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Science News Archive 2004


Page 121 of 135

Oxidation processes basis of interdisciplinary research, graduate training

The MILES IGERT program aims to develop antioxidant delivery systems, novel biocompatible synthetic polymer delivery systems, and natural and synthetic macromolecular antioxidants. Researchers are exploring controlled release of antioxidants by polymeric films and investigating the biomedical implications of oxidation processes.

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.

Empathy for pain activates pain-sensitive regions of the brain, says UCL study

A UCL study found that empathy for pain involves the affective but not sensory components of pain, and is triggered by the perception of a loved one's pain. The researchers discovered specific brain regions are activated when observing another person in pain, highlighting the emotional representation of internal bodily states.

Life in the universe takes orders from space

Researchers suggest meteorites may have delivered essential elements and asymmetry that led to the development of specific protein and sugar structures on Earth. This theory could provide a plausible explanation for how non-life became ordered and specific chemistry.

Study provides new insights about brain organization

Researchers mapped rat brain activity, finding that cells in sensory borders share information from multiple senses. The discovery may explain how individuals adapt to sensory loss and improve their remaining senses.

Meta Quest 3 512GB

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

Biochemical clues to long lifespan revealed

Scientists at Boston Children's Hospital discovered that Sir2 regulates a group of proteins known as FOXO transcription factors, which confer stress resistance by detoxifying free radicals. This interaction may help reverse age-related disorders, such as Alzheimer's disease and cancer.

Evolution caught in the act

A research team at the University of Michigan and the University of Texas describes how a resourceful bacterium developed an entirely new way to make disulfide bonds. This breakthrough could have significant implications for disease states like Alzheimer's and cystic fibrosis, as well as biotech applications.

UCSF finding advances insight into adult stem cells in human brain

Researchers at UCSF have identified a new source of adult stem cells in the human brain, potentially leading to breakthroughs in neuroregeneration and glioma treatment. The study found that astrocytes in the subventricular zone can function as neural stem cells, producing fresh neurons and oligodendrocytes.

Phone fibbing is the most common method for untruths

In a study of 30 students, researchers found that phone fibbing is more likely than other forms of communication, with participants lying on average 1.6 times per day. The study suggests that real-time media boosts the opportunity for deception due to the lack of nonverbal cues.

Teamwork done right: New study sheds light on how to avoid destructive conflict

A new study by Stevens Institute of Technology researchers Drs. Patricia Holahan and Ann Mooney reveals that constructive conflict can mutate into destructive conflict if not managed properly. The study found that trusting team members, displaying supportive communication norms, and freely sharing information reduce the risk of destruc...

Apple iPhone 17 Pro

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

Question about fundamental chemistry of water answered

Scientists Y-Z Yue and C.Austen Angell challenge the accepted temperature for water's glass transition, proposing that it crystallizes before softening. This discovery offers a new understanding of water's phases, revealing that glassy water can remain solid at higher temperatures.

Cancer cells can compress blood vessels, block entry of drugs

Researchers from Massachusetts General Hospital found that cancer cells can compress both blood and lymphatic vessels within tumors. This compression limits the delivery of anticancer drugs to tumor cells. New strategies for improving cancer treatment may be developed by normalizing distorted blood supply within tumors.

UK needs more seafarers

A study by Cardiff University predicts a current annual shortfall of UK ex-seafarers as much as 112. This shortage could lead to higher wage bills for shipping companies, reduced quality of employment, and less incentive to train cadets. The shipping industry has traditionally supplied skilled labor to shore-based industries.

Sepsis drug also protects brain cells

Researchers have discovered that a compound used to treat sepsis also protects vital brain cells from programmed cell death. The finding opens the possibility of creating a new compound with similar effects without increased bleeding side effects.

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.

Chemical turns stem cells into beating heart cells

Scientists have discovered a synthetic chemical called cardiogenol that can selectively differentiate embryonic stem cells into beating cardiac muscle cells. This breakthrough could lead to the development of new treatments for heart disease and other degenerative conditions.

Shark guide probes uncharted waters

A new guide, developed by NOAA Fisheries and Rhode Island Sea Grant, aims to increase species-specific identifications without associated mortality. The guide focuses on external characteristics and uses photographs to aid in identification, helping users distinguish among 44 highly migratory shark species.

Drug addiction, learning share common brain protein

Researchers have discovered a molecule that links drug-induced plasticity in one part of the brain to a mechanism underlying learning and memory in another. The study found that a specific protein, PSD-95, plays a crucial role in addiction and may also be involved in learning and memory.

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.

Same-sex couples plan differently for retirement

Research reveals that same-sex couples who are happier in their relationships plan more for retirement. Lesbians tend to make financial plans with their partners, while gay men plan individually. This highlights the need for improved financial planning resources for LGBTQ+ individuals.

GM nation? Public debate: a valuable experiment

A UK public debate on GM food was evaluated as providing valuable lessons for future debates, but failed to engage the uncommitted public. The survey revealed that 36% opposed GM food, while 85% believed more research is needed on its health effects.

