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Science News Archive 2009


Page 256 of 277

Artificial intelligence -- child's play!

Children can influence and observe an artificially intelligent machine in a simple computer game called 'Gorge', learning about its behavioral patterns. Researchers aim to teach kids what AI is all about using this engaging game.

Apple iPhone 17 Pro

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

USC study finds that green tea blocks benefits of cancer drug

Researchers at USC found that green tea extract (GTE) renders the cancer drug Velcade ineffective in treating multiple myeloma and mantle cell lymphoma. The study suggests that patients on Velcade should avoid green tea products to minimize side effects, which may be misattributed to the supplement's beneficial effects.

Scientists discover how deadly fungus protects itself

Researchers at Albert Einstein College of Medicine have discovered that the protective capsule of Cryptococcus neoformans fungus grows by linking saccharides together, allowing it to evade the immune system. This finding could lead to new therapies or vaccines against fungal infections.

Cardiac imaging method may expose patients to high radiation dose

A new study found that cardiac computed tomography (CT) angiography scans may expose patients to high doses of radiation. The study suggests that using available strategies to reduce radiation dose can substantially decrease patient exposure, and that educating physicians and technicians on these methods is essential

Multimedia system provides new view of musical performance

A new multimedia system, i-Maestro 3D Augmented Mirror (AMIR), uses motion capture to record a musician's posture and movement while playing. The system provides real-time analysis and feedback to improve technique, helping musicians and teachers alike.

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.

Even natural perfumes may cause allergies

Natural aromatic oils can trigger allergic reactions, according to a study by Lina Hagvall at the University of Gothenburg. The research found that common perfume substances, like geraniol and lavender oil, can become allergens through autoxidation and skin enzyme reactions.

UNC study: Tinkering with the circadian clock can suppress cancer growth

Researchers at the University of North Carolina have found that disrupting the circadian clock can slow the progression of cancer. The study suggests that altering one of four essential 'clock' genes can extend the lives of mice with cancer by 50% by making cancer cells more vulnerable to cell suicide.

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.

Growth hormone treatment after weight loss surgery prevents loss of muscle mass

A new study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that growth hormone treatment after weight loss surgery reduces lean body mass and skeletal muscle mass losses. Researchers discovered that short-term growth hormone treatment during a standardized diet and exercise program increased l...

Why don't more animals change their sex?

A Yale University study found that the biological costs of changing sexes are rarely sufficient to disfavor sex change, suggesting a possible explanation for its rarity among animals. Researchers built theoretical models and tested them using game theory, showing that only huge costs can disfavor sex change.

Minnesota Partnership targets aphids

Researchers at the Mayo Clinic have developed an insecticide that targets the soybean aphid, a pest ravaging Minnesota crops. The small molecule blocks acetylcholinesterase activity in aphids without inhibiting it in humans.

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.

USMC lightens its load with Office of Naval Research Technology

The Office of Naval Research (ONR) showcased its technology investments to reduce the weight of Marine Corps equipment by up to 30%. New technologies aim to improve body armor, helmets, vehicles, and communications equipment. ONR's goal is to increase mobility and survivability for Marines.

Advancement in tissue engineering promotes oral wound healing

A research team developed an autologous full-thickness oral substitute that mimics the characteristics of gingiva, providing a promising solution for oral cavity reconstruction. The study's results support the need for larger clinical trials to further evaluate the effectiveness of this new tissue-engineered product.

Early whales gave birth on land, fossil find reveals

The discovery of a 47.5 million-year-old fossil whale in Pakistan provides evidence that early whales gave birth on land, contrary to the long-held assumption that they gave birth at sea. The fossils reveal that these ancient whales had well-developed teeth and could fend for themselves from an early age.

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.

Potential new herpes therapy studied

Researchers have made a breakthrough in developing a new gene-targeting therapy that uses an RNA enzyme to inhibit strains of the herpes simplex virus. The technique has shown promise in experiments with mice and rabbits, but further research is needed before it can be attempted in people infected with herpes.

Student open-source software brings personal finance to the iPhone

A Rensselaer Polytechnic Institute student project has created an open-source app called Vault that tracks and manages personal spending on the iPhone, while protecting users' identities. The app offers features like automatic expense categorization and GPS-located bank branches.

Caltech researchers help unlock the secrets of gene regulatory networks

Researchers at Caltech have discovered intricate gene regulatory networks in various organisms, including fruit flies, nematodes, sea urchins, lampreys, and mice. These networks play a crucial role in directing developmental processes, with subtle balances of regulatory signals being essential for proper cell differentiation.

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.

Prestigious fellowship for young Nottingham researcher

Dr Catherine Jopling has received a prestigious David Phillips fellowship to investigate the molecular biology of hepatitis C virus. The £1m funding will support her work on miR-122, a specialized liver microRNA that interacts with HCV in an unusual way.

Researchers find pathway and enzyme unique to tularemia organism

Researchers at UTSA have made a breakthrough discovery in the fight against tularemia, a deadly bio-warfare agent. They identified a unique metabolic pathway and enzyme, nicotinamide adenine dinucleotide synthetase (NMS), that is specific to Francisella tularensis, making it a potential target for therapeutic development.

