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Science News Archive July 2009


Page 17 of 23

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.

Galileo's notebooks may reveal secrets of new planet

Researchers believe that Galileo's notebooks from 1613 may reveal evidence of his discovery of a new planet, which is now known as Neptune. The planet was observed by Galileo as a faint star near Jupiter and moved relative to an actual nearby star.

4 from Penn State receive PECASE awards

Four Penn State researchers, Sean Hallgren, Adam Smith, Michael Hickner, and Susan Parks, will receive the Presidential Early Career Awards for Scientists and Engineers. They were recognized for their outstanding work in quantum computation, cryptography, polymer chemistry, and bioacoustics.

Apple iPhone 17 Pro

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

Nanopillars promise cheap, efficient, flexible solar cells

Researchers have developed a new design for solar cells using arrays of nanoscale pillars, each a single crystal, to efficiently convert light into charge-carrying electrons. The efficiency of the test device was measured at six percent, which is higher than most photovoltaic devices based on nanostructured materials.

Of yeast and men: Unraveling the molecular mechanisms of Friedreich's ataxia

A research team led by Sergei Mirkin has developed a yeast model to study the molecular mechanisms of Friedreich's ataxia, a genetic disorder caused by GAA repeat expansions. The team found that proteins facilitating smooth replication fork progression decrease repeat expansions, while those causing fork deviations increase them.

Academy Library accepted to prestigious Biodiversity Heritage Library

The Academy of Natural Sciences' Ewell Sale Stewart Library has been accepted into the Biodiversity Heritage Library, a global initiative to preserve scientific literature on biodiversity. Over 35,500 volumes have been scanned and digitized, with over 14 million pages now available online.

SF State professor honored by President Obama for science mentoring

Frank Bayliss, a SF State professor, has been awarded a Presidential Award for Excellence in Science, Mathematics, and Engineering Mentoring for his work opening doors for minority students in the sciences. His Student Enrichment Opportunities office helps send underrepresented minority students to doctoral programs annually.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Underwater exploration seeks evidence of early Americans

A team of scientists, led by Dr. James Adovasio, is searching for evidence of human occupation in the Gulf of Mexico, dating back over 12,000 years. The researchers are exploring submerged sites using remotely operated vehicles and divers to collect artifacts and animal fossils.

'Uphold the ban'

The World Bank has reaffirmed its support for the ban on tiger trade and called for the phasing out of tiger farms to protect wild tiger populations. The organization urges countries to continue banning domestic trade of wild tigers, citing economic and conservation concerns.

New theory gives more precise estimates of large-scale biodiversity

A new theory derived from information theory provides more accurate estimates of species richness in habitats of all sizes, from deserts to tropical rainforests. The method scales up from small plots to biomes and predicts that the number of new species found approaches zero as the area increases.

Dry mouth linked to prescription and over the counter drugs

Dry mouth, caused by decreased salivary function, affects one in four Americans and is linked to over 400 prescription and non-prescription drugs. Patients may experience symptoms like constant thirst, difficulty eating or speaking, and increased tooth decay risk.

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.

Ozone, nitrogen change the way rising CO2 affects Earth's water

A recent study found that climate change models may underestimate the impact of changing atmospheric chemistry on water runoff. The researchers discovered that increased concentrations of carbon dioxide and ozone in the atmosphere and nitrogen in the soil can lead to a 17% increase in forest runoff in eastern US forests.

Dialysis safe for kidney patients' heart health

A study published in the Clinical Journal of the American Society Nephrology found that dialysis does not affect the heart health of kidney disease patients who have had a heart attack. Researchers identified predictors of high risk, such as potassium levels and patient condition severity.

Exploring standards to advance microbial genomics

The development of genome annotation standards is crucial for advancing microbial genomics, but a lack of standards hinders comparisons and discoveries. Kyrpides suggests several innovative approaches to ease the data processing bottleneck, including proxy approaches and pan-genome representations.

Arctic climate under greenhouse conditions in the Late Cretaceous

Scientists discover regular alternation of microscopically thin layers composed of distinct diatom assemblages, reflecting seasonal changes in the Arctic Ocean during the Late Cretaceous. This indicates exceptional abundances of diatoms adapted to stratified conditions, suggesting a pointer to future trends in the modern ocean.

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.

Einstein scientists link elevated insulin to increased breast cancer risk

Researchers at Albert Einstein College of Medicine found a strong association between elevated insulin levels and increased breast cancer risk in postmenopausal women. Women with higher insulin levels were more than twice as likely to develop breast cancer compared to those with lower insulin levels, especially among lean women.

Ethicists: Include pregnant women in national childrens' study

Pregnant women are underrepresented in clinical research, but experts say including them in the National Children's Study could yield crucial information for women's health. The study aims to follow children from conception through adulthood, but ethicists recommend adding a few key questions on medication usage to gather valuable data.

Seals quickly respond to gain and loss of habitat under climate change

Researchers found that Southern Elephant seals quickly responded to the gain and loss of habitat under climate change by establishing a new breeding site in the Ross Sea Embayment. This new habitat was adopted due to abundant food resources and physical space, allowing rapid expansion of the population.

Reduced diet thwarts aging, disease in monkeys

A study of rhesus macaques has shown that consuming fewer calories leads to a longer, healthier life, with a reduced risk of age-related diseases such as cancer, diabetes, and cardiovascular disease. The diet also preserved brain health, particularly in regions responsible for motor control and executive functions.

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.

Tossing a coin in the microcosm

Physicists at the University of Bonn have demonstrated a quantum walk, a superposition of heads and tails states in an atomic 'coin', and found unusual effects when observing the particle. This research paves the way for new algorithms, including search processes, that can process information much faster than classical methods.

