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Science News Archive November 2013


Page 9 of 30

Study is first to explain type of antimalarial drug resistance

A recent study published in PLOS ONE has provided the first explanation for type of antimalarial drug resistance. The research found a link between autophagy and resistance to malaria parasites, with implications for developing new antimalarial drug therapy.

Mental stress + heart disease: Stronger presence in women under 50

Researchers found that women younger than 50 with a recent heart attack experience restricted blood flow to the heart in response to psychological stress. This may explain why younger women who are hospitalized after a heart attack face a greater risk of complications and dying compared to men of the same age.

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.

Study shines light on what makes digital activism effective

The study reveals that digital activism is more successful when targeting governments rather than businesses, with social media tools playing a crucial role in its effectiveness. Effective campaigns employ a combination of social media tools, including tweeting alone being less successful.

Large study links nut consumption to reduced death rate

A large study of over 30 years found that eating a daily handful of nuts significantly reduces the risk of death from any cause. The study also found that regular nut-eaters were more slender than those who didn't eat nuts, contradicting a common worry about weight gain.

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.

Virtual sailing simulator shows key role of recreation

Researchers found that a virtual sailing simulator improved quality of life, self-confidence, and overall well-being for participants with chronic spinal cord injuries. The study showed rapid improvement in sailing skills and successful completion of sailing lessons on the water.

Metabolically healthy obesity does not guarantee clean bill of health

Research found that obese people who are metabolically healthy still face an increased risk of developing diabetes and cardiovascular disease. The study analyzed data from over 5,700 participants and found that normal weight individuals with multiple metabolic abnormalities also faced a higher risk of cardiovascular disease.

BU, MIT team engineers add new wrinkles to waterproofing

A team of engineers from BU and MIT have engineered a wrinkled surface that sheds liquid much faster than a smooth one, reducing contact time by 37%. The innovative approach uses surface texture to reshape drops as they recoil, making surfaces stay drier longer.

Novel material stores unusually large amounts of hydrogen

Researchers synthesized a new material that can store up to three times more hydrogen than most metal hydrides, with an unusual structure not observed in other known hydrides. The discovery could contribute to the development of high-capacity hydrogen fuel cells and potentially lead to the discovery of unprecedented properties.

Framework could improve southeast rainfall forecasts

Researchers developed a new statistical model to forecast summer rainfall in the Southeast, identifying key climate factors that influence rainfall intensity. The three-cluster finite normal mixture model improves accuracy for seasonal predictions.

Apple iPhone 17 Pro

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

Aging erodes genetic control, but that's flexible

Biologists at Brown University found that gene silencing via chromatin in fruit flies declines with age, but administering life span extending measures such as lower calorie diets or increased expression of the protein Sir2 restores the loss of gene silencing due to age. The study suggests a possible line of research to develop more pr...

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.

Research uncovers secrets of Mars' birth from unique meteorite

A Florida State University scientist has discovered a 4.4 billion-year-old Martian meteorite that may be the first recognized example of ancient Martian crust. The analysis reveals information about the origin and age of Mars' crust, confirming that the planet did not experience a giant impact that melted it in its early history.

Temple's Dr. Steven Houser recognized by the American Heart Association

Dr. Steven R. Houser, Director of the Cardiovascular Research Center at Temple University School of Medicine, has made significant contributions to cardiovascular research over nearly three decades. He received prestigious honors from the American Heart Association for his work on heart cell function and regenerative pathways to repair...

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.

Roman emperor's virtual villa to be unveiled Friday

Researchers unveil an immersive digital experience of Hadrian's Villa, featuring interactive exploration and historically accurate avatars. The virtual world simulation combines scholarly studies with cutting-edge technology to recreate the ancient site.

Impacts of plant invasions become less robust over time

A UCSB study found that invasive plants' ecosystem impacts decrease over time, but native species may need additional assistance to recover. Long-term monitoring revealed declining nitrogen mineralization rates and reduced self-reinforcing effects on soil nutrients.

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.

Box office success linked to blogging, study finds

A study by Pradeep K. Chintagunta of the University of Chicago Booth School of Business found that gender, income, race, and age are key indicators of a movie's box office performance in individual markets. The study suggests that studios should adjust their advertising strategies based on these demographics.

