his dedication to international science advancement.

Cell injections accelerate fracture healing

A multi-centre study found that osteoblast cell injections accelerated fracture healing, with increased bone growth and no significant patient complications. The treatment is considered a safe and effective alternative to traditional methods, allowing for faster recovery without surgery.

Fluke 87V Industrial Digital Multimeter

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

Pubic hair provides evolutionary home for gorilla lice

A new article suggests that gorilla lice evolved to infest pubic hair around 3.3 million years ago, possibly due to human-gorilla contact. This divergence occurred despite humans and gorillas diverging from a common ancestor at least 7 million years ago.

Fox Chase researchers give mutants another chance

Fox Chase researchers have shown that manipulating the amount of Hsp70 can restore function to mutated proteins, which could potentially reduce severity or correct certain hereditary diseases. By modifying the chaperone environment, they hope to give Hsp70 better opportunities to rescue broken proteins.

'Green' plastics could help reduce carbon footprint

Scientists have developed a method to produce biodegradable plastics from plants, which can be used to replace petroleum-based plastics. The new plastic, called polyhdroxybutyrate-co-polyhydroxyvalerate (PHBV), is flexible and moldable, and can be naturally degraded into water and carbon dioxide by bacteria in the soil.

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.

True or false? How our brain processes negative statements

Pragmatically licensed statements, which sound natural and informative, don't hinder the brain's understanding of negative statements. In contrast, pragmatically unlicensed statements elicit similar ERPs to true words, suggesting negation is not more challenging when useful.