Demographics not key to adoption of banking technology

The study found that demographic factors such as age, income, and education level are not key to the adoption of electronic banking technology. Instead, people's personal attitude towards the technology plays a crucial role, regardless of their background.

Research examines treatment goals for acromegaly patients

Researchers found that achieving basal growth hormone levels of less than 2.5 µg/liter and glucose-suppressed GH levels of less than one µg/liter may not minimize cardiovascular risks in acromegaly patients. Instead, these patients are at increased risk for conditions like hypertension, diabetes, and osteoarthritis.

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 method for converting nitrogen to ammonia

A team of Cornell University researchers has successfully converted nitrogen to ammonia in a laboratory setting, molecule by molecule, using a zirconium metal complex. The process achieves complete fixation at lower temperatures than existing industrial methods, which require high pressures.

What are your odds of surviving into your hundreds?

A new study found that people with short variants of the APOB gene region have significantly lower total and low-density lipoprotein cholesterol levels in their blood. This association may contribute to a protective role of these variants in younger adults, while being detrimental to longevity in older individuals.

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.

Clinical trial of new TB vaccine begins

A new TB vaccine, rBCG30, is being tested in a human clinical trial to assess its safety and immune response. The vaccine, developed by Dr. Marcus Horwitz and his team at UCLA, has shown promise in preclinical trials and could potentially reduce the TB disease burden worldwide.

Effectiveness of chickenpox vaccine decreases after one year

The study found that the chickenpox vaccine's effectiveness decreases significantly after one year, with 97% efficacy in the first year and 84% in subsequent years. The vaccine's effectiveness was lower for children under 15 months old, with a 73% efficacy rate.

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.

Food-borne pathogen traced to lettuce

A 1998 Finnish outbreak was traced to contaminated iceberg lettuce grown on open fields with roe deer, which carry the Y. pseudotuberculosis pathogen. Researchers investigated and proposed prevention methods, including fenced fields and disinfection strategies.

Stem cells found in adults may repair nerves

Researchers found that adult stem cells can repair nerves, but the process is slow and scar tissue hinders healing. The study suggests that manipulating stem cells and growth factors could stimulate nerve regeneration.

The future of drug development

Researchers Hubbard and Love propose a new system for funding drug development, separating R&D and product markets. This could lead to greater openness in drug research, reduced prices, and expanded access to new medicines.

American Thoracic Society Journal news tips for February 2004 (second issue)

A study of influenza vaccination in children with asthma found no significant reduction in asthma exacerbations caused by the flu. In contrast, a separate study showed that maternal and personal smoking synergize to increase airflow limitation in offspring, increasing the risk of Chronic Obstruction Pulmonary Disease (COPD).

Imaging technique reveals new structure in retinal cells

A new imaging technique reveals the presence of a previously unknown organelle called a retinosome, which houses retinyl esters essential to the regeneration process. The discovery could lead to better understanding and treatment of congenital blindness caused by defects in the retinoid cycle.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Other highlights in the February 18 issue of JNCI

Two studies in the February 18 issue of JNCI investigated aspirin use and its association with two types of cancer. Regular aspirin use was found to lower Hodgkin's lymphoma risk, while patients with Barrett's esophagus may benefit from cost-effective aspirin therapy for esophageal cancer chemoprevention.

Key advance reported in regenerating nerve fibers

Researchers developed a two-pronged approach to stimulate nerve cell growth and overcome inhibitory proteins, achieving triple the axon regeneration achieved with growth factors alone. The technique aims to restore vision and treat spinal cord injuries, strokes, and neurodegenerative diseases.

Tumor cell-specific therapy shows preclinical promise

Researchers developed a novel tumor cell-specific therapy that restores p53 protein function in cancer cells. This approach eliminates tumors and increases animal survival by up to six times, offering promising implications for targeted therapies.

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.

Clinical research key in advance to prospective health care

A recent editorial by Ralph Snyderman emphasizes the importance of clinical research in advancing healthcare. The key element needed to define and monitor effective health strategies is clinical research, including translating basic scientific findings into medical treatments and evaluating patient outcomes.

Insulin-producing cells found in a variety of tissues in diabetes

Researchers have discovered insulin-producing cells in various tissues in diabetic mice, which can be triggered by high blood sugar. The findings suggest that these cells could be harnessed to generate insulin-producing cells from other tissues, offering a potential breakthrough for diabetes treatment.

DHEA boosts growth rate of human neural stem cells

Researchers at the University of Wisconsin-Madison have found that DHEA significantly increases the division of human neural stem cells, leading to increased neurogenesis. The study's findings provide direct evidence of DHEA's effects on critical human cells, shedding light on the hormone's potential benefits and risks.

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.

Point well taken

Researchers found that referential gesturing improves identification of targets and reduces verbal cues when participants can see each other. The study published in Psychological Science shows that pointing facilitates the use of verbal descