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Science News Archive 2004


Page 101 of 135

When 'switched on' muscle stem cells morph to resemble nerve cells

Researchers successfully converted muscle stem cells into cells showing properties of neurons through the use of an artificial gene. This breakthrough suggests that stem cells may be 'flexible' and able to develop into different cell types, paving the way for potential neuroregeneration techniques.

Newborn lambs' central heating system could aid fat busting in humans

Researchers at Imperial College London have discovered a key to tackling obesity in humans by studying the thermal regulation system of newborn lambs. The study found that a molecular switch controls the transformation of brown fat into normal white fat, and that activating this switch could potentially lead to new weight loss techniques.

New proteomics core at OHSU will speed discovery process

The Proteomics Shared Resource at OHSU enables faster and more precise protein identification, processing up to 180 samples in six hours. The lab's advanced technology, including a robotic arm and mass spectrometer, helps researchers analyze proteins and identify their composition.

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.

UA planetary scientist to testify before Presidential commission Friday

Jonathan I. Lunine, a renowned planetary scientist, will testify before the President's Commission on Implementation of U.S. Space Exploration Policy about detecting other Earths around nearby stars. He suggests developing medium-sized optical and infrared space telescopes, the Terrestrial Planet Finder, which could discover habitable ...

Sleep problems in early childhood may predict substance use during adolescence

A longitudinal study found that early childhood sleep problems predicted substance abuse during adolescence, with around half of children experiencing sleep issues also starting to use substances at an early age. Researchers hope that identifying and treating sleep problems early on may help prevent later substance-use problems.

Study reveals poor Houston air quality

A study by Texas A&M University reveals Houston's air quality is severely impacted due to industrial emissions and auto exhaust, posing a significant health risk to its 5 million residents. The city must take steps to curb its air pollution problems, including alternative energy sources and more efficient transportation.

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.

'Use it or lose it' warning rings true when it comes to exercise

Researchers found that older adults with chronic obstructive pulmonary disease (COPD) who continued to exercise regularly maintained improved cognitive, psychological, and physical function over a year, while those who stopped exercising experienced significant declines.

Evolution's mirror in a fish's spines

Scientists studying stickleback fish discovered that small changes in gene regulation can lead to rapid skeletal changes without disrupting essential genes. The researchers identified a single region on the chromosome responsible for most of the changes in spine and pelvic morphology, pointing to the key role of the Pitx1 gene.

Young chimpanzees show sex differences in learning

Young female chimpanzees learned to fish for termites at 31 months, while young males began playing and swinging around at 58 months. Females also copied their mothers' fishing techniques more closely, reflecting their adult sex roles.

Apple iPhone 17 Pro

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

By looking back, scientists see a bright future for climate change

A new climate model, LDEO5, has been developed by scientists at Columbia University that accurately predicted every major change in the tropical Pacific Ocean temperature over the past 150 years. The model suggests that ENSO is largely driven by internal relationships between ocean temperature and tropical winds.

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.

Batch control makes chemical reactions easier to manage

Researchers Eric van Sprang and Henk-Jan Ramaker developed a new control method for managing chemical reactions. The method takes into account the relationships between various process parameters, reducing the need for multiple univariate control charts and improving early detection of process disruptions.

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.

Decoding a sulfate-breathing bug

Researchers have decoded the genome of Desulfovibrio vulgaris, a microbe responsible for microbially-influenced corrosion. The analysis provides insights into the microbe's capacity and flexibility to reduce metals, potentially leading to new methods for preventing corrosion and remediating metallic pollutants.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Inspiring invention

The report 'INVENTION: Enhancing inventiveness for quality of life, competitiveness and sustainability' highlights the critical roles of invention and inventiveness in society. The National Science Foundation, along with the Lemelson-MIT Program, has examined the factors that drive invention.

Gene plays major role in formation of stem cells and cancer

Researchers discovered that gene BMI1 is essential for the multiplication of stem cells in the cerebellum, leading to an enormous growth of these cells. Overexpression of BMI1 was found in 8 of 12 medulloblastomas investigated, suggesting its contribution to brain tumour development.

New light shed on atrial fibrillation after bypass surgery

A new analysis of 4,657 patients undergoing coronary artery bypass surgery found that discontinuing beta blockers and ACE inhibitors can lead to abnormal accelerations in heart pumping known as atrial fibrillation. However, these medications also appear to offer protection against the condition. The study identified a risk index that c...

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.

Predicting cancer patient survival with gene expression data

Researchers develop a method to identify biologically significant cancer subtypes using gene expression data and patient clinical history, showing it's a powerful predictor of patient survival. The approach reduces the chances of including unrelated genes, increasing the probability of identifying clinically relevant subsets of genes.

Supercold, wiggling 'jelly' presents evidence of new kind of superfluidity

Researchers at Duke University have discovered signs of superfluid hydrodynamics in a degenerate gas of lithium-6 fermionic atoms. The findings suggest that these atoms can exhibit behavior characteristic of a fermionic superfluid, providing new insights for studying high-temperature superconductivity.

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.

Biologist's find alters the bacteria family tree

Blank's research challenges initial findings on cyanobacteria age, pinning emergence to 2.3 billion years ago using genetic analysis. This breakthrough also sheds light on eukaryote evolution and the development of mitochondria.

