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Science News Archive April 2010


Page 6 of 24

Human brain recognizes and reacts to race

Research at University of Toronto Scarborough found that the human brain is more reactive to people of one's own race, producing significantly more motor-cortex activity, whereas observing others from a different race results in reduced activity. The study suggests that this phenomenon may contribute to prejudice and limited empathy.

Interruptions associated with medication errors by nurses

Nurses who are interrupted while administering medication appear to have an increased risk of making medication errors. Interruptions during task preparation and administration contribute to inefficiency and errors, according to a report in the Archives of Internal Medicine.

Apple iPhone 17 Pro

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

New understanding of gating mechanism of CFTR chloride channel

The study provides strong evidence that the NBD dimer does not fully dissociate in each gating cycle, proposing a new gating model for CFTR with two distinct cycles. This advancement sheds light on the chloride channel's behavior and may lead to improved treatments for cystic fibrosis patients.

Scientists discover underwater asphalt volcanoes

Underwater asphalt volcanoes, 10 miles off Santa Barbara coast, discovered by scientists funded by NSF, are 700 feet deep and 1 km apart. The structures were formed 30,000-40,000 years ago from petroleum flow, and were a prolific source of methane.

JCI table of contents: April 26, 2010

Researchers found that folic acid promotes nerve cell regeneration in injured rodents through a molecular pathway. Additionally, two separate studies identified distinct roles for proteins PLA2s in male fertility and sperm function, suggesting potential targets for new contraceptive agents and treatments for infertility.

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.

Song receives ACS's Henry H. Storch Award in Fuel Chemistry

Chunshan Song has been awarded the Henry H. Storch Award in Fuel Chemistry by the American Chemical Society for his outstanding contributions to clean fuels and catalysis research. His work focuses on developing innovative methods for producing advanced thermally stable jet fuels and removing sulfur from liquid hydrocarbon fuels.

New requirements for male fertility

Researchers have identified two proteins, sPLA2-III and group X secreted PLA2 (mGX), as crucial for sperm function and fertility in mice. Mice lacking these proteins had decreased fertility due to impaired sperm maturation and fertilization efficiency.

State biofuel subsidies costly but effective, MSU research shows

A new study by MSU researchers suggests that state biofuel subsidies can be costly, but also highly effective in attracting ethanol producers to the industry. The study found that larger subsidies and tax credits increase the likelihood of an ethanol plant locating in a state.

Keeping kids away from R-rated movies may prevent early drinking

A study of nearly 3,600 New England middle school students found that those whose parents restricted access to R-rated movies were substantially less likely to start drinking. The researchers suggest that parental attention to children's media exposure is crucial and recommend limiting exposure to adult content.

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.

Reward-driven people win more, even when no reward at stake

Researchers found that individuals with high competitiveness and sensitivity to rewards perform better without a monetary incentive, relying on 'proactive cognitive control' to guide their actions. Brain scans revealed changes in lateral prefrontal cortex activity linked to extra behavioral benefits.

Smarter lunchrooms lead kids to eat more salad

Researchers at Cornell University's Food & Brand Lab found that moving the salad bar to a more prominent location in the cafeteria led to a 250-300% increase in sales of certain salad items. This simple change resulted in 6% more kids eating school lunches.

Scientists favor needles over tablets for global vaccinations

Researchers at the Trudeau Institute discovered that cytokines can influence immune responses to subsequent infections and vaccination procedures. This knowledge provides a potential explanation for why chronic infections can alter immune responses to vaccines. Needle vaccinations may be more effective in regions where people are alrea...

New hope exists in treating inherited disease by suppressing DNA mutations

Researchers have made significant progress in treating inherited diseases by suppressing DNA mutations, with a promising experimental drug ataluren showing potential for cystic fibrosis treatment. The drug's selectiveness offers hope for targeting specific disease-causing mutations while sparing healthy genes.

Cuckoo chicks in zebra finches

Female zebra finches often outsource parental care to neighbors, with 1 in 20 eggs being a 'cuckoo egg'. Most cuckoo eggs are laid shortly before the host parents start breeding.

