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Science News Archive 2005


Page 160 of 165

AGI and USGS provide unique tsunami disaster relief

The American Geosciences Institute (AGI) has partnered with the USGS to provide a Global GIS DVD-ROM, which offers datasets of historical seismicity, topography, and other geospatial information. This database is being distributed to disaster teams to aid in tsunami relief efforts.

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.

Diet, exercise, stimulating environment helps old dogs learn

A two-year study found that older beagles performed better on cognitive tests when fed a balanced diet with fruits and vegetables, exercised regularly, and provided stimulating environments. The combination of these interventions showed the most significant improvements in brain function.

A proverb a day may make you healthier

A team of researchers at the University of Toronto created modern proverbs reflecting current public health principles. Their proverbs advise on smoking, balanced diet, and physical activity.

Multiple therapies curb declining ability to learn with age

Researchers found that combining behavioral enrichment and antioxidant supplementation significantly improved learning abilities in senior dogs. The study suggests similar benefits may be attained in humans due to biological and behavioral parallels between species.

American Thoracic Society Journal news tips for January 2005 (second issue)

A study published in the American Thoracic Society Journal found that total maternal vitamin C intake was positively associated with wheeze in certain infants who did not have a cold during their second year of life. Additionally, U.S.-born Mexican Americans had a higher prevalence of asthma compared to Mexican-born individuals.

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.

New genetic mutation linked to Parkinson's disease

A new genetic mutation on the LRRK2 gene is responsible for 5% of inherited Parkinson's disease cases, with patients having longer disease duration but less severe symptoms. The discovery has a broad implication for genetic screening for the disease, highlighting the need to include studies of the LRRK2 gene in future testing.

Genetic testing for Parkinson's disease on the horizon

A single gene mutation in the LRRK2 gene has been identified as a cause of around one in 25 cases of Parkinson's disease worldwide. The mutation is associated with both inherited and sporadic forms of the disease, suggesting new diagnostic and treatment options on the horizon.

Adult moms more affectionate with their infants: Study

A study of 119 mothers in three age groups found that those who received consistent care during childhood displayed more affection towards their infants. In contrast, mothers raised by frequently changing caregivers exhibited less affection and more instrumental behavior.

Apple iPhone 17 Pro

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

Ecologists see the primeval wood for the trees

Dr. Fraser Mitchell's study analyzes tree pollen to reconstruct primeval forests, concluding that grazing animals did not exert a significant impact on forest structure. This challenges current European forest conservation policy, which promotes closed canopy deciduous forests, and suggests that primeval forests may have been more open.

Jump-starting T cells in skin cancer

Researchers found that vaccination against tumor-specific proteins can reinvigorate existing T cells, allowing them to attack tumors. This breakthrough suggests a new approach to treating skin cancer by targeting the immune system's natural defense mechanisms.

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.

Cancer vaccines: A two-pronged attack?

Researchers found that a cancer vaccine can stimulate the production of CTLs against specific antigens and also reactivate spontaneously produced CTL populations against multiple cancer antigens in about 10% of patients with metastatic melanoma. This non-specific process could potentially eliminate bulk of tumor cells.

Individualized medicine emerging from gene-environment studies

Researchers discover how genetic and environmental factors influence racial health disparities, highlighting the importance of personalized treatment approaches. Studies show that genetic contributions play a larger role in blood pressure differences among African Americans than previously thought.

Research sheds light on how cancer cells become resistant to treatment

Research reveals that cancer cells can become resistant to treatment by acquiring P-glycoprotein from neighboring cells, rendering chemotherapy ineffective. This phenomenon has significant implications for tumor behavior and genomic analysis, highlighting the potential benefits of studying protein transfer between cells in tumors.

Making plastics from oranges

Scientists create a novel polymer, polylimonene carbonate, using limonene oxide and CO2, offering an alternative to petroleum-based plastics. The biodegradable material has characteristics similar to polystyrene, a commonly used plastic.

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.

Tip sheet Annals of Internal Medicine, Jan. 18, 2005

Current FOBT screening recommendations are being reexamined due to low test accuracy and non-compliance. A study of 3,121 people found that single office-based FOBT tests missed advanced precancerous lesions 95% of the time.

Astronomy's case of the missing disks

Researchers found that strong stellar winds around young red dwarfs may be responsible for removing dust and debris disks. The discovery provides a potential explanation for the rare occurrence of debris disks among red dwarfs, but further observations are needed to confirm this hypothesis.

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.

COX-2 levels are elevated in smokers

Researchers found that smoking promotes rapid production of COX-2 in oral mucosal cells, with tobacco smoke inducing EGFR activation. This activation leads to increased COX-2 protein production, highlighting a potential mechanism for tobacco-related cancers.

