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Science News Archive 2009


Page 141 of 277

Dynasty: Influenza virus in 1918 and today

The 1918 influenza pandemic created a viral dynasty that persists to this day, with all human-adapted influenza A viruses being descendents of the founding virus. The novel 2009 H1N1 virus is yet another manifestation of this enduring viral family.

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.

Super-sleepers could help super-sizers!

A team of scientists has discovered that burrowing frogs can survive for years without food or water by changing their cell metabolism to maximize energy efficiency. This radical adaptation could have significant medical applications, particularly in treating energy-related disorders like obesity.

First step to converting solar energy using 'artificial leaf'

Scientists at Leiden University have successfully developed an artificial leaf that can convert sunlight into fuel and clean energy. The breakthrough, which is the first step in creating an artificial photosynthesis system, involves modifying chlorophyll molecules to resemble the efficient light antennae of bacteria.

Stanford researchers find a quicker, cheaper way to sort isotopes

Scientists at Stanford University have created a new method to analyze isotopes, which are used to solve crimes, date ancient artifacts, and identify chemicals. The device uses laser-based spectroscopy to measure the ratios of isotopes in a sample, providing accurate results within one to three parts per thousand.

Desert dust alters ecology of Colorado alpine meadows

Research reveals that desert dust accelerates snowmelt in Colorado alpine meadows, changing how plants respond to seasonal climate cues and affecting their annual growth cycles. This could lead to increased competition for resources among plants and potentially alter the composition of alpine meadows.

Working to conserve endangered 'Playboy' bunnies

A new UCF study is using population genetics to aid in the conservation of the Lower Keys marsh rabbits (Sylvilagus palustris hefneri), which are estimated to have less than 300 individuals remaining. The research aims to identify genetically diverse populations and relocate them to create a new habitat.

Apple iPhone 17 Pro

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

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.

Ecological Society of America announces 2009 award recipients

The Ecological Society of America presents the Eminent Ecologist Award to Steven Hubbell for his neutral theory of biodiversity and biogeography, while Jerry Jenkins, Glenn Motzkin, and Kirsten Ward receive the Cooper Award for their work on plant succession. The Mercer Award is given to Richard Lankau and Sharon Strauss for their pape...

IU School of Optometry named national vision research center

The IU School of Optometry has been awarded a $2.2 million grant from the National Institutes of Health to support its vision research program. The grant will enable researchers to improve their infrastructure, including electronics, machine shop, and scientific computing resources.

Loss of coastal seagrass habitat accelerating globally

The first comprehensive global assessment reveals accelerating losses of seagrasses, threatening the health and sustainability of coastal ecosystems. Seagrasses disappear at rates similar to coral reefs and tropical rainforests, with a loss of 110 square-kilometers per year since 1980.

Water should be a human right

The World Health Organization estimates that 2.8 billion people will face water stress or scarcity by 2025. Access to clean water can reduce global disease burden and is essential for health.

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.

Gene map aims to combat blood flukes

Researchers created a genetic linkage map for S. mansoni, a blood fluke infecting 90 million people in Africa and the New World. The map will facilitate high-resolution population genetic studies and improve understanding of transmission patterns.

Penn State researchers receive $1.2 million MURI grant

Researchers at Penn State's Center for Network-Centric Cognition and Information Fusion are working on a $1.2 million MURI grant to develop unified research on network-based hard/soft information fusion. The team will use data from various sources, including cell phones and social media sites, to improve data fusion capabilities.

Pitt researchers describe the 90-year evolution of swine flu

Pitt researchers describe the 90-year evolution of H1N1 swine flu, tracing its genetic roots back to a 1918 respiratory illness in pigs. The current strain shares common ancestry with older flu strains, potentially offering partial immunity to new pandemic viruses.

How much is life worth? The $440 billion question

A recent study highlights the immense economic burden of life-extending cancer treatments in the US, estimated to be over $400 billion annually. The authors argue that interventions with survival advantages of two months or less should be prioritized to address this issue.

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.

Tunnel vision

The US Department of Homeland Security is developing a new technology using ground-penetrating radar to detect tunnels along the US border. This innovative system will help agents locate and plug tunnels almost as fast as criminals can dig them, reducing the threat of drug smuggling, human trafficking, and terrorist attacks.

Study of flower color shows evolution in action

Researchers at UC Santa Barbara have identified genes that regulate flower color change, revealing a predictable pattern of evolution. The study found that hawkmoths prefer white or yellow flowers over red ones, driving natural selection to shift flower colors.

2 is not company -- as far as fish are concerned

Research finds fish kept alone or with one companion show increased aggression, while larger groups exhibit natural behaviors like shoaling. The study aims to establish welfare guidelines for home aquaria by examining healthy stocking densities and novel object use.

Ozone depletes oil seed rape productivity

High ozone conditions decrease oilseed rape yield by 30% and increase toxic glucosinolate compounds, affecting crop resistance and animal fodder quality. This could lead to significant income loss for farmers and impact human health in future climates.

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.

Conversing helps language development more than reading alone

A new UCLA study found that conversing with children is more effective in promoting language development than just reading to them. The study, which measured the effects of adult-child conversations on language development, found that back-and-forth conversation was strongly associated with future improvements in the child's language s...

Natural-born divers and the molecular traces of evolution

Researchers found marine mammals have higher myoglobin solubility due to increased net positive charge, and stronger divers have more histidine, aiding lactic acid management. This adaptation helps marine mammals cope with aquatic life demands.

Risk of cancer

Researchers identified a novel mechanism linking a common single-base variant in chromosome 8 to an increased risk of colorectal cancer. This variant is carried by nearly all African populations and contributes significantly to the disease at a population level, yet its impact on individual susceptibility is minimal.

