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Science News Archive 2007


Page 187 of 203

Children who sleep less more likely to be overweight

A Northwestern University study found that getting inadequate sleep increases the risk of being overweight in children. The five-year study, conducted on a nationally representative sample of 2,182 children aged 3-18, suggests that even an extra hour of sleep can reduce a child's chance of being overweight.

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.

Enhancing activity of marijuana-like chemicals in brain helps treat

A Stanford University study suggests that boosting endocannabinoid levels in the brain may be a new treatment approach for Parkinson's disease. Researchers combined a drug with an experimental compound to trigger improved movement in mice with a condition similar to Parkinson's, showing promising results.

Horse genome assembled

The horse genome sequence has been successfully assembled, offering a comprehensive understanding of the equine genome. The data provides valuable insights into genetic variations in horses, which can help identify the causes of various diseases affecting these animals.

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.

Mimicking how the brain recognizes street scenes

Researchers developed a biological model of visual processing inspired by the brain to recognize objects in busy street scenes. The model achieved surprising versatility and learned from examples, validating biologically-inspired computer science.

First 2-D Pictures of a 'frequency comb' transform it into a brush

Researchers at NIST have taken the first two-dimensional pictures of a frequency comb, revealing colors and intensity of all lightwaves simultaneously. The technique transforms the comb into a twodimensional brush, enabling scientists to measure and manipulate optical frequencies in a massively parallel manner.

Apple iPhone 17 Pro

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

Take more breaks to avoid back injury at work, study says

A new study from Ohio State University found that workers who lift for a living need to take longer or more frequent breaks than they now do to avoid back injury. Taking regular breaks helps muscles recover and reduces the risk of fatigue-related back injuries.

Children's sleep problems can lead to school problems

A new study reveals that African-American and poor children are more vulnerable to the effects of sleep disruption on their cognitive function, with poorer performance on school-related tests. The study suggests that health-related disparities between different groups of American children have important consequences.

Chlamydia vaccine a step closer to reality

Researchers have identified certain proteins that can protect against Chlamydia infection and are working towards developing a vaccine for adolescent women. The funding boost will allow QUT to evaluate the effectiveness of prevention methods, including a potential patch-based delivery system.

Prehistoric origins of stomach ulcers uncovered

A recent study reveals that the bacteria causing most painful stomach ulcers has been present in humans since modern man migrated from Africa over 60,000 years ago. The research provides new insights into early human migration and offers a way to study the diversification of human populations.

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.

In tiny supercooled clouds, physicists exchange light and matter

Researchers at Harvard University have successfully stopped, store, and revive a light pulse in two separate locations using supercooled sodium clouds. This technique enables precise control over optical information and has potential applications in quantum information processing and cryptography.

Study shows largest North America climate change in 65 million years

A recent study published in Nature documents the largest climate change in North America over the past 65 million years, with fossilized teeth revealing a temperature drop of nearly 15 degrees Fahrenheit. The Eocene-to-Oligocene transition saw massive changes in ocean currents and life extinctions.

Forensic photography brings color back to ancient textiles

Researchers at Ohio State University used forensic photography to analyze ancient textiles from Hopewell burial mounds, revealing previously hidden patterns and markings. The technique helps minimize damage during sampling, providing valuable information about prehistoric Native American technologies and colorants.

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.

Older adults face double whammy when it comes to body fat

New research found that older adults gain fat and lose lean mass each year until age 80, contributing to disability. The study also revealed that those born later experienced higher body fat percentages, highlighting the impact of the obesity epidemic on aging

International consortium to get to heart of coronary artery disease

An international consortium, led by Professor Dominique Gauguier, aims to understand the complex causes of coronary artery disease (CAD) and develop effective treatments. The project will use advanced genomics techniques to identify biomarkers for predicting CAD risk factors, offering insights into disease diagnosis and prevention.

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.

Fighting influenza and co. with 40,000 blood samples

An international EU project led by the University of Bonn aims to shed light on why the immune system weakens with age, particularly in elderly people. The researchers will analyze up to 40,000 blood samples to develop new medicines that can largely inactivate viruses and enable the immune system to deal with residual viruses.

New data shakes accepted models of collisions of the Earth's crust

Researchers used GPS to record precise movements of hundreds of points on the Asian continent over 10 years, finding that most of Asia behaves like a 'c ceramic plate' while some areas, such as Tibet, deform more like Play-Doh. The findings challenge long-standing theories and provide new insights into continental deformation.

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.

Machine learning could speed up radiation therapy for cancer patients

A new computer-based technique has the potential to automatically determine acceptable radiation plans in a matter of minutes, reducing the need for hours of manual tuning. The algorithm was tested on 10 prostate cancer patients and found to be effective in determining clinically acceptable treatment plans.

Scientists learn the origin of rogue B cells

Researchers at NIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases found that up to 10% of B cells retain faulty receptors, escaping correction. This discovery sheds light on the development of self-reactive B cells in autoimmune disease.