Frequent breaks from sedentary behavior makes kids healthier

A recent study published in PLOS ONE found that frequent interruptions in children's sedentary time can have a positive impact on their health. The research, which analyzed data from over 500 children aged 8-11, showed that breaks in sedentary behavior were associated with lower risk scores for type 2 diabetes and cardiovascular disease.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

IUPUI study: Finding Occam's razor in an era of information overload

A new study led by Steve Pressé reveals a preferred strategy for picking mathematical models with the greatest predictive power, emphasizing simplicity and avoiding unnecessary complexity. The study's findings support Occam's razor principle, suggesting that simpler theories are more likely to be correct.

Tropical Cyclone Helen headed for landfall in India

Tropical Cyclone Helen is expected to intensify and make landfall in the coastal plain of Krishna Delta in Andhra Pradesh, India. The storm's track is predicted to shift westward due to a mid-level subtropical ridge, with forecasters warning fishermen to return to shore.

Celestron NexStar 8SE Computerized Telescope

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

3 new wafer trapdoor spiders from Brazil

Scientists have discovered three new species of wafer trapdoor spiders in Brazil, expanding our knowledge of the genus Fufius. The discovery highlights the morphological variability of the species and provides insight into their distribution across different environments.

PTSD raises risk for obesity in women

Women with PTSD experience rapid weight gain and increased risk of being overweight or obese compared to those without the disorder. The study analyzed data from 50,504 women and found that symptoms of PTSD rather than trauma itself drove the weight gain.

New crizotinib side-effect

A University of Colorado Cancer Center study found that crizotinib treatment reduces kidney function in ALK positive non-small cell lung cancer patients. Kidney function recovered after treatment, but additional tests are recommended if concerns arise.

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.

'Undruggable' mutation meets its match

A team of scientists at the University of California, San Francisco has identified a previously unknown pocket on the K-Ras protein that can be targeted by a new compound. This compound inhibits only mutant K-Ras and leaves normal protein untouched, offering real translational implications for cancer patients.

The last croak for Darwin's frog

Scientists confirm the extinction of Darwin's frogs caused by chytridiomycosis, a fungal disease affecting amphibians. Conservation efforts are crucial to protect the remaining species, emphasizing the importance of preserving biodiversity.

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.

Brain still injured from concussion after symptoms fade

Studies show that concussions can lead to brain abnormalities four months after symptoms have resolved, with memory and behavioral issues improving more quickly than physical injuries. These findings suggest that healing from concussions may be similar to recovering from burns, with tissue scabs forming before the body is fully healed.

Long-term unemployment may accelerate aging in men

A new study has found that long-term unemployment may accelerate aging in men by shortening their telomeres, which protect genetic code from degradation. This association was found in a study of over 5,600 Finnish men born in 1966.

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.

Coffee may help perk up your blood vessels

A study of 27 healthy adults showed that drinking caffeinated coffee significantly improved blood flow in a finger, with a 30% increase compared to decaffeinated coffee. The researchers suggest that caffeine may help open blood vessels and reduce inflammation, providing new insights into how coffee may benefit cardiovascular health.

Hedgehog's long snout finds a cure

A groundbreaking discovery in 1993 led to the development of a cancer treatment, Erivedge, which targets the hedgehog signaling pathway. The breakthrough was made by researchers investigating fundamental mechanisms regulating vertebrate brain development.

Let's just harvest invasive species -- problem solved?

Researchers found that harvesting invasive plants for biofuels is hindered by high costs, lack of specialized equipment, and variable cell wall composition. Despite this, alternative uses for invasive biomass, such as combustion for electricity, may offer a more practical solution.

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.

Illinois receives Grand Challenges Explorations grants

The University of Illinois has won Grand Challenges Explorations grants to develop a single-dose vaccine for multiple animal diseases and a system to study the microscopic parasite Cryptosporidium. This funding aims to address pressing disease problems in developing nations, improving animal health and productivity.

Drug strategy blocks a leading driver of cancer

Researchers at UCSF have developed a new strategy to block the mutated ras protein, which drives three out of ten cancers, including lung and colon cancers. The small molecules efficiently kill ras-driven cancer cells in human lung cancer cell cultures.

Ancient Siberian genome reveals genetic origins of Native-Americans

A 24,000-year-old Siberian individual's genome shows close affinity to modern Native Americans and west Eurasians, contradicting the traditional East Asian origin story. This finding indicates two distinct Old World populations contributed to the formation of the First American gene pool.

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.

USF researchers show invasive sparrows immune cells sharpen as they spread

Researchers found that house sparrows' immune cells become more attuned to finding dangerous parasites at the edge of their range in Kenya. This adaptation may help the birds thrive in new areas with novel pathogens. The study aims to understand what gives invasive species an edge, informing efforts to manage and eradicate them.