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Science News Archive 2010


Page 102 of 283

IU physics facility awarded $5 million for cooperative neutron research

The Low Energy Neutron Source at Indiana University Bloomington has received a $5 million grant from the National Institute for Standards and Technology to support collaborative neutron research. This funding will enable scientists to develop new techniques and applications in neutron-scattering research, furthering our understanding o...

Bacteria make thrift a habit, U-M researchers find

Researchers at the University of Michigan found that bacteria spend more on internal proteins than external ones, conserving resources and improving their competitiveness. This thrifty behavior is linked to protein location and cost, with cheaper amino acids used in internal proteins.

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.

Secrets of the gecko foot help robot climb

A Stanford mechanical engineer created a robot that can climb smooth surfaces like glass using the sticky property of a gecko's foot. The robot uses a material with tiny hairs to create directional adhesion, allowing it to stick and unstick from surfaces easily.

New view of tectonic plates

Researchers developed new algorithms to simulate global mantle flow, plate tectonics, and individual fault zones, achieving a resolution of about one kilometer near the plate boundaries. The model accurately predicted plate movements, including anomalous rapid motion of microplates in the western Pacific.

Secondhand smoke may provoke inflammatory response in lungs

Researchers found that secondhand smoke triggers a complex inflammatory response in the lungs of rats, leading to increased white blood cells, damaged lung tissue, and impaired immune function. The study suggests potential implications for treating damage caused by secondhand smoke in humans.

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.

Vitamin A increases the presence of the HIV virus in breast milk

New studies suggest that vitamin A and beta-carotene supplements may increase the amount of HIV in breast milk, potentially leading to mother-to-child transmission. The research found that these nutrients can raise the risk of developing subclinical mastitis, an inflammatory condition that causes viral particles to leak into the milk.

Texas A&M research produces tools to study stallions' subfertility

Researchers from Texas A&M University have developed protocols to isolate RNA from stallion sperm and testis biopsies, enabling the identification of genetic factors associated with subfertility. This breakthrough could lead to improved breeding procedures and enhance the reproductive potential of thoroughbred racehorses.

Apple iPhone 17 Pro

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

Baby's first full nappy can reveal mother's smoking

Researchers measured tobacco smoke metabolites in meconium samples from 337 babies and found a strong correlation with reported smoke exposure. The study suggests that prenatal tobacco smoke exposure is linked to adverse infant health outcomes, highlighting the importance of tracking environmental exposures during pregnancy.

2 heads are better than 1 -- with the right partner

A recent study published in Science found that two heads can be better than one, but only if both partners are equally competent and can freely discuss their disagreements. The research showed that joint decisions were even better than the decision made by the better-performing individual.

UK researchers release draft sequence coverage of wheat genome

The UK researchers have released the first sequence coverage of the wheat genome, comprising 95% of all wheat genes. This data will allow scientists and plant breeders to develop new varieties through accelerated conventional breeding or other technologies.

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.

Ugly Betty forced to aim for Average Joe

Researchers found that female sparrows of low quality are more likely to choose male sparrows with smaller or average-sized badges, rather than prioritizing size. These less attractive males tend to invest more time in parental care, providing a silver lining for unattractive females.

A step toward a new sunscreen?

Researchers at the University of Texas Health Science Center San Antonio have discovered that certain plant substances can suppress damage that can cause skin cancer. The substances were tested on mice and proved protective even at low doses, with synergistic effects seen when given in combination.

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.

Healthy ears hear the first sound, ignoring the echoes

A team of University of Oregon scientists has found that when a sound is loud enough, auditory neurons simply accept it and ignore subsequent reverberations. This simplifies the filtering process, suggesting that a sophisticated system to suppress echoes may not be necessary.

Researchers discover novel mechanism protecting plants against freezing

Researchers at Michigan State University have discovered a novel mechanism that protects plants from freezing temperatures, which could also help understand drought tolerance. The discovery was made in Arabidopsis thaliana, a common mustard weed, and involves the formation of a lipid that retains membrane integrity.

Distant star's sound waves reveal cycle similar to sun

Scientists have observed a magnetic cycle in a distant star, HD49933, that is similar to the sun's solar cycle. The team used stellar seismology to detect acoustic fluctuations and found a signature of starspots, areas of intense magnetic activity on the surface.

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.

Frog skin may provide 'kiss of death' for antibiotic-resistant germs

Scientists have identified over 100 antibiotic substances in frog skin secretions, offering a potential solution to the growing problem of antibiotic-resistant bacteria. The discovery could lead to the development of new antibiotics that are more powerful and less toxic than existing ones.

Spouses do not grow more alike, study finds

Researchers found that spouses tend to pick each other based on shared personality traits rather than growing alike over time. Aggression is an exception to this pattern, where spouses may become more aggressive together due to their interactions.

A novel method for collecting dolphin DNA

Researchers at Georgetown University and the National Aquarium successfully extracted DNA from dolphin blow, providing an alternative to biopsies. The new method involves collecting exhalations from blowholes, eliminating harm to young animals and requiring less skill than traditional dart biopsying.

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.

Wild porcupines under threat due to illegal hunting

Research from the University of East Anglia has shown that commercial farming of porcupines is driving hunting and contributing to a devastating decline of wild populations. The study found that half of farmers interviewed were unregistered, with many using wild animals as founder stock or capturing them for sale.