Compounds could be new class of cancer drugs

Researchers have discovered a new class of compounds that selectively inhibit protein phospholipase D (PLD), an enzyme linked to multiple human cancers. The inhibitors block invasive breast cancer cell migration and could be used as antimetastatic agents.

Drugs may be 'magic bullet' for infants born with rare form of diabetes

A new study found that sulfonylurea drugs can restore function and reverse symptoms in infants with neonatal diabetes by blocking potassium channels, potentially avoiding secondary damage to insulin-producing cells. Early treatment with these drugs may circumvent irreversible damage if caught early enough.

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.

Early humans had 'jaws of steel'

Researchers used computer simulation to study the jaw structure of Australopithecus africanus, finding it ideal for cracking hard objects. The findings suggest that early humans adapted their diet to changing food sources by using their powerful jaws.

NRL's Rampant Lion II survey builds on success of Rampant Lion I

The NRL's Rampant Lion II survey built on the success of Rampant Lion I, completing a geophysical and remote sensing survey of Afghanistan. The upgraded sensor suite collected nearly 30 Tbytes of raw data, advancing airborne remote sensing techniques and supporting the warfighter and economic infrastructure development.

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.

Green tea may negate the effects of a common cancer therapy

A new study suggests that green tea components may negate the effects of bortezomib (Velcade) in patients taking this medicine. The EGCG polyphenol in green tea bound to boronic acid-containing compounds like bortezomib cancels out their antitumor effects.

Living longer thanks to the 'longevity gene'

A study by Kiel University confirms a special sequence variation of the FOXO3A gene is more frequent in centenarians globally, supporting its role in longevity. The research team analyzed DNA samples from 388 German centenarians and 731 younger individuals, finding consistent results worldwide.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Chronic drinking causes more liver injury than acute or binge drinking

New rodent findings show that chronic drinking causes more injury to the liver than acute or binge drinking, with persistent gene-expression changes and deleterious conditioning. This research highlights the importance of daily, excessive drinking in programming the liver to become dependent on alcohol.

Gardening gives older adults benefits like hand strength and self-esteem

A recent study found that gardening can improve hand strength and self-esteem in older adults, as well as provide moderate physical activity. Researchers at Kansas State University assessed 15 areas of health in older gardeners compared to non-gardeners, revealing the benefits of gardening on hand function and psychological well-being.

Do you know what your mother did when she was young?

A study published in The Journal of Neuroscience found that a mother's enriched environment during her youth can significantly impact her child's learning disorder severity. This effect, known as transgenerational inheritance, was observed even when the offspring were raised by non-enriched foster mothers.

Meta Quest 3 512GB

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

Does hotter mean healthier?

A study by ASHS researchers found no correlation between pepper heat levels and resistance to Phytophthora blight. Instead, genetic differences, cuticle thickness, and other factors may play a role in fruit response to the disease.

Don't go changing: New chemical keeps stem cells young

Scientists have discovered a chemical that prevents stem cells from turning into other cell types, allowing researchers to grow larger stocks of these cells. This breakthrough has huge potential for treating diseases and injuries without current cures.

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.

Violent computer games have role in fire safety

Researchers at Durham University found that commercial violent computer games can be used to build virtual worlds for training in fire evacuation procedures. The study showed that using game code from First Person Shooter games is quicker and more efficient than traditional virtual reality toolkits.

Johns Hopkins researchers discover new schizophrenia gene

Researchers identified three genetic variants associated with delusions in people with schizophrenia, located within the neuregulin 3 gene on chromosome 10. The study suggests that this gene may contribute to the development of delusions and other symptoms of the condition.

New clues to pancreatic cells' destruction in diabetes

A recent study found that CXCL10 is a key factor behind the destruction of insulin-producing β cells in diabetes. The inflammatory marker was found to decrease β cell viability and impair insulin production in isolated human pancreatic cells. This discovery may lead to new treatments for preventing β cell death or restoring lost function.

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.

Neural mapping paints a haphazard picture of odor receptors

Researchers at Harvard University have mapped the neural circuitry of the nose, revealing a seemingly random patchwork of receptors for different scents. Despite striking differences between smells like coffee and peppermint, cells processing similar odors are found in precisely the same location on the olfactory bulb.

Nightmares increase risk of further suicide attempts

A Swedish thesis found that people who experience nightmares after a suicide attempt are five times more likely to attempt suicide again. The study also revealed that sleeping difficulties do not increase the risk of repeat attempts, contrary to previous research.

Tobacco smoke and alcohol harm liver worse as combo

Researchers at the University of Alabama at Birmingham found that exposure to second-hand smoke and alcohol significantly raises the risk of liver disease. The combined effect led to elevated levels of liver fibrosis proteins, which can lead to cirrhosis.

Australian technology in global health toolkit

CSIRO's Snorocket software enhances electronic health record accuracy, enabling faster data processing and improved collaboration among healthcare professionals worldwide. The innovation is part of the IHTSDO Workbench, a platform for standardizing clinical terminology and promoting global health data consistency.

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.

Effects of brain exercise depend on opponent

A recent study found that playing games against a virtual opponent activates different brain areas than those activated when playing against a human opponent. The medial prefrontal cortex and other regions associated with 'Theory of Mind' were more active in male players believing they were competing with another human.

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.