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.

4 unhealthy behaviors combine to increase death risk

Combining four unhealthy behaviors like smoking, lack of physical activity, and poor diet increases death risk. Individuals with all four behaviors had about three times the risk of dying from cardiovascular disease or cancer.

86 percent of disadvantaged preschoolers lack basic motor skills

A new study found that disadvantaged urban preschoolers are at risk of developmental delays in basic motor skills, such as running and catching. The researchers evaluated 469 preschool students and found that 86% scored below the 30th percentile, which is considered developmentally delayed.

Tackling blood stem cell heterogeneity

A study published in Journal of Experimental Medicine identifies distinct HSC populations with varying propensities to generate specific blood cell types. The research reveals that high CD150 expression is associated with a 'latent' or 'delayed' ability to generate new blood cells.

Patients, clinicians favor disclosure of financial ties to industry

A review of studies suggests patients and research participants believe financial relationships between medicine and industry should be disclosed due to potential bias in research and clinical care. Disclosure has been recommended or required by medical associations and policymakers, but its impact on decision-making remains unknown.

Fuel cells get up to speed with a new kind of platinum

Researchers have developed a new form of platinum that could make cheaper and more efficient fuel cells. The process, which uses a copper-platinum alloy, reduces the amount of platinum required in fuel cells from 100 grams to just 20 grams, potentially enabling widespread adoption.

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.

Study: Celebrity endorsements do not help political candidates

Two studies by North Carolina State University found that celebrity endorsements do not sway voting behavior among young people, but can sometimes decrease support. Celebrity endorsements were also shown to backfire on the celebrities themselves, leading to negative perceptions.

New study: The kitchen-counter diet

A new study found that keeping serving dishes off the table can lead to a reduction in food consumption, with participants eating 20% fewer calories. The strategy can also be used to encourage healthier food choices, such as choosing fruits and vegetables over processed snacks.

LA BioMed awarded research grant to study HIV prevention gel

LA BioMed is participating in the international IPM020 study of a dapivirine-containing microbicide gel to evaluate its safety and absorption. The study aims to reduce HIV transmission among women, with the goal of reducing the cycle of infection that has led to millions of deaths worldwide.

Are research participants safe enough?

The article warns that overly restrictive regulations in clinical trials are stifling innovation and hindering patient safety. The authors advocate for the development of study-specific standards to address these issues, ensuring a balance between protection and progress.

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.

Is it safe to breathe yet?

A team of researchers, led by Dr. Peter Sunderland, has created a double-flame burner to improve our understanding of soot formation and oxidation. This innovation aims to design cleaner and more efficient engines that reduce pollution and harm lung diseases.

Molecular marker could help spot pancreatic cancer early

Researchers at UNC identified a molecular marker of pancreatic cancer that may help diagnose the disease earlier. A specific form of a protein called palladin is produced in large amounts in tumor-associated fibroblasts surrounding a pancreatic tumor, making it a potential diagnostic tool.

Stealthy leads to healthy in effort to improve diet, Stanford study shows

A Stanford study suggests that a 'stealth' strategy of raising students' awareness of environmental and social issues related to food can persuade them to eat more veggies and less ice cream. The study found improvements in veggie consumption and attitudes towards healthy eating among students taking a 'Food and Society' course.

Fluke 87V Industrial Digital Multimeter

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

Changing 'channels' to eliminate chronic pain

Dr. Joel Hirsch's research provides new information on how calcium channels work and offers a framework for designing drugs that can modulate them to provide relief from chronic pain. The discovery has the potential to lead to new treatments for conditions such as backaches, sore limbs, and arthritis.

Scientists get bird's-eye view of how cuckoos fool their hosts

Researchers discovered that birds use complex patterns and color to detect foreign eggs, but surprisingly, they don't rely on the unique scribbles found only on host eggs. This finding offers insights into a 20 million-year-old evolutionary arms race between cuckoo parasites and their hosts.