Depression caused by common treatment for hepatitis C may affect outcome

A recent study by Emory University Health Sciences Center found that patients with depression are less likely to clear the hepatitis C virus from their blood after six months of treatment. Only 34% of those experiencing a significant increase in depression were able to clear the virus, compared to 59-69% of those with milder increases

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.

New prehistoric rock carvings discovered in Northern England

Archaeologists have discovered over 250 new examples of England's finest array of prehistoric rock art carvings, which can now be admired on a comprehensive website. The site features 6,000 images, interactive games and audio clips, and is said to be the most extensive database of its kind in the world.

Floating films on liquid mercury

Researchers discovered three distinct scattering patterns as alky-thiol density increased, indicating different degrees of molecular order. The tilted phase exhibits crystalline patterns despite the disordered liquid nature of the underlying mercury.

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.

Thinking small: Texas A&M team creates lab-on-a-chip

Researchers at Texas A&M University have successfully levitated micron-sized fluids using small magnets on a postage-stamp sized chip. This innovation enables the control of tiny droplets and crystals, opening up possibilities for future research in DNA manipulation, nanotubes, and other areas.

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.

Study finds more than one-third of human genome regulated by RNA

A recent study published in the journal Cell has found that over 30% of human genes are controlled by RNA molecules, providing new insights into gene regulation. The researchers used computational methods to identify microRNAs that target specific genes, revealing a vast network of regulatory interactions.

Found: Missing sequence of the human Y chromosome

Researchers have identified a previously unknown sequence on the human Y chromosome, containing eight potentially active genes. This discovery suggests that segmental duplications in pericentromeric regions may be underrepresented in current genome sequences.

Mitochondrial DNA mutations play significant role in prostate cancer

Researchers found mitochondrial DNA mutations in 12% of prostate cancer samples and 7.8% of general population controls, with increased tumor growth and oxygen radical production in mutant cells. These findings suggest a causal link between mtDNA mutations and prostate cancer development, particularly in African men.

Uncovering secrets of abalone body armor

Researchers at UCSD have discovered a unique structure in abalone shells that can provide the basis for lightweight and effective body armor. The shells' layered structure, made of calcium carbonate tiles held together by protein adhesive, is theoretically the toughest arrangement possible.

NYU researchers simulate molecular biological clock

Researchers at NYU developed a mathematical model that replicates the complex network of molecular interactions within a cell's circadian clock. The study found that rapid binding and unbinding of regulatory molecules is crucial for accurate timekeeping, contradicting the notion that more molecules lead to better accuracy.

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.

Uncalculated risks in some pesticides, UCR study finds

Researchers found that chiral compounds, including organophosphates and synthetic pyrethroids, pose previously uncalculated toxic risks due to their biologically different behaviors. Using just the active isomer can achieve similar pest control with reduced chemical use and environmental benefits.

New network of gastrointestinal immune cells discovered

Researchers found an extensive system of dendritic cells throughout the intestinal tract that take up bacteria and other antigens. This discovery could lead to a better understanding of conditions like Crohn's Disease and ulcerative colitis, as well as the development of new vaccines.

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.

Researchers to put changing public services under the microscope

The 'Public Services' programme will examine costly and complex services such as healthcare and education, with a focus on quality, performance, and delivery. Researchers aim to use scientific analytical research to understand the realities of public services and their unintended effects.

Surprising study reveals how cancer-causing protein activates

A new study by Brown University researchers has discovered a chemical modification that activates the STAT3 protein, which is important for embryonic growth and development. This continuous activation causes breast and prostate cells to develop and move through the body, leading to cancer. The research team found that acetylation, anot...

Number of adults with high blood pressure set to soar by 2025

The global prevalence of high blood pressure is expected to increase from a quarter to a third by 2025, totaling over 1 billion adults. Developing countries are projected to bear the brunt of this increase, with three-quarters of the world's population with high blood pressure in these regions.

Researchers map genome of deadly fungus

Researchers have mapped the genome of Cryptococcus neoformans, a fungus that causes severe inflammation of the brain in people with HIV and those taking chemotherapy or steroid treatments. The study identified 30 new genes involved in the fungus's biosynthesis, offering potential targets for treatment.

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.

New insight into link between homocysteine and stroke

Researchers used Mendelian randomization to investigate the link between homocysteine levels and stroke risk. They found that individuals with a specific genetic variation had higher homocysteine levels and increased stroke risk, suggesting a potential role for folic acid and B vitamins in preventing strokes.

LSU researcher solves ancient astronomy mystery

Astronomer Dr. Schaefer has discovered a long-lost star catalog of Hipparchus, an ancient Greek astronomer, on the Roman statue Farnese Atlas. The catalog, which dates back to 129 B.C., was previously thought to be lost and its accuracy questioned.

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.

First search in stellar graveyard yields two possible planets

Researchers have discovered two candidate planets orbiting white dwarfs, which are the remnants of dead stars. The team used a combination of telescopes to detect these planets, which could provide clues about the solar system's formation and the presence of life in the galaxy.