Growing drought-tolerant crops inching forward

Researchers at Medical College of Wisconsin and University of California, Riverside create synthetic chemical mimicking abscisic acid to improve crop resistance to drought. The discovery paves the way for developing new molecules that activate or turn on receptors.

Fluke 87V Industrial Digital Multimeter

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

Why fish don't freeze in the Arctic Ocean

Researchers from Ruhr-University Bochum discovered a new mechanism of how Antarctic fish blood prevents freezing at temperatures as low as -1.8°C. The antifreeze glycoproteins work by perturbing the aqueous solvent over long distances, rather than forming a single molecular binding.

Sunlight spawns many binary and 'divorced' binary asteroids

A new study shows that sunlight drives asteroids to split in two and move far apart, forming binary and divorced binaries. The research suggests that many of these binaries likely originated from asteroid fission, with smaller asteroids separating at low velocities.

Where the fat's at

A team of UC San Diego researchers has created a novel map of lipid locations in a single cell, providing insights into how lipids influence disease processes. The study identified over 220 individual molecular lipid species and found that numerous lipids change in abundance once a macrophage becomes active.

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 test allows individualized profiles of cigarette smoking

A new test allows for more accurate estimation of smokers' mouth-level exposure to cigarette smoke, which may aid in developing custom-tailored quitting strategies. The method uses a surrogate compound found in tobacco filters to gauge exposure to the thousands of chemicals present in cigarette smoke.

Octopus mimics flatfish and flaunts it

Researchers analyzed DNA sequences to understand how the Thaumoctopus mimicus evolved its ability to impersonate flatfish, displaying high-contrast color patterns. The study found that this trait is an extremely risky defense strategy, but one that allows the octopus to survive and reproduce more successfully in its habitat.

JCI table of contents: Aug. 25, 2010

Two independent research groups demonstrate that induced pluripotent stem cells can be used to model diseases of the liver and generate functional hepatocytes with proliferative capabilities. These findings expand our understanding of iPS cell technology's potential for cell replacement therapy and modeling human disease.

Scientists develop the first atomic view of key genetic processes

Researchers at Penn State University have created the first image of a protein interacting with DNA packed tightly into space-saving bundles. The discovery is expected to aid future investigations into diseases such as cancer and provide new insights into how cells regulate gene expression.

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.

Scientists discover how chemical repellants trip up insects

Researchers at Johns Hopkins Medicine found that mosquitoes and other insects use taste receptors to detect DEET and smell citronellal, leading to aversion responses. The study identified three essential taste receptors for DEET detection and two distinct types of cell surface channels required for avoiding citronellal vapor.

ARRA funds bolster broadband access and improve connectivity among institutions

The NSF has awarded $20 million to 17 institutions across the US to improve inter- and intra-campus cyber connectivity, with a focus on broadening participation in STEM research and education. The awards will support the development of high-speed networks, enhance collaboration among researchers, and foster economic development in states.

Waiting for the right moment

Pathogens such as Neisseria gonorrhoeae use a delayed entry strategy to survive in the human body, strengthening cellular skeletons and anchoring to cell surfaces. This new understanding may have exciting implications for preventing infection with various bacterial agents.

Major moral decisions use general-purpose brain circuits to manage uncertainty

Researchers at Harvard University found that humans use the same brain circuits for complex moral decisions as those used in mundane choices. The ventromedial prefrontal cortex tracks expected moral value, integrating information on number of lives saved and probability of success. This discovery advances our understanding of how peopl...

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.

Cement, the glue that holds oyster families together

Researchers at Purdue University and the University of South Carolina have discovered a unique adhesive material in oysters that differs from other marine organisms. The cement, composed largely of chalky calcium carbonate, plays a crucial role in forming massive reef complexes.

Freeze or run? Not that simple

Researchers at EMBL identified specific type of neurons involved in mouse fear response, revealing complex brain circuitry. They used fMRI and genetic approaches to control neurons' activity, showing that fear can trigger active coping strategies instead of freezing.

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.

Scientists say natural selection alone can explain eusociality

Researchers develop new theory explaining the evolution of eusocial behavior, finding that standard natural selection is sufficient to account for cooperation in species like ants and bees. The study suggests that eusociality arises independently multiple times due to the stability of colonies once established.

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.

Sad mothers have small babies

A study in rural Bangladesh found that women with depression and anxiety during pregnancy gave birth to smaller babies, which are more likely to die in infancy. The research highlights the importance of mental health support services to reduce child mortality in developing countries.

Microneedle, quantum dot study opens door to new clinical cancer tools

Researchers at North Carolina State University developed tiny microneedles that can deliver quantum dots, nanoscale crystals, into the skin for diagnosing and treating various medical conditions. The technology uses multiphoton microscopy to visualize quantum dot delivery, paving the way for more rapid cancer diagnosis and treatment.

BPA and testosterone levels

A large population study found a statistically significant association between BPA exposure and increased testosterone levels in men. The study, which analyzed data from over 700 adults aged 20-74 years, suggests that even low-level exposure to BPA may have endocrine-disrupting effects on human health.

Celestron NexStar 8SE Computerized Telescope

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