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Science News Archive December 2007


Page 12 of 16

Hinode mission delves into solar mysteries

The Hinode space mission has made groundbreaking discoveries about the Sun's surface and atmosphere, shedding light on long-standing mysteries. Researchers found evidence of Alfvén waves, which could heat the corona to extreme temperatures and accelerate the solar wind.

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.

Economists: Reduce fish catch now for bigger net profits later

A ground-breaking study finds that allowing fish numbers to rise leads to higher profits, contradicting the assumption that maximizing fishing profits will lead to stock depletion. The study's results suggest a win-win scenario for fisheries and the global marine environment.

Like humans, monkey see, monkey plan, monkey do

Cotton-top tamarins display grasps consistent with end-state comfort in experiments, suggesting sophisticated motor planning. The results challenge previous attributions of nonhuman species' cognitive abilities.

Apple iPhone 17 Pro

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

Research on HIV-1 resistance in Old World monkeys

Matt Stremlau's research identified the factor responsible for blocking HIV-1 infection in Old World monkey cells, providing insights into innate immunity to viruses. The protein TRIM5alpha causes the rapid disassembly of the viral capsid core, rendering the virus ineffective.

Anticancer drugs might be of benefit to sickle-cell patients

Researchers discover that lenalidomide and pomalidomide can increase fetal hemoglobin production in people with sickle-cell disease, potentially providing a new therapy. These findings also suggest the possibility of using these drugs to treat other beta-hemoglobinopathies.

Public health and cancer prevention: Success and future challenges in cancer policy

Researchers explore ways to translate cancer prevention science into public health policy, highlighting the need for effective tobacco control measures. Boosting taxes, comprehensive advertising bans, smoke-free laws, and strengthening cigarette package warnings have been found to be effective in reducing tobacco consumption, but flawe...

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.

Making emergency artery repair safer

Catheters equipped with balloons, lasers, and miniature drills can treat tears in arteries, improving safety for emergency repairs. The technology has reduced the risk of life-threatening bleeding from vessel punctures during angioplasty procedures.

Fluoridated water for Queensland ... at last

The Queensland Government's decision will ensure 80% of residents drink fluoridated water within two years and over 90% by 2012. Fluoride introduction is expected to reduce dental decay by up to 65% compared to non-fluoridated areas.

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.

Free software brings affordability, transparency to mathematics

The open-source tool Sage has won international recognition for its user-friendly tools and collaborative features, making powerful number-crunching accessible to mathematicians worldwide. With features like collaborative online worksheets, Sage is poised to replace commercial software commonly used in mathematics education and research.

Study of African traditional medicine will begin world-first clinical trial

Researchers are studying the safety and effectiveness of African plants used by traditional healers for treating various ailments, including AIDS and respiratory infections. The study aims to uncover the medicinal properties and potential benefits of these plants, with a focus on South Africa's vast botanical diversity.

Subliminal smells bias perception about a person's likeability

Research from Northwestern University suggests that humans can pick up infinitesimal scents that affect whether we like or dislike someone. Study participants who were unaware of barely perceptible odors showed biased judgments on face likability, while those who could detect the scent made conscious decisions.

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.

A new approach to study flu drug resistance

Researchers developed a new method to assess the danger of flu drug resistance emergence, combining human infection data with a mathematical framework. The study found that immune response plays a crucial role in determining the likelihood of resistant infections spreading.

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.

Doctors failing to diagnose HIV early in UK Africans

Researchers call for GPs to be more proactive in offering HIV testing to higher-risk groups, citing low rates of early diagnosis and serious consequences. The study found that half of surveyed HIV-positive Africans were diagnosed late, despite above-average use of healthcare services.

St. Jude finds mechanism for faulty protein disposal

Researchers identify key cellular components that carry out protein disposal and shed light on how proteasome inhibitors interfere with this process. The discovery could lead to novel cancer drugs targeting the protein disposal mechanism.

MIT creates new oil-repelling material

Researchers at MIT have developed a simple process to manufacture materials that strongly repel oils, which could be used in aviation, space travel, and hazardous waste cleanup. The material's unique microfiber structure allows it to cushion droplets of liquid, preventing them from wetting the surface.

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.

New, rare and threatened species discovered in Ghana

Scientists have discovered significant populations of new, rare, and threatened species in Ghana's Atewa Range Forest Reserve, underscoring the area's high biological diversity. The findings include Critically Endangered frog and butterfly species, as well as eight new species of katydids.

Kids eat more fruits, vegetables when schools offer salad bar

A UCLA study found that introducing a lunch salad bar in elementary schools significantly increased low-income students' daily fruit and vegetable intake, with a notable decline in unhealthy fats. The program's success highlights the importance of accessible healthy food options in promoting healthier eating habits among children.

Tiny pest-eating insect fights fruit flies

A study by Jean Pierre Kapongo found that Muscidifurax raptor is an effective biocontrol agent for controlling fruit flies in vineyards. This method reduces the need for chemical pesticides, benefiting the environment and promoting agricultural sustainability.