NASA's largest space telescope mirror will see deeper into space

The James Webb Space Telescope's mirror blanks have been constructed, forming a mirror over seven times larger than the Hubble Telescope's mirror. The larger mirror enables excellent resolution and sensitivity, allowing scientists to see back to the formation of the first galaxies after the Big Bang.

Risk of extinction accelerated due to interacting human threats

A new study found that the simultaneous effect of habitat fragmentation, overexploitation, and climate warming accelerates population decline and increases the risk of extinction. Experimental microcosm populations of rotifers showed significant declines under individual threats, but even faster declines when exposed to multiple threats.

Woven scaffolds could improve cartilage repair

Duke University researchers developed a three-dimensional fabric scaffold for cartilage repair using patient stem cells. The new technology could treat larger areas of cartilage damage and provide more effective results than current therapies.

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.

2 new studies back vitamin D for cancer prevention

New studies using meta-analysis found a significant link between high vitamin D levels and reduced risk of breast and colorectal cancers. Individuals with the highest blood levels of 25-hydroxyvitamin D had the lowest risk of these cancers, with potential protective effects achievable through diet, supplements, or sunlight exposure.

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.

Methane bubbling through seafloor creates undersea hills

Researchers propose an alternative hypothesis for pingo-like features forming underwater: methane hydrate decomposing beneath the seafloor releases gas, squeezing up sediments. Geologic fieldwork and chemical analysis suggest warming seafloor sediment triggers decomposition of buried hydrates.

Nanotechnology key to China's future economic success

China's growing investment in nanoscience aims to capture a significant share of the $3 trillion global nanotech market. The country plans to increase its research and development capabilities over the next 15 years, with a focus on emerging technologies like nanotechnology.

Selectivity is ultimate aphrodisiac

A new study found that those who desire all potential partners equally are less likely to be desired in return, while those who have a special connection with one person are more likely to receive romantic interest. Researchers used speed-dating methodology to observe initial attraction and discovered that being too selective can be a ...

Male sweat boosts women's hormone levels

A new study by UC Berkeley scientists finds that male sweat contains a chemical called androstadienone, which increases cortisol levels and affects women's hormonal balance. The study suggests that inhaling this chemical could be used to raise cortisol levels in patients with diseases like Addison's disease.

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.

Drug used in coronary artery bypass graft surgery may increase risk of death

A new study found that patients who received aprotinin during coronary artery bypass graft surgery had a higher risk of death over five years compared to those who did not receive the drug. The study, published in JAMA, also found that safer alternatives like aminocaproic acid and tranexamic acid were available.

Immigration slows rate of racial and ethnic intermarriages

A new study finds that immigration has contributed to declines in interracial marriages in the US, particularly among Hispanic and Asian Americans. Education plays a key role in defining who participates in interracial marriages, with highly educated individuals more likely to cross racial lines to marry. African American intermarriage...

No reliable risk factors found for CA-MRSA

Studies by LA BioMed researchers found that close contacts of patients with CA-MRSA infection may be at higher risk of acquiring an infection. The findings suggest that CA-MRSA strains are more transmissible than traditional S. aureus strains, emphasizing the need for cautious treatment and contact isolation.

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.

Power-boosting signal in muscle declines with age

Aging animals show reduced AMPK activity in skeletal muscle, leading to decreased mitochondrial function and increased intracellular fat content. This decline contributes to insulin resistance and type 2 diabetes.

Prevalence of overactive bladder is overestimated

A recent study suggests that overactive bladder is less common in Finland than previously thought. The condition was identified in 6.5% of men and 9.3% of women, with urinary frequency and nocturia being more prevalent among those with the condition.

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.

Vitamins: Science doesn't always match policy

Renowned nutrition expert Dr. Irwin Rosenberg emphasizes the need for more research on vitamins and minerals, highlighting the limitations of current evidence. He advocates for standardized regulations on multivitamin products to ensure customer safety and informed marketing.

New player in commitment to life as a fat cell

Researchers discover xanthine oxidoreductase (XOR) as a key player in early fat cell development, suggesting potential for new obesity treatment. XOR inhibition blocks fat formation and improves metabolic outcomes in mice.

Fluke 87V Industrial Digital Multimeter

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

Other highlights in the February 7 JNCI

A new study found that hairy cell leukemia survivors have an increased risk of developing certain cancers, including Hodgkin lymphoma and thyroid cancer. Meanwhile, a new test may be able to identify patients with a specific type of gene mutation that indicates an inherited form of colorectal cancer or potential response to certain drugs.

Navigable nanotransport

Researchers have developed a novel approach for the direct synthesis of polymeric nanocapsules with surface elements that can recognize specific target cells. The method uses disk-shaped monomers with polymerizable groups, which link together to form hollow spheres with uniform sizes and tailored surfaces.