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Science News Archive March 2010


Page 2 of 27

Diet of contaminated insects harms endangered meat-eating plants

A recent study found that carnivorous plants can be harmed when consuming insects contaminated with toxic metals like cadmium. The research, published in Environmental Science & Technology, highlights the importance of limiting exposure to these metals to protect endangered plant species.

Researchers design self-test for memory disorders

Researchers developed a self-administered test to screen for early dementia, detecting 80% of mild cognitive impairments. The Self-Administered Gerocognitive Examination (SAGE) can help identify individuals with Alzheimer's disease at an early stage, improving treatment outcomes.

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.

More than 1/4 of elderly patients lack decision-making capacity at death

A study of 3,746 elderly Americans found that over one-fourth lacked the capacity to make end-of-life medical decisions. Those with advance directives, however, received care in line with their wishes most of the time. The study emphasizes the importance of preparing oneself and family for complex medical decisions at the end of life.

Passover paradox: The amazing popularity of kosher foods

A study by American Chemical Society found that kosher products dominate supermarket shelves due to strict standards, appealing to non-Jewish consumers. Rabbis must analyze chemical composition of food ingredients to certify kosher products, highlighting the complexity of kosher certification.

New ways of measuring catastrophic risks may enhance Air Force efforts

Dr. Graciela Chichilnisky's research provides solid foundations for better preparing the public and experts for catastrophic events like hurricanes, tsunamis, and floods. Her team has developed new tools in probability and statistics to rank risks, prioritize decisions, and evaluate economic after-effects of disasters.

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.

Researcher unravels one of science's great mysteries

Researchers have uncovered the reason behind a four-billion-year-old 'missing ice age,' solving one of science's greatest mysteries. The discovery reveals that thin clouds and oceans played a crucial role in keeping the Earth warm, contradicting previous theories about greenhouse gases.

Making the blind see: Gene therapy restores vision in mice

Scientists have successfully used gene therapy to restore vision in mice with retinitis pigmentosa, a degenerative eye disease. The treatment involved the use of compacted DNA nanoparticles, which improved structural and functional vision in affected mice, without any adverse effects.

Developing blanket protection from wildfires

Researchers aim to develop blanket protection for vulnerable homes, more effective and environmentally-friendly than traditional wildfire measures. The team has tested over 40 fabrics to determine the right material, design, thickness, and weight for protection.

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.

Motivation by anticipation: Expecting rapid feedback enhances performance

A recent study published in Psychological Science found that students who expected to receive grades quickly performed better than those who anticipated delays. This counterintuitive result may be due to the threat of disappointment being more prominent for early expectants, leading them to perform better as a result. The study has imp...

Researchers harness the power of plants to fight hemophilia

A new plant-based system has been developed to help hemophilia patients build tolerance to their treatment, reducing the risk of allergic reactions. The system, made from genetically modified plants, can be ingested and releases a tolerated protein into the small intestine, where it can be acted on by the immune system.

Madagascar's mouse lemurs and more

A comprehensive study of mouse lemurs in Madagascar has identified a high diversity of population-level lineages, challenging traditional methods of species delimitation. The research uses multiple lines of evidence to recognize lineage diversity and presents the most thoroughly sampled species delimitation of mouse lemur ever performed.

Apple iPhone 17 Pro

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

A predilection for certain symmetries

Materials with 7-fold rotation symmetry have not yet been observed in nature, but researchers have discovered the reason why. The density of flower-shaped nuclei plays a crucial role in determining the rotation symmetry of colloidal particles, explaining why materials with certain symmetries are rare in nature.

Genes under control

Max Planck scientists have successfully inserted a gene switch into the genetic material of chloroplasts in plant cells, allowing for controlled protein production. This breakthrough enables researchers to study the functions of chloroplasts and explore potential applications in biotechnology, such as producing antibiotics.

New cancer therapy may fight cardiovascular disease

Researchers have discovered that heat shock protein 90 inhibitors could be effective in treating cardiovascular disease by blocking chronic inflammation. By targeting NFкB, they aim to find a less toxic alternative to existing anti-inflammatory agents.

Hormone replacement in joint fluid has potential regenerative effect

Researchers found that hormone replacement therapy in joint fluid may be beneficial for treating late-stage human osteoarthritis by regenerating damaged cartilage tissue. Estrogen and testosterone were shown to influence the expression of genes in chondrogenic progenitor cells, which are present in arthritic tissue.

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.

TRMM measures Cyclone Paul's rainfall from space

Cyclone Paul intensified slowly and became a Category 2 cyclone with wind gusts of up to 140 kph. TRMM data showed a deep convective tower penetrating up to 9 miles high, associated with intense rain in the northwestern eyewall.

BBSRC and NSF join together to promote new ideas to enhance photosynthesis

BBSRC and NSF announce an intensive workshop, Ideas Lab, to foster new ideas and collaborations on novel biochemical mechanisms for enhanced photosynthesis. The collaboration aims to bring about significant increases in biomass, boosting crop yields and meeting global food and energy security challenges.

Mount Sinai finds meta-cognitive therapy more effective for adult ADHD patients

Researchers at Mount Sinai Hospital found that meta-cognitive therapy significantly improved symptoms of attention deficit hyperactivity disorder (ADHD) in adults compared to supportive therapy. The study, published in the American Journal of Psychiatry, demonstrated the efficacy of a non-medication treatment for adult ADHD.

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.

Valuable baseline data of recent hepatitis A in Asian area

A recent study published in World Journal of Gastroenterology found a significant increase in hepatitis A cases among Korean adults, with higher rates among older patients and males. The study also revealed an abrupt rise in seroprevalence after age 30 and increased liver enzyme levels with age.

