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Science News Archive March 2010


Page 8 of 27

UAB testing software program to improve safety among older drivers

Researchers at UAB Center for Research in Applied Gerontology are testing InSight software to enhance reflexes and reaction time among senior adult drivers, aiming to reduce car crashes. The study involves training exercises on a computer screen and has the potential to help older adults maintain their cognitive function and mobility.

The largest Last Supper

A study analyzed 52 paintings of the Last Supper and found that portion size, plate size, and bread size increased dramatically over the past thousand years. The main courses depicted grew by 69%, while plate sizes increased by 66% and bread sizes by 23%.

Apple iPhone 17 Pro

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

Scientists share secret of how our cells make us tick

Researchers have identified the shape of a protein molecule at various stages as it breaks down sugar to produce energy, offering insights into how cells regulate their activities. This discovery could lead to the development of new treatments for diseases such as sleeping sickness.

Hair dye and smoking linked to progressive liver disease

Research involving over 5000 people found hair dye and smoking increase risk of primary biliary cirrhosis, a progressive autoimmune liver disease. Smoking was also more common among those with PBC compared to the general population.

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.

Men and women respond differently to stress

A University of Montreal study found that men and women respond differently to stress, with high blood pressure and heart rate in women who are more defensive. Older men with low defensive reactions have higher cardiovascular rates. The study suggests that socialization and maintaining self-esteem contribute to these responses.

Keeping queso fresco fresh

Researchers found that queso fresco can retain its characteristic texture for two months when stored at 39 degrees Fahrenheit, but breaks down at 50 degrees F. The study suggests lowering the supermarket display case temperature to improve shelf life and quality of this popular Mexican cheese.

20-year study yields precise model of tectonic-plate movements

A new model of tectonic-plate movements has been developed by University of Wisconsin-Madison geophysicist Chuck DeMets and his collaborators. The MORVEL model offers a precise description of the relative movements of 25 interlocking plates, accounting for 97% of the Earth's surface.

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.

The longevity revolution

A new study in the journal Political Insight suggests that older adults can play a pivotal role in their communities through dedicated volunteering and participation. The researchers argue that promoting lifelong learning and community action among older people can help them feel less overwhelmed and isolated, and may even lead to bett...

Counting frogs: Why monitoring our amphibian populations is important

A University of Montreal student is tracking the decline of frog species in Quebec, finding a slight decrease in frogs near Phragmites australis growth, but intact northern leopard frog populations. Experimental research aims to understand pH levels, oxygen, and temperature effects on amphibians in controlled water basins.

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.

Indian spice may delay liver damage and cirrhosis

Curcumin reduces bile duct blockage, liver cell damage, and scarring in mice with chronic liver inflammation. The spice interferes with chemical signalling pathways involved in the inflammatory process, offering a promising alternative to current treatments like ursodeoxycholic acid.

Probing the secrets of sharp memory in old age

Researchers have discovered elderly people with super-sharp memory who escaped formation of brain tangles, a hallmark of Alzheimer's disease. These 'super-aged' individuals were found to be protected from the negative effects of tangle formation.

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.

Mini generators make energy from random ambient vibrations

Researchers at the University of Michigan have developed mini generators that can produce electricity from random, non-periodic vibrations. These devices have the potential to power a range of applications, including remote wireless sensors and surgically implanted medical devices.

Community acquired MRSA infection rates are 6 times greater in HIV patients

Researchers at Rush University Medical Center found a significant association between HIV infection and community-acquired MRSA (CA-MRSA) rates. CA-MRSA cases were nearly six-fold higher in HIV-infected patients compared to those without HIV, highlighting the need for education and research into preventive strategies.

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.

Binge drinking doesn't affect next-day student test-taking

In a controlled experiment, researchers found that binge drinking did not impact academic test scores, but slowed attention and reaction times. Binge drinking may still affect other types of academic performance, such as essay-writing and problem-solving.

Colonies of bacteria fight for resources with lethal protein

Rival bacterial colonies use a toxic protein called sibling lethal factor to outcompete each other for limited nutrients. The protein kills cells at the edge of a colony closest to a competing group, creating a lopsided growth pattern and preserving scarce resources.

Meta Quest 3 512GB

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

Facial aging is more than skin deep

Researchers found significant changes in facial bones, particularly the jaw bone, occur with age and contribute to an aging appearance. The study suggests a two-step approach to facial rejuvenation: first restoring structure underneath before performing skin-tightening procedures.