UT Southwestern, UT Arlington to develop magnetic surgery tools

Researchers at UT Southwestern and UT Arlington are developing magnetically controlled surgical instruments to enhance maneuverability and reduce entry ports in laparoscopic surgeries. The Magnetic Anchoring and Guidance System (MAGS) uses magnets outside the abdomen to attract instruments inserted inside, allowing for greater range of...

Researchers identify technique that improves ACL surgery

Researchers at Hospital for Special Surgery have identified a drilling technique that improves the outcome of ACL surgery by better reproducing the native ligament anatomy. The anteromedial portal drilling technique outperforms the traditional transtibial technique in restoring knee stability and preventing complications.

Celestron NexStar 8SE Computerized Telescope

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

Telomeres resemble DNA fragile sites

Researchers at Rockefeller University discovered that telomeres resemble fragile sites in DNA, where replication can stall. A protein called TRF1 helps prevent this by removing unusual structures from telomeric DNA, allowing smooth progression of DNA replication.

Newborn brain cells show the way

Researchers discovered that newborn neurons in the hippocampus help separate individual events and form temporal relationships, improving spatial memory. This breakthrough sheds light on the purpose of neurogenesis and its role in adult brain function.

Tremors on southern San Andreas Fault may mean increased earthquake risk

A new study by UC Berkeley researchers found that increased tremors along the San Andreas Fault near Parkfield, Calif., may indicate a build-up of stress and an increased likelihood of a major quake. The tremors have continued to this day at a rate significantly higher than before two nearby earthquakes in 2003 and 2004.

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.

Giant supernovae farthest ever detected

Astronomers have discovered two giant supernovae 11 billion years ago, providing unprecedented insights into the early universe. The discovery was made using a new technique that allows for the detection of distant dying stars.

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.

1-finger exercise reveals unexpected limits to dexterity

A study found that maximal voluntary force produced by a finger is independent of movement speed, contradicting long-held theories. This paradoxical result has implications for human rehabilitation and robot hand design, suggesting that neuromuscular systems can be pushed to their limits even in seemingly simple tasks.

$11.5M awarded to Boston College for TIMSS 2011

Boston College has been awarded $11.5M to conduct the Trends in International Mathematics and Science Study (TIMSS) 2011, a global assessment of fourth and eighth-grade student math and science achievement. The study's findings will help nations and states compare their children's math and science achievement with others.

Map of your brain may reveal early mental illness

Researchers aim to create a brain map that can help diagnose early-stage schizophrenia and guide more effective treatment. The study, led by Northwestern University, uses topographical brain maps to compare the structures of individuals with schizophrenia to those without, hoping to identify key differences in brain function.

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.

Stem cells' 'suspended' state preserved by key step, scientists report

A gene called Chd1 has been found to be critical in maintaining the pluripotent state of embryonic stem cells. This discovery could lead to a greater understanding of how cells acquire specialized states and provide a strategy for efficiently reprogramming mature cells back into the pluripotent state.

Spontaneous assembly

A team of scientists used PALM microscopy to show that bacterial membrane proteins can spontaneously form clusters without being actively distributed. The researchers found that random lateral protein diffusion and protein-protein interactions generate complex, ordered patterns in the chemotaxis network.

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.

New way to make sensors that detect toxic chemicals

Researchers at Ohio State University have developed a new synthesis method to create highly pure and small nickel oxide nanoparticles for gas sensors. The material reacts quickly and reliably to various toxic industrial chemicals and biological warfare agents, enabling the detection of these substances.

Faster, more cost-effective DNA test for crime scenes, disease diagnosis

Scientists in Japan have created a universal QProbe system, a new PCR method that amplifies DNA traces more efficiently and accurately. This breakthrough technology has the potential to expand use of PCR in medicine, law enforcement, and other fields, making it faster, less expensive, and more specific.

Landmark project to map genomics of complex ant systems

Emory researchers are using DNA sequencing technology to study the genomics of agricultural ant societies, which could lead to breakthroughs in waste processing and agriculture. The project aims to understand how ants have evolved to process huge amounts of organic material over millions of years.

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.

Blur's noise and distortion reversed

Researchers develop modified recurrent Hopfield neural network to quickly process images, reducing distortion, noise and blurring. The approach shows significant improvement in image quality by 39-67% and takes half the time of other methods.

Fighting the swine flu pandemic with mathematics

The Tel Aviv University team has created a statistical tool that can macro- and micromanage pandemic influenza outbreaks, providing guidance for complex decisions on airport closures, school shutdowns, and travel routes. The model takes into account the new H1N1 swine flu's impact on vulnerable populations.

Researchers enlist DNA to bring carbon nanotubes' promise closer to reality

A DuPont-Lehigh University team has developed a DNA-based method to sort and separate specific types of carbon nanotubes (CNTs) from a mixture. The new method utilizes tailored DNA sequences that can recognize individual types of CNTs and purify them with sufficient yield for fundamental studies and application development.

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.

Explosive growth of life on Earth fueled by early greening of planet

Researchers at Arizona State University suggest early greening of the planet by primitive ground huggers led to complex life on Earth. This event, around 700 million years ago, allowed for soil sequestration of carbon and increase in oxygen levels, paving the way for higher life forms.

Scholthof named 2009 American Phytopathological Society Fellow

Dr. Herman Scholthof, a renowned plant pathology expert, has been awarded the 2009 American Phytopathological Society Fellowship for his distinguished contributions to the field. He is recognized for his notable work in plant pathology and microbiology at Texas A&M University.