Bluesky Facebook Reddit Email

Science News Archive August 2009


Page 7 of 22

Scientists discover new species of crustacean on Lanzarote

A team of scientists has discovered a previously unknown species of crustacean, Speleonectes atlantida, in the Tunnel de la Atlantida lava tube on Lanzarote. The new species is morphologically similar to another remipede found in the same cave system and is believed to be an ancient relic isolated from the main Caribbean group.

New technique can help diagnose mesothelioma

A new technique measuring pleural fluid mesothelin levels shows great promise in diagnosing mesothelioma. The study found that patients with mesothelioma had significantly higher levels of mesothelin than those with other conditions, allowing for a more accurate diagnosis.

NASA expands high-end computing system for climate simulation

NASA's Goddard Space Flight Center has expanded its high-end computing system to support climate simulations, including the Intergovernmental Panel on Climate Change (IPCC). The new system, powered by Intel's Nehalem architecture, will enable faster and more accurate climate modeling.

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.

The burden of noncommunicable disease in South Africa

The number of people aged 60 or over in South Africa is projected to triple by 2025, leading to a doubling of cardiovascular deaths. The burden of non-communicable diseases is expected to increase as antiretroviral therapy reduces mortality from HIV/AIDS.

US crop yields could wilt in heat

A study predicts that US crop yields could decrease by 30-46% over the next century under slow global warming scenarios and by 63-82% under rapid scenarios. Crop yields are most vulnerable to temperatures above 29-32 degrees Celsius, depending on the crop.

Misfolded proteins: The fundamental problem is aging

Researchers discovered protein misfolding coincides with loss of heat shock response in C. elegans, suggesting protective mechanism deficient during aging. Early intervention with a 'vitamin' equivalent boosts heat shock response, delaying protein misfolding and extending lifespan.

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.

Smoking increases risk of developing active TB

A recent study found that smoking is a significant risk factor for active tuberculosis (TB), with current smokers twice as likely to develop active TB as never-smokers. The study analyzed data from nearly 17,000 individuals in Taiwan and found that younger smokers were more likely to develop active TB.

Strong link found between concussions and brain tissue injury

Researchers at Albert Einstein College of Medicine found a strong link between concussions and brain tissue injury, using diffusion tensor imaging (DTI) to detect subtle changes in the brain. The study suggests that DTI scanning could help diagnose concussions and predict lasting loss of executive function.

Program trains speech-language teachers to aid immigrant children in rural areas

The MOSAIC program is a four-year training initiative for graduate students to work with immigrant children learning English as a second language. The program addresses inadequate training of speech-language pathologists to diagnose communication disorders in multilingual children, targeting rural states with high numbers of ESL learners.

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.

Low-carb diets linked to atherosclerosis and impaired blood vessel growth

A study led by Beth Israel Deaconess Medical Center found that mice on low-carb diets developed significantly more atherosclerosis and had impaired ability to form new blood vessels compared to those on Western or standard diets. Standard markers of cardiovascular risk, including cholesterol, were not affected.

Fly eyes help researchers 'see' new proteins involved in memory

A study published in the journal Genetics identified five new proteins necessary for memory, providing insight into fragile X mental retardation. The researchers used an artificial system to analyze the eye deformities caused by overexpression of a key protein, revealing that each protein is required for its function.

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.

When cells run out of fuel

Parkinson-associated genes PINK1 and Parkin functionally interact to maintain mitochondrial function, impairing neuron loss

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.

Decreased bone mineral density in adults born with very low birth weight

A study published in PLOS Medicine found that adults born with very low birth weight have significantly lower bone mineral density compared to their term-born peers. This increased risk of osteoporosis in adulthood highlights the importance of monitoring and addressing this issue for individuals born preterm.

Scientists shed new light on behavior of shark 'tweens' and 'teenagers'

A 14-year study found that young lemon sharks born at the Bimini islands in the Bahamas tend to stay near their coastal birthplace for many years. This knowledge could be crucial for conservation efforts, as it suggests that local management measures can protect these intermediate-aged sharks from overfishing and habitat destruction.

Apple iPhone 17 Pro

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

Researchers find saying 'I'm sorry' influences jurors

Researchers found that apologizing or using a first-person justification can result in lower frequencies of negligence verdicts against auditors. Apologies reduce the need for jurors to assign blame, while justifications influence their perception of the auditor's actions as reasonable and in accordance with professional standards.

Lower-cost solar cells to be printed like newspaper, painted on rooftops

Researchers at the University of Texas at Austin have developed a new method to produce lower-cost solar cells using nanoparticle inks that can be printed like newspaper or painted onto surfaces. The goal is to reduce production costs by one-tenth, making solar energy more competitive with fossil fuels.

Twitter and health care -- can a tweet a day keep the doctor away?

The use of Twitter for healthcare communication offers numerous benefits, including fast and easy dissemination of time-critical information such as disaster alerts and drug safety warnings. However, caution is needed to preserve confidentiality and patient privacy in the clinical care setting.