Greenland ice sheet losing mass on northwest coast

A new study finds that the Greenland ice sheet is losing mass on its northwest coast, with uplift rates increasing by 1.5 inches from 2005 to 2009. This acceleration in ice loss suggests that glaciers are sliding downhill faster and dumping more ice in the ocean, contributing to global sea-level rise.

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.

Queen's scientists boost endangered freshwater mussels population

Scientists from Queen's University Belfast have successfully boosted the endangered freshwater mussel population through a 12-year cultivation project, releasing over 300 mussels into the wild. The conservation team can track the mussels using Passive Integrated Transponders, allowing for relocation and monitoring of the animals.

Could smell play a role in the origin of new bird species?

Researchers found that each junco has a unique and recognizable odor profile stable over two weeks, distinguishable from other individuals. The study's findings suggest that smell could play a role in reproductive isolation and the origin of new bird species.

Optimism boosts the immune system

A study published in Psychological Science found that law students' optimism about their future affected their immune response, with more optimistic students showing stronger immune responses. The researchers measured the students' immune systems over six months and found a significant correlation between optimism and immune strength.

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.

A lab-on-a-chip with moveable channels

UC engineering researchers have created a paradigm shift in microfluidics by developing a lab-on-a-chip with programmable microfluidic systems. This innovation enables the reconfiguration of microchannel structure as needed for performing various biomedical assays, such as DNA analysis and immunoassays.

NASA's Aqua Satellite sees a tight Tropical Storm 21S

Tropical Cyclone 21S is a compact storm about 90 miles in diameter, with maximum sustained winds near 46 mph. The storm is moving southwest at 8 mph and is expected to be short-lived due to vertical wind shear, posing no threat to land areas.

New method could revolutionize dating of ancient treasures

Scientists develop non-destructive carbon dating technique to analyze hundreds of museum collections and priceless objects like the Shroud of Turin. The new method uses plasma to oxidize surface of artifact, producing carbon dioxide for C-14 analysis.

Tropical Depression 02W forms in northwestern Pacific

The second tropical depression of the northwestern Pacific season has formed, located about 235 miles east-southeast of Yap, Micronesia. Strong convection and thunderstorms are expected, generating 10-foot high waves and high surf across the region.

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.

Fearless fish forget their phobias

Researchers taught goldfish to associate a light flash with a shock, inducing fear. However, fish injected with lidocaine in the cerebellum showed no fear and returned to normal behavior after the anesthesia wore off. This study suggests that understanding brain processes related to fear may lead to human phobia cures.

State tax incentives for filmmakers has opposite desired effect

A study by Susan Christopherson and Ned Rightor found that film subsidy programs reduce finite state funds, benefit few citizens, and foster a race-to-the-bottom mentality. The researchers argue that policy makers need to carefully evaluate the methods used to rationalize public expenditures on incentives for economic development.

TWEAK triggers atrophy of disused muscle

A study in JCB identifies TWEAK as a key trigger for muscle breakdown in disused skeletal muscle. Blocking this pathway could prevent muscle loss in immobilized patients. Inhibiting TWEAK with an antibody was sufficient to block muscle breakdown, suggesting its potential as a therapeutic target.

Fluke 87V Industrial Digital Multimeter

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

EPA R&D Chief: Green chemistry will guide US into a sustainable future

The American Chemical Society's top R&D official, Paul T. Anastas, emphasizes the importance of green chemistry in achieving sustainability. Green chemistry aims to incorporate 12 principles, including prevention of waste and use of safer chemicals, into product design and manufacture.

Study finds genes that keep watch on blood clotting time

Researchers at the University of Edinburgh identified three genes that contribute significantly to blood clotting speed in healthy individuals. These findings may help further understanding and treatment of conditions like deep vein thrombosis, heart attacks, and bleeding disorders.

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.

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.

Incorporating biofunctionality into nanomaterials for medical, health devices

Researchers at North Carolina State University developed a new technique to incorporate biological functionality into nanomaterials, enabling the creation of effective and affordable water purification devices. The technology has been shown to neutralize two common pathogens, E. coli and Staphylococcus aureus, in membrane filters.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Household pesticide labels lack details on safe use

A study found that household pesticide labels fail to provide clear maximum safe use guidelines, allowing consumers to overuse products like para-dichlorobenzene. This can lead to increased exposure to indoor air pollutants, posing health risks to family members and pets.