Meta Quest 3 512GB

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

Revolutionary work in mathematics is awarded

Drs. Stefano Bianchini and Alberto Bressan's paper on nonlinear hyperbolic systems has solved a 50-year-old problem, proving the existence and uniqueness of solutions as viscosity tends to zero. Their work has far-reaching implications for various physical phenomena, including fluid dynamics and astrophysics.

Scientists issue Bali climate change warning

More than 200 leading climate scientists have warned the need for immediate action to reduce greenhouse gas emissions. The Bali Climate Declaration calls on governments to limit global warming to below 2 degrees C by stabilising CO2 levels at well below 450ppm CO2e.

Caffeine cream tones thighs

A Brazilian study found that a 7 percent caffeine solution cream reduced thigh circumference by over 80% and hip measurements by nearly 68%. However, the effect on cellulite was less clear, with imaging showing little change. The researchers speculate that the trial may not have been long enough for the cream to act on cellulite.

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.

InStream Media in agreement with BIG Interactive

InStream Media, developed at Stevens Institute of Technology, has signed a distribution agreement with BIG Interactive to distribute its Steganographic Embedded Non-Invasive Advertising platform in Singapore. The platform uses advanced steganography for interactive and consumer-initiated advertising with instant feedback.

MIT: Missing protein may be key to autism

Researchers at MIT's Picower Institute for Learning and Memory report that a missing brain protein may be one of the culprits behind autism and other brain disorders. They found that an enzyme called Cdk5 plays a critical role in recruiting key scaffolding proteins to develop synapses.

Biomarkers for inflammatory disease

Researchers characterized gene expression patterns in Kawasaki disease patients, identifying innate immune mechanisms and proinflammatory responses. The study supports the use of gene-expression profiles to generate biomarkers for other systemic inflammatory illnesses, improving diagnosis and treatment 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.

Herbal extract found to increase lifespan

A University of California, Irvine study found that Rhodiola rosea increases the lifespan of fruit flies by an average of 3.5 days in males and 3.2 days in females. The herb has been shown to have anti-oxidative properties and is thought to boost the body's response to stress.

A pain-free window into painful neuropathies

Researchers have developed a new method to monitor peripheral neuropathy by analyzing tiny structures in the skin called Meissner corpuscles. This non-invasive technique allows doctors to detect nerve damage and track its progression, providing a valuable tool for early diagnosis and treatment.

Study questions impact of hemoglobin variations on mortality in dialysis patients

A recent study published in the Clinical Journal of the American Society of Nephrology suggests that persistently low hemoglobin levels in dialysis patients increase their risk of death, while fluctuating levels do not. The research used data from nearly 160,000 patients to analyze the effects of hemoglobin variability on mortality rates.

How stress alleviates pain

Researchers found that stress hormone noradrenaline suppresses pain inputs from the brainstem, reducing neurotransmitter launch and triggering nerve impulses. The study provides important mechanistic clues to understanding stress-induced analgesia.

Pheromones identified that trigger aggression between male mice

Researchers at Scripps Research Institute and Harvard University discovered a family of proteins in mouse urine that elicit aggression response in males. The protein family, comprising the major urinary protein (MUP) complex, is recognized exclusively in the vomeronasal organ and activates specific sensory receptor neurons.

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.

The closest look ever at native human tissue

Researchers from EMBL have visualized proteins responsible for cell-cell contacts for the first time, revealing the molecular organization of skin. The technique, called cryo-electron tomography, allows for the first 3D image of human skin at molecular resolution.

Household chemical may affect breast development

Researchers have found that exposure to a common household chemical, butyl benzyl phthalate (BBP), can cause genomic changes in the mammary gland of rats. The study suggests that this could potentially lead to breast cancer, highlighting the need for further research.

UTSA Manufacturing Center awarded $375,000

The University of Texas at San Antonio has been awarded a $375,000 grant from the National Science Foundation to build and support new research laboratories in manufacturing engineering. The center aims to work with industrial partners and provide education and training opportunities for students.

Odd little star has magnetic personality

A team of astronomers, led by Dr. Edo Berger, have observed a surprisingly active magnetic field on the ultracool low-mass star TVLM513-46546, challenging the theory that cooler stars are simple and quiet. The star's complex magnetic field environment may indicate unusual activity beneath its surface or possibly even an unseen companion.

Celestron NexStar 8SE Computerized Telescope

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

Reviewers agree on osteoarthritis of the knee

A review of six knee osteoarthritis treatment guidelines found significant differences in recommended treatments, with a focus on acetaminophen, NSAIDs, and exercise. The study highlights the need for more detailed educational interventions to improve guideline applicability.

The aging brain: Failure to communicate

Advanced imaging techniques reveal that normal aging degrades bundles of axons in the central nervous system, disrupting communication between different brain regions. This decline contributes to cognitive decline and affects processing speed, executive function, and memory.

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.