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Science News Archive 2009


Page 159 of 277

Fatal brain disease at work well before symptoms appear

Researchers found that protein aggregates, previously thought to cause ALS, actually appear later on, increasing in number before symptoms appear. This discovery suggests a larger therapeutic window to treat the disease if diagnosed early.

Study: Engineering stereotypes drive counterproductive practices

A study by Northwestern University found that engineering students often perpetuate stereotypes of engineers as lone experts, leading to counterproductive practices such as solo work and procrastination. This can harm team-based projects and hinder workplace effectiveness.

Apple iPhone 17 Pro

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

New cleaning protocol for future 'search for life' missions

Scientists at the University of Leeds and NASA have developed a new cleaning protocol to ensure that Earth-based microorganisms don't contaminate Mars samples. The protocol was tested on various sampling devices, including rover scoops and glacial ice core drills, and found to effectively remove detectable organic biosignatures.

Race and short sleep duration increase the risk for obesity

A study by American Academy of Sleep Medicine finds that short sleep duration significantly increases the risk of obesity, particularly in black Americans, who have a 35% greater risk than whites. The study analyzed data from over 29,000 individuals and found that black Americans had a higher prevalence of both short sleep and obesity.

Stopping diabetes damage with vitamin C

Researchers found that a combination of insulin and vitamin C stopped blood vessel damage caused by Type 1 diabetes in patients with poor glucose control. The therapy's effectiveness was proven in humans for the first time, offering hope for diabetic patients to avoid complications.

Television watching before bedtime can lead to sleep debt

A large study found that television viewing is a dominant pre-sleep activity, accounting for nearly 50% of pre-bedtime. This can lead to reduced sleep time and increased health risks. Experts suggest limiting TV viewing before bedtime as a behavioral change to promote adequate sleep.

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.

An estimated 4 percent of older US men have dry eye disease

A study estimates that approximately 1.68 million US men over 50 years old suffer from dry eye disease, which increases with age and is associated with high blood pressure and certain medications. The prevalence of the condition rises significantly among older men, particularly those aged 75 and above.

Self-regulation game predicts kindergarten achievement

Researchers found that a five-minute self-regulation game can predict end-of-year achievement in math, literacy and vocabulary. The game was associated with the equivalent of several months of additional learning in kindergarten.

Enigmatic sea urchin structure catalogued

A comprehensive investigation into sea urchins' axial complex has shown that various internal organs are structurally linked. The study uses high-resolution imaging to analyze specimens from multiple orders, providing a re-evaluation of published studies spanning two centuries.

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.

MU study finds connection between evolution, classroom learning

A University of Missouri researcher recommends increasing repetition learning and reducing 'fun' activities in US schools to help bridge the gap between natural human learning abilities and modern knowledge needs. This approach can improve students' performance in subjects like science and math.

Cardiac rehabilitation saves lives

A large Brandeis University-led study found that cardiac rehabilitation significantly reduces mortality rates among older adult patients with heart disease. The study showed a 19% lower risk of death for those attending more than 24 sessions, and the benefits were most pronounced in extreme elderly patients.

UT Southwestern research reveals how cells tell time

Researchers at UT Southwestern Medical Center used the fungus Neurospora to study the biochemistry and genetics of body clocks. They found that a protein called FRQ marks time by a sequence of changes in its chemical structure, which controls many biological processes including cell division, hormonal release, and sleep/wake cycles.

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.

Cognitive impairment linked to reduced survival regardless of race

A recent study published in Archives of Neurology found that cognitive impairment is associated with reduced survival rates among both white and African American older adults. The research, which followed 1,715 participants over an average of 4.7 years, showed that individuals with mild cognitive impairment or Alzheimer's disease had s...

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.

Scientists say consumers confused about sugars

Researchers correct inaccuracies surrounding high fructose corn syrup's role in obesity and nutrition. They argue that the sweetener is essentially identical to sugar in terms of metabolism and calories.

Accuracy essential to success of XBRL financial filing program

A new study by North Carolina State University researchers found significant flaws in XBRL filings submitted voluntarily by top 500 companies. The study warns that if upcoming filings do not improve accuracy, the XBRL program's credibility will be undermined, affecting its effectiveness.

Researchers shed light on trading behavior in animals -- and humans

A recent study by Georgia State University researchers found that chimpanzees are cognitively able to understand trade but lack the ability to spontaneously barter without human enforcement. Humans, on the other hand, have a reputation system that fosters confidence in trade, which may be unique among primates.

JCI online early table of contents: June 8, 2009

Researchers develop gene therapy approach to target Factor VIII in hemophilia A mice, reducing disease symptoms. L-Asparaginase degradation mechanism also uncovered, with potential for optimizing treatment.

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.

Fossil teeth of browsing horse found in Panama Canal earthworks

A set of fossil teeth belonging to an ancient three-toed browsing horse, Anchitherium clarencei, has been discovered in the Panama Canal earthworks. The find supports earlier proposals that the habitat was a mosaic of dense forest and open woodlands, extending the southern range of this horse species.