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.

Microbiologists find defense molecule that senses respiratory viruses

Microbiologists at the University of Texas Health Science Center have discovered a cellular molecule called NOD2 that recognizes two common respiratory viruses and directs cells to mount a defense. The finding holds promise for new therapies against human RSV and influenza A, particularly among vulnerable populations.

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.

'Glow-in-the-dark' red blood cells made from human stem cells

Researchers have successfully modified a human embryonic stem cell line to glow red when it becomes a red blood cell, representing a significant step towards generating mature red blood cells from human stem cells. This breakthrough could aid in tracking the differentiation of embryonic stem cells into specific cell types.

Some brain tumors may be mediated by tiny filament on cells

Researchers at UCSF discovered a tiny filament extending from brain cells, known as primary cilia, may play a role in the most common malignant brain tumor in children. The study found that primary cilia are present in some tumors but absent in others, suggesting they may be used by cancer cells to grow.

Lightning's mirror image ... only much bigger

Researchers captured a one-second image of gigantic jets, which are highly charged meteorological events that flash up to the lower levels of space. The study reveals that these events have comparable electrical charges to conventional lightning, but travel farther and faster due to thinner air.

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.

Fragile period of childhood brain development could underlie epilepsy

Researchers at Beth Israel Deaconess Medical Center discovered a genetic link between childhood brain development and adult-onset epilepsy, highlighting the fragility of the brain during early childhood. The study identifies a new pathway controlling neuron circuit maturation, which may lead to new therapies for this condition.

Off-label use: Oft not evidence based

A recent national survey found that physicians inaccurately believed in the FDA approval status of 22 drug-indication pairs, including lorazepam for chronic anxiety and quetiapine for dementia with agitation. The study highlights the need for better methods to inform physicians about the level of evidence supporting off-label drug use.

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.

Long-term exercise, healthy eating habits in young adults: U-M study

A University of Michigan study analyzed 23-year patterns in weight-related activities among 17,314 young adults, revealing consistent disparities in health behaviors by gender, race, and socioeconomic status. The study found that young women exercised less than men, while black and Hispanic women had lower fruit and vegetable consumption.

Ghostwriting documents now fully available on PLoS Medicine Web site

The PLOS Medicine journal has made all 1500 ghostwriting documents publicly available, revealing a coordinated campaign by Wyeth and medical writing companies to promote hormone drugs. The editors call for action to eradicate ghost-writing, including retraction of papers and investigation by academic institutions.

Impaired transport in neurons triggers prion disease

A new study reveals that impaired axonal transport in neurons is a key factor in the development of prion diseases. The research shows that clinical symptoms correlate with reduced axonal transport in specific brain centers, providing new insights into the disease.

Dartmouth researchers propose new way to reproduce a black hole

Dartmouth researchers have proposed a new method to create tiny quantum-sized black holes in the laboratory, allowing for better understanding of Hawking radiation. The SQUID-based setup enables exploration of analogue quantum gravitational effects and may be more straightforward for detecting Hawking radiation.

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.

UCSF researchers identify 2 key pathways in adaptive response

Researchers identified two core structures, a negative feedback loop and feed-forward loop, that enable cells to adapt to changing environments. These findings have potential applications in targeted drug development for complex diseases like diabetes and cancer.

Fecal DNA methylation detects gastric and colorectal cancers

A new study published in the Journal of the National Cancer Institute found that fecal DNA methylation can detect gastric and colorectal cancers. Methylation patterns were more likely to be found in advanced tumors, with detection rates of 57% for gastric cancer patients and 75% for colorectal cancer patients.

Robot's gentle touch aids delicate cancer surgery

Researchers have created a robot-controlled palpating device that detects tumors with 40% more accuracy than humans, reducing tissue damage by over 35%. The device applies consistent force in each step, producing a complete map of the tissue.

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.

Gene discovery reveals a critical protein's function in hearing

A new protein has been identified as crucial for protecting sensory cells in the ear, according to a study led by University of Iowa researchers. The protein, claudin-9, helps maintain the separation of potassium ions between cells, preventing intoxication and functional defects.

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.

NASA, AFOSR test environmentally friendly rocket propellant

Researchers at NASA and AFOSR successfully launched a small rocket using an environmentally-friendly propellant called ALICE, which has the potential to replace traditional propellants. The test achieved a maximum thrust of 650 pounds and showed promise for future space missions.

NASA watches as Hurricane Bill sweeps over Bermuda

Hurricane Bill brings heavy rainfall to Bermuda, with NASA satellites capturing detailed data on rainfall, clouds, and winds. The storm is expected to produce total rain accumulations of 1-3 inches over Bermuda and affect the eastern US coast.

Study demonstrates how we support our false beliefs

A study published in Sociological Inquiry examines why people form false beliefs, such as the link between Saddam Hussein and 9/11, despite a lack of evidence. Researchers found that motivated reasoning, a cognitive theory, plays a significant role in shaping these beliefs.