Researcher modernizes US power grid

High-temperature superconducting wires can transmit up to 10 times more power than traditional copper cables without significant losses. This technology has the potential to revolutionize electricity generation, transmission, and use, reducing carbon emissions and offsetting the emission of equivalent conventional power plants.

Common house ants form supercolonies, prosper in urban settings

Researchers discovered that odorous house ant colonies grow exponentially in urban environments, forming complex networks with millions of workers. This phenomenon raises questions about the impact on native species and potentially informs better pest control strategies.

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.

Nonspecific marker of non-erosive reflux disease

Researchers found dilated intercellular spaces in esophageal epithelium as a nonspecific ultrastructural feature of non-erosive reflux disease (NERD). This discovery suggests DIS is an early and sensitive marker for NERD diagnosis, providing new insights into its mechanism.

SuperPower and UH sign high temperature superconducting wire license agreements

The University of Houston has executed two licensing agreements with SuperPower, covering second-generation high-temperature superconductor (HTS) wire and the fundamental composition of matter patent for HTS discovered by Paul Chu in 1987. These agreements enable SuperPower to advance its 2G HTS wire development for various applications.

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.

Color it ready -- Webb Telescope instrument now at Goddard

The James Webb Space Telescope's Near-Infrared Spectrograph (NIRSpec) instrument is a key tool for identifying colors and objects in the cosmos. With its micro-electromechanical system, NIRSpec can analyze light from deep space to help scientists determine the age, chemical composition, and distances of faint galaxies.

Bile sends mixed signals to E. coli

Bile helps E. coli O157:H7 bacteria survive by increasing iron uptake, while reducing attachment to host cells in the large intestine. This study could lead to better protection of food from contamination and a deeper understanding of bacterial disease mechanisms.

Giggles give clues to hyena's social status

Researchers at UC Berkeley found that dominant hyenas produce steady, confident-sounding giggles, while subordinate ones have more variable calls. The study's findings suggest that the frequency analysis of these calls can reveal an animal's social stature and age.

Celestron NexStar 8SE Computerized Telescope

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

Head-scratching ad claims can alienate consumers, study finds

A new University of Illinois study suggests that technical, tough-to-decipher advertising claims can turn consumers away. Consumers who consider themselves well-informed about a product react negatively to 'puffery', viewing it as an effort to trick them with meaningless information.

St. John's wort collection mined for its medicinal value

A unique St. John's wort collection curated by ARS scientists provides university collaborators with genetically diverse sources of the herb to study its medicinal potential. Researchers are screening the collection for biologically active compounds that may combat viral infections, reduce inflammation, or improve digestive health.

Toads' earthquake exodus

Researchers found that toad populations in Italy shifted their behavior from breeding to evacuation mode five days before a significant earthquake. The ionosphere disruptions detected pre-seismic cues like radon gas releases and charged particles, allowing the toads to detect earthquakes earlier.

Essential oils to fight superbugs

Researchers found that thyme essential oil can almost completely eliminate bacteria within 60 minutes, with high efficacy against Staphylococcus species. The study suggests that essential oils could be a cheap and effective alternative to antibiotics, reducing the risk of new strains of antibiotic-resistant micro-organisms.

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.

Grocery shoppers who try harder to track costs do worse, study finds

A new study found that grocery shoppers who try harder to track costs tend to over spend, with the hardest hit being low-income households who may struggle financially. The researchers suggest retailers help consumers estimate costs with cart scanners and provide shopper trainings.

Exploration in toddlers activated by fathers

A new study published in Early Child Development and Care reveals that fathers tend to give toddlers more leeway, allowing them to actively explore their environments. This 'activation theory' suggests that father-child interaction plays a crucial role in shaping a child's development.

Ancient snakes living on Madagascar

Scientists have found that blindsnakes, a group of worm-like snakes, are one of the few organisms that inhabited Madagascar when it separated from India 100 million years ago. The study reveals that continental drift played a crucial role in their evolution, with populations separating as continents moved apart.

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.

Innovative thinking on agriculture in the Greater Mekong Subregion

The report assesses environmental, social, and agricultural characteristics of GMS nations and outlines changes needed to meet future food demands. Technologies and practices can help farmers use water more efficiently, increase crop yields further and adapt to changing climatic conditions.

What if all software was open source? A code to unlock the desktop

A University of Washington project aims to make all software open source, allowing users to add custom features to widely used programs. The Prefab system hijacks the display to customize user interaction, enabling people with disabilities to access previously inaccessible interfaces.

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.

The pill for ovarian cysts

A study found that women taking oral contraceptive pills had significantly fewer recurring ovarian cysts after surgery. Long-term treatment appears to be key to preventing endometrioma recurrence, suggesting a change in clinical practice.

UT Southwestern researchers find clues to TB drug resistance

UT Southwestern researchers found that a type of blood pressure medication shows promise in overcoming some drug-resistant tuberculosis. However, the Mycobacterium tuberculosis bacterium may be resistant to treatment in more people than previously thought. The studies challenge current thinking on how TB works and how best to kill it.

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.

New path to solar energy via solid-state photovoltaics

Researchers at Lawrence Berkeley National Laboratory found a new path for sunlight to electricity conversion in semiconductor thin-films, overcoming the bandgap voltage limitation. By applying an electric field, they can manipulate the crystal structure and control photovoltaic properties.

Regulation of mindin expression and the signaling pathway

The study found that mindin expression is upregulated during intestinal inflammation and induces NF-κB activation through a TLR-9 mediated manner. This suggests the importance of the TLR-9 mediated pathway in defining mindin's function and signaling pathways.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Do words hurt?

Researchers at Jena University found that verbal stimuli can activate the pain matrix in the brain, activating areas that process pain. The study used functional magnetic resonance tomography (fMRT) to investigate how healthy subjects process words associated with experiencing pain.