Scientists crack code of critical bacterial defense mechanism

Researchers have successfully reproduced a key component of bacterial lipopolysaccharide structures, allowing for deeper understanding of their growth and potential antibiotic targets. The discovery could lead to the development of new treatments against Gram-negative bacteria.

Studying altered brain cells sheds light on epilepsy

Researchers discovered that changes in astrocytes disrupt signal control, leading to seizures. The study found that altering reactive astrocytosis reduced inhibition, allowing neurons to fire out of control and potentially developing new treatments for epilepsy.

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.

Putting bacterial antibiotic resistance into reverse

Researchers find that combining certain antibiotics can halt bacterial evolution and favor non-resistant strains, potentially reversing the trend of antibiotic resistance. This approach could lead to identifying novel drug combinations that hinder resistance development without compromising effectiveness.

Montana State chemists unravel secrets of unique enzyme

Researchers determined the structure of an intermediate enzyme form participating in fundamental biology reactions. The discovery sheds light on life's origins and potential applications in producing renewable fuels and fighting pollution.

Worm genes KO'd

Researchers at the University of Utah have developed a procedure to delete specific genes from nematode worms, allowing them to infer the function of each gene and thereby understand human gene regulation. The technique, called MosDel, uses a transposon to cut out genes and exploit cell DNA repair mechanisms.

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.

Study suggests a much earlier onset for bone problems

Researchers from North Carolina State University found that very early calcium nutrition can impact long-term skeletal health. The study involved piglets fed a calcium-rich or deficient diet during infancy, resulting in marked differences in bone density and strength. This suggests that early nutritional programming may predispose indi...

Targeting a waterborne foe

Researchers have identified a potential drug target in the parasite life cycle, which could block its ability to infect humans. Cryptosporidium oocysts are stable outside a host and resistant to conventional water treatment methods.

Better vitamin D status could mean better quality of life for seniors

Research suggests that optimal vitamin D levels are associated with better physical function in seniors, which can improve their overall quality of life. The study found that participants with higher circulating 25-hydroxyvitamin D had better physical function, including improved walking ability and balance.

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.

Brain-like computing on an organic molecular layer

Researchers have created a brain-like 'evolutionary circuit' in an organic molecular layer that can solve complex problems, mimicking natural phenomena like heat diffusion and cancer cell evolution. The processor also exhibits self-healing properties, unlike existing man-made computers.

WHOI scientists find ancient asphalt domes off California coast

Researchers from the Woods Hole Oceanographic Institution and UC Santa Barbara found massive asphalt domes 10 miles offshore, 35,000 years old, containing over 100,000 tons of residual asphalt. The structures are home to a thriving ecosystem, with scientists studying their chemical composition, age, and purpose.

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.

Clinical study supports benefit of breastfeeding support for obese women

A clinical study found that intensive breastfeeding support for obese women significantly improves breastfeeding success rates and infant health outcomes, including lower hospitalization rates for respiratory infections. The study involved 154 overweight or obese women who received either standard information or intensive peer counseli...

Cedars-Sinai heart transplantation tip sheet

Researchers at Cedars-Sinai Heart Institute found that pre-transplant smoking increases the risk of non-fatal cardiac events, while homeless donors are associated with higher complications and poor outcomes. Donor demographics also play a role in transplant survival rates, with males receiving opposite-gender hearts having worse outcomes.

Return of top predators is key to ecological future

Cristina Eisenberg's new book highlights the importance of top predators in maintaining healthy ecosystems. Research shows that keystone predators like wolves, cougars, and bears play a critical role in controlling population growth and preventing overgrazing.

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.

New computational method to uncover gene regulation

Scientists developed a new computational model to identify targets of regulator genes in the human genome. The method combines biochemical and probabilistic modeling to uncover physical models of cell regulation, offering promise for improving understanding of biological systems.

$1.7 million keeps McGill on edge

The McGill University researchers will be working on various projects, including cancer research and bone degeneration, using the new funding. The Canada Foundation for Innovation's investment will help develop Canada's global reputation as a place where outstanding research and training is being conducted.