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Science News Archive August 2001


Page 3 of 8

Energy in the 21st century: government policy and alternative sources

Researchers are exploring government policies to ensure a stable energy supply, including alternative sources like hydrogen, fuel cells, and alkaline fuel cells. Energy R&D spending is linked to energy-related patents, highlighting the need for increased investment in emerging energy problems.

New food packaging technique improves quality, extends shelf life

A new food packaging technique using argon gas has been shown to extend the shelf life of foods by 25% and improve their overall quality, with some products seeing a 40-50% improvement. Argon replaces nitrogen, which causes food to oxidize and spoil, making it a safe and effective way to preserve food.

Celestron NexStar 8SE Computerized Telescope

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

Newly designed carbon tubes could replace silicon in microchips

Researchers have developed a new circuit using hollow carbon nanotubes, which can switch between 'on' and 'off' states and perform logic functions. The design enables more complex circuits to be built, potentially replacing silicon in microchips within the next 10-15 years.

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.

UNC scientists develop new way to calculate stability of proteins

Researchers from UNC School of Medicine and Pharmacy have developed a new method to calculate protein stability, which could improve drug design and engineering. The approach uses computational manipulations to predict the effects of amino acid mutations on protein stability.

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.

"Obesity," guide for primary care doctors, published

The American College of Physicians-American Society of Internal Medicine has released a comprehensive guide for primary care doctors on obesity diagnosis and management. Obesity rates increased by 30% between 1980 and 1994, carrying significant direct health care costs for the United States. The guide addresses key aspects of medical a...

The lands nobody wanted

Research reveals that US nature reserves are unevenly distributed across ecological zones, leaving many plant and animal species unprotected. The study suggests that involving the private sector in conservation strategies can help preserve America's biodiversity.

Breakthrough mouse model for Alzheimer’s more like human disease

A new double transgenic mouse model has been developed to study Alzheimer's disease, featuring both brain plaques and tangles associated with the condition. The model is expected to contribute significantly to knowledge about the course of the disease and aid in further development and testing of potential therapies.

Apple iPhone 17 Pro

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

UC Davis' first cloned calf born, succumbs three days later

Researchers at UC Davis successfully cloned the first calf using a skin cell from an adult cow, but unfortunately, the calf died just three days after birth. The cloning technique holds promise for improving meat and milk production, with ongoing research aiming to overcome existing challenges.

Substantial resistance to HIV infection tied to genetic mutation

Researchers found that bisexual and homosexual Caucasian men with one copy of the delta-32 mutation have a 70% reduced risk of HIV infection compared to those without the mutation. The study, published in the Journal of Acquired Immune Deficiency Syndromes, provides insight into resistance to HIV infection among high-risk populations.

Meta Quest 3 512GB

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

Well preserved meteorite yields clues to carbon evolution in space

A team of researchers analyzed a rare, well-preserved meteorite found in Canada, revealing organic compounds with similarities to other known carbonaceous chondrites. The study suggests that the Tagish Lake Meteorite may represent an early stage in the evolution of complex carbon compounds in space.

Power plant on a chip? It's no small matter to Lehigh scientists

Researchers at Lehigh University are developing a tiny generating plant, housed on a silicon chip, that can produce enough hydrogen to run power-consuming portable devices. The chip-based micro-chemical plant demonstrates feasibility in producing small amounts of hydrogen.

UCSD researchers discover new role for immune-response enzyme

Researchers at UCSD have discovered a new immunological pathway involving the enzyme I-kappa-B kinase alpha (IKKa), which plays a crucial role in developing B cells and forming certain lymphoid organs. Blocking IKKa's action may offer a new approach to treating autoimmune diseases without compromising the immune system.

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.

Cattle identified as source of Ugandan sleeping sickness outbreak

A recent outbreak of sleeping sickness in eastern Uganda may be attributed to livestock movement from another part of the country where the disease is endemic. The study found that over 50% of cattle traded at the market originated from areas with the disease, and that distance to the market was a significant risk factor for sleeping s...

Why burn coal when wind power is cheap and plentiful?

Wind power has dropped in cost to 3-4 cents per kilowatt-hour, making it less expensive than coal energy. Shifting from coal to wind could address health, environmental, and energy problems, including reducing greenhouse gas emissions.

Abstention from filtered coffee may reduce heart disease risk factors

A study of 183 Norwegian participants found that abstaining from filtered coffee reduced total cholesterol and tHcy levels, while increasing folate levels. This reduction in risk factors may be attributed to the presence of terpenoids in coffee that are only partially removed during filtering.

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.

Social class and weight history predict adult obesity

A study published in American Journal of Clinical Nutrition found that adult obesity is predicted by family social class and weight history. The research examined the relationship between body mass index (BMI) and social class across four generations. Early age at menarche was also linked to later obesity, while BMI at age 14 was a str...

New combination therapy could reduce Ischaemia after heart attack

A new combination therapy has shown promise in reducing ischemic complications after a heart attack. The study found that combining full-dose tenecteplase with prolonged subcutaneous administration of enoxaparin resulted in significantly fewer endpoints compared to other treatments.

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.

Breakthrough mouse produced with both lesions associated with Alzheimer's

Researchers at Mayo Clinic have successfully bred mice with both amyloid plaques and neurofibrillary tangles, the key pathologic hallmarks of Alzheimer's disease. The double transgenic mouse model provides a more complete representation of human AD and will enable researchers to test therapies aimed at preventing or halting progression.

Brown scientists identify Tagish Lake meteorite's origin in space

Researchers use reflectance spectroscopy to determine the meteorite's composition, providing clues about early solar chemical evolution and differing from any seen in meteorites so far. The findings were published by NASA's Johnson Space Center and Brown University, funded by grants from NASA.

How brain cells “remember” their birth order

Researchers found that Drosophila neural precursor cells sequentially activate four different transcription factors, allowing them to maintain differences based on their time of birth. This 'memory' is crucial for normal brain development and may have implications for understanding human neural development.

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.

Social stress may trigger problems in immune system

A study found that socially stressed mice were twice as likely to die after infection with a compound than physically stressed mice. The researchers believe social stress intensified the immune response, leading to toxic shock and organ damage.

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.

Heavy metal stars

A team of Belgian and French astronomers have discovered three distant stars with extremely high Lead abundances, exceeding other elements heavier than Iron. This finding aligns with current stellar models predicting the buildup of heavy elements in stellar interiors.

ORNL, IBM pooling talents to examine diseases

The partnership aims to explore the impact of protein folding on diseases using IBM's Blue Gene research project and ORNL's supercomputing power. This effort will scale computer performance to petaflops, enabling breakthroughs in biology, climate science, and nanotechnology.

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.

Among the Mayas, writers for defeated kings met a cruel fate

Researchers have shed light on the brutal treatment of Maya scribes who supported defeated kings. The scribes' fingers were broken before they were executed, as part of a bizarre practice that muffled their ability to produce powerful texts. This practice highlights the importance of these scribes in Maya society.

Immune cell suspected of halting proper immune system function

Researchers at Ohio State University found that social stress makes specific immune cells resistant to corticosterone, a hormone regulating inflammation. This resistance can lead to uncontrolled inflammation, increasing the severity of infections and tissue damage.

Prison population swells under Republican presidents, study says

A new study from Ohio State University finds that Republican presidents are associated with increased US prison populations. The research controlled for various factors and found a significant correlation between Republican administrations and rising prison rates.

Exploring the frontier of ultra-small electronics

Two Cornell University researchers are working on separate projects to develop new devices that could lead to huge increases in data storage and processing speed. George Malliaras is investigating the electrical properties of individual molecules, while Robert Buhrman is studying spin manipulation and quantum manipulation.

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.

Novel surface analyzer effective in detecting chemical warfare agents

Scientists use ion-trap secondary ion mass spectrometer (IT-SIMS) to detect chemical warfare agents like HD and VX at part-per-million levels. The technique offers increased specificity, speed, and minimal sample preparation, making it ideal for environmental restoration and national security applications.

Playground bullies healthier than their victims

Research shows that children who bully others have fewer health problems than their victims, while those who are both bully and victim experience more physical and psychosomatic issues. Breaking the cycle of bullying in early primary school years is crucial to prevent long-term health problems.

New model of staph drug resistance implicates unlikely protein

Researchers at Rockefeller University have identified a new model of staph drug resistance that implicates an unlikely protein. The study shows that the mecA gene confers resistance to methicillin and other antibiotics by coding for a different PBP, which is not destroyed by beta-lactam antibiotics.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.