Women underrepresented in most cancer research

A new review of cancer clinical trials reveals that women make up only 38.8% of patients enrolled, with a lower proportion in treatment-focused studies. Studies funded by government vs. private funds show a higher percentage of female participants.

Keck study sheds new light on 'dark' gamma-ray bursts

Most dark gamma-ray bursts are found in normal galaxies that can be detected by large ground-based optical telescopes, contradicting previous theories. The study suggests that dark bursts may represent stars that never drifted far from the dusty clouds that formed them.

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.

New research program BioInterfaces launched

The BioInterfaces program aims to develop new tools to control cells, leading to therapies for muscle, retina, and central nervous system diseases. The program also focuses on controlling bacterial cells that form biofilms on man-made surfaces.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Excessive gaming associated with poor sleep hygiene and increased sleepiness

A study published by the American Academy of Sleep Medicine found that gamers who play for more than seven hours a week experience poorer sleep hygiene and greater sleepiness. The research indicates that excessive gamers sleep significantly less on weekdays and have a positive correlation between game play time and sleepiness.

Study finds regular daily exercise does not increase total sleep time

A recent study published in the American Academy of Sleep Medicine found that regular daily exercise does not increase total sleep time. The study, which involved 14 subjects who wore actigraphy armbands for approximately 23 days, showed that increased activity was followed by lower total sleep time, and vice versa.

Radio telescopes extend astronomy's best 'yardstick'

A team of astronomers has directly measured the distance to a galaxy, providing a precise tool for unraveling the mystery of Dark Energy. The technique uses water molecules in disks orbiting central black holes to amplify radio waves, enabling measurements up to 160 million light-years away.

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.

Study says colorectal cancer increasing in young adults

Incidence rates of colorectal cancer are rising among young adults in the US due to increased obesity and unfavorable dietary patterns. Studies found a 1.5% annual increase in incidence rates from 1992-2005, with left-sided tumors being more common.

Study shows sleep extension improves athletic performance and mood

A study presented at SLEEP 2009 found that sleep extension improved sprinting speed, hitting accuracy, and mood in collegiate tennis players. The researchers believe that similar benefits may be seen in other sports, with reduced daytime sleepiness and improved athletic performance.

Genetic link found between anxiety, depression and insomnia

A study by the American Academy of Sleep Medicine reveals that genetic mechanisms overlap among anxiety, depression, and insomnia in adolescents. Adolescents with anxiety and depression are more likely to experience insomnia, suggesting a shared underlying factor.

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.

Defeating nicotine's double role in lung cancer

Researchers discovered that a nicotine receptor inhibitor, α-CbT, can double survival time in non-small cell lung carcinoma mice. The treatment showed significant antitumor activity by inducing apoptosis and had limited toxic effects on unaffected cells.

UBC researcher solves century-old enigma of prehistoric marine mass grave

A UBC paleontologist has solved the enigma of a massive bonebed in southern California by proposing that it formed over a 700,000 year time-span approximately 15 million years ago. The team found only five shark bite specimens out of over 3,000 bones and teeth analyzed, supporting the deposit-over-time theory.

Scientists determine geese involved in Hudson River plane crash were migratory

Researchers at the Smithsonian Institution analyzed feather remains from a US Airways plane that crashed into the Hudson River, finding that the Canada geese involved were from a migratory population. The study's findings provide essential information for developing policies and techniques to reduce future bird strikes.

Thinnest superconducting metal created

Physicists at the University of Texas at Austin have developed the thinnest superconducting metal layer made from lead, measuring only two atoms thick. This achievement lays the groundwork for future innovations in superconductor technologies.

Conflict-affected countries receive less aid dedicated to reproductive health

A new study finds that low-income conflict-affected countries such as Afghanistan and Somalia receive significantly less aid for reproductive health compared to non-conflict-affected countries. The researchers found that an average of just $509.3m (2.4%) was allocated to reproductive health out of a total of $20.8 billion annually.

Meta Quest 3 512GB

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

Research identifies 3-D structure of key nuclear pore building block

Researchers have for the first time visualized the three-dimensional structure of a crucial subcomplex of the nuclear pore complex (NPC), a fundamental innovation in multicellular life. The findings support a common architecture between NPCs and coated vesicles, revealing an ancient evolutionary connection.

Routine diabetes screenings could cut health-care costs

Researchers found that routine diabetes screenings can lead to significant cost savings for healthcare systems. The study suggests that screening and preventive management can be a cost-effective approach to managing the disease.

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.

A lethal cancer knocked down by one-two drug punch

Researchers identified a gene involved in inflammatory response that could hold key to treating CML, a lethal cancer. A drug combination targeting this gene showed improved therapeutic effect on CML in mice.

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.

FSU study links 'warrior gene' to gang membership, weapon use

A new FSU study confirms the 'warrior gene' is linked to gang membership and violent behavior in males, while females with the same variant are less likely to engage in such behavior. The study found that males carrying a specific MAOA gene variant were more likely to join gangs and use weapons.