Ovarian transplantation: First baby is born after a new technique

A new ovarian transplantation technique has successfully restored fertility in two patients who had lost their ovaries due to cancer treatment. The two-step procedure involves grafting small pieces of frozen ovarian tissue before the main transplant, allowing for faster recovery of ovarian function and improved response to stimulation.

Fluke 87V Industrial Digital Multimeter

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

Peptic ulcer bacterium alters the body's defense system

A study from the University of Gothenburg reveals Helicobacter pylori manipulates immune cells to develop a chronic infection. The bacterium also increases regulatory T cells in the stomach lining, which may lead to new treatments against peptic ulcers and stomach cancer.

Hand-held aerosol sensors help fill crucial data gap over oceans

The Maritime Aerosol Network (MAN) initiative uses portable photometers to measure aerosol concentrations over the oceans, contradicting satellite measurements at high latitudes. Researchers hope to improve confidence in aerosol measurements to better predict climate responses to global temperature increases.

Mice run faster on high-grade oil

Research finds that mice fed sunflower oil (n-6 polyunsaturated fatty acids) run faster than those on linseed oil (n-3 fatty acids), achieving a 6.3% boost in sprint speed. This effect is significant for small mammals, such as mice and their predators.

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.

Black gay men may be at increased HIV risk

Black gay men are more likely to have tightly interconnected sexual networks, increasing the rapid spread of HIV. Social barriers and racism contribute to these networks, perpetuating health disparities among Black gay men.

71 projects fill DOE Joint Genome Institute 2010 pipeline

The DOE JGI has selected 71 new genomic sequencing projects for its 2010 Community Sequencing Program, focused on bioenergy, climate, and environmental applications. The program aims to improve the clean energy pathways and understanding of the global carbon cycle.

Celestron NexStar 8SE Computerized Telescope

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

Birds with a nose for a difference

Researchers found that most pairs of black-legged kittiwakes avoid inbreeding more often than chance, suggesting they can detect relatives in large populations. Inbred pairs produced fewer hatching eggs and chicks with lower survival rates.

Leeds engineers developing bulletproof vests from cement

The University of Leeds is working on a new type of body armor made from cement, combining super-strong cement with recycled carbon fibre materials to create a material tough enough to withstand most types of bullets. The project aims to provide cost-effective protection for people at risk, such as security guards and reporters.

UNC scientists tackle viral mysteries

Researchers discover that a secondary viral infection can trigger the reactivation of Kaposi's sarcoma-associated herpesvirus (KSHV), leading to uncontrolled cell growth and potentially developing into cancer. Activation of specific toll-like receptors allows the virus to replicate, spreading throughout the body.

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.

From human bite to robot jaws

Researchers developed a biologically-inspired robot, the Chewing Robot, to study dental wear formation on human teeth. The robot replicates natural bite forces and movements, allowing for improved testing of new dental materials.

MIT: Extending the shelf life of antibody drugs

A new computer model developed at MIT allows researchers to design more stable antibodies, reducing clumping and aggregation issues. The model identifies regions responsible for aggregation and enables mutation of amino acids to increase stability without affecting function.

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 could help target new pancreatitis treatments

Researchers have discovered that deleting specific genes can significantly reduce toxic calcium release in pancreatic cells, which can trigger pancreatitis. The study's findings may lead to the development of more effective treatments for the disease, particularly those related to excessive drinking.

New crops needed for new climate

Research finds increased toxic compounds and decreased protein content in plants grown under high CO2 and drought conditions. Cassava yields may also be affected, highlighting the need for new crop cultivars to address future climate change.

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.

Scientific system accurately predicts spread of H1N1: study

A scientific system developed by St. Michael's Hospital accurately predicted the international spread of H1N1 by analyzing flight itineraries of over 2.3 million passengers. The system, known as The BIO.DIASPORA Project, quickly integrated information on worldwide air traffic patterns with global infectious disease threats.

Early heart attack therapy with bone marrow extract improves cardiac function

A study published by UCSF researchers found that bone marrow extract is as effective as bone marrow stem cells in improving cardiac function, decreasing scar tissue, and pumping capacity after a heart attack. Both therapies resulted in increased blood vessels and reduced cardiac cell death, showing promise for new treatments.

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.

Scripps research scientists find key culprits in lupus

Researchers at Scripps Research Institute have identified three proteins called Toll-like receptors as necessary for the autodestruction that occurs in autoimmune diseases like lupus. The study suggests that these TLRs may be good targets for therapy, potentially leading to new treatments for lupus and other autoimmune diseases.

Dino tooth sheds new light on ancient riddle

A new study by the University of Leicester has found evidence that duck-billed dinosaurs, such as Hadrosaurs, had a unique way of eating. The researchers used microscopic analysis of scratches on dinosaur teeth to understand their feeding mechanisms and place them in ancient ecosystems.

New MRI technique could mean fewer breast biopsies in high-risk women

A new MRI technique developed by UW-Madison researchers has the potential to reduce breast biopsies in high-risk women. The technology allows radiologists to visually identify cancerous lesions based on characteristics such as shape and smoothness of edges. This could lead to fewer unnecessary biopsies and improved patient outcomes.

Prostate screening studies reviewed in European Urology July issue

The July issue of European Urology reviews prostate cancer screening studies, highlighting the need to balance mortality reduction with overdiagnosis risks. The EAU adopts the conclusions of the ERSPC study and recognizes the benefit of screening for mortality reduction.

Meta Quest 3 512GB

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