Transformation of heated meat substitutes is unpredictable

Researchers Francesca O'Kane used pea proteins to study the behavior of plant proteins when heated, forming a gel that can be repeatedly heated without losing strength or flexibility. This unique structure provides insight into protein aggregation and will help predict texture changes in meat substitutes.

Concrete floor cracks after 15 minutes of exposure to a fire

Research reveals that concrete floor slabs can develop vertical cracks within 14-16 minutes of fire exposure, leading to rapid weight loss. The new temperature-dependent model also finds that thick floors are more sensitive to thermal expansion than thin ones.

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.

Lung cancer now leading cause of cancer death in women

Women are more susceptible to lung cancer due to genetic mutations and hormonal changes, resulting in increased adenocarcinoma prevalence. Effective tobacco control measures are crucial to prevent a similar surge in lung cancer rates among women in developing countries.

Cinnamon may help to alleviate diabetes says UCSB researcher

Researchers at UCSB are studying cinnamon's effects on mice with diabetes, finding a compound that has insulin-like activity and may help alleviate the condition. The study aims to explore the potential of cinnamon as a natural treatment for type II diabetes, which affects over 170 million people worldwide.

Damage to brain vessels increases the chance of dementia and depression

Elderly individuals with white matter abnormalities and infarcts exhibited accelerated cognitive decline compared to those with fewer abnormalities. A serious increase in white matter lesions was associated with a higher risk of developing dementia and depression over a period of five years.

Aha! Cognitive neuroscientists reveal creative brain processes

Research by Mark Jung-Beeman and colleagues found increased neural activity in the right temporal lobe when solving problems with insight, suggesting a distinct computational and neural mechanism. This suggests that creative thinking relies on at least one unique brain process that involves reinterpretation and integration of information.

Fish no exception to trend in marine-organism disease

A long-term study by Cornell University finds that marine-organism disease is increasing in some taxa, such as turtles and mammals, but declining in fish due to over-fishing. However, disease rates are still too low to be observed for many populations of wild fish.

Celestron NexStar 8SE Computerized Telescope

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

Researchers go fishing, pull out antigens

Scientists have created a system to identify specific protein fragments bound to T cells, allowing researchers to better understand the immune system's attack on foreign invaders. The breakthrough could lead to major advancements in preventing and treating autoimmune diseases like rheumatoid arthritis.

Culture of primate non-aggression

In a groundbreaking study, Robert Sapolsky and Lisa Share found evidence of a pacific culture among wild olive baboons in Kenya, where males became less aggressive after an outbreak of TB. This unique cultural tradition suggests that females may play a key role in regulating male behavior.

Salt-tolerant rice requires careful selection

Researchers found that salt-tolerant rice varieties can be accurately predicted using DNA markers and a crop growth model, allowing breeders to select the best varieties for specific conditions. This is crucial for increasing yields in areas with sub-optimal conditions, such as those affected by salinity.

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.

Marine disease on the rise?

A new method by Jessica Ward and Kevin Lafferty confirms fears of rising distress in threatened populations, revealing a real underlying pattern in nature. Disease trends were found to increase in all groups except seagrasses, decapods, and sharks/rays, while fishes experienced decreased disease reports.

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.

Imaging the brain solving problems through insight

Studies using fMRI and EEG reveal a distinct neural activity pattern in the right hemisphere's anterior Superior Temporal Gyrus (aSTG) associated with insightful problem-solving. This finding suggests that insight involves integration of distantly related information, providing new insights into cognitive processes.

Alarming rise in incidence of lung cancer and death in women

A recent study has found a dramatic increase in lung cancer incidence in women, with many cases occurring in non-smokers who stopped smoking years ago. The study also reveals that women's response to targeted therapies is more favorable than men, raising questions about the differences between male and female lung cancer.

Reading test may validly estimate pre-dementia functioning

Researchers found that a widely used reading test, the National Adult Reading Test (NART), can accurately predict an individual's pre-dementia cognitive abilities. The study compared NART scores with IQ scores from childhood and showed no significant difference between demented and non-demented individuals in terms of NART scores.

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.

Leading causes of blindness for blacks and whites different

A study estimates that 937,000 Americans are blind, with white persons affected by age-related macular degeneration. The prevalence of visual impairment is expected to increase due to aging, with blacks and Hispanics more likely to be affected by cataracts and glaucoma.

Unmarried women say they feel misunderstood in doctors' offices

The Cancer Screening Project for Women found that unmarried women are less likely to obtain regular cancer screenings due to assumptions about their relationships. The study's findings suggest that a trusting relationship with at least one provider who knows about the woman's life and sexual history is crucial for her health care.

Timing of adverse events in hospital patients

Researchers studied 502 hospital patients and found that nearly two-thirds experienced an adverse event before admission, with many being preventable. The study emphasizes the need for improved patient safety through ambulatory care and hospital-based interventions.

Experiment harnesses state-of-the-art sequencing technology to detect life on Mars

A team of scientists led by UC Berkeley's Richard Mathies is developing the Mars Organic Analyzer to test for amino acid handedness, a crucial characteristic of life-based amino acids. The instrument aims to provide absolute proof of life on Mars, as detecting left-handed or right-handed amino acids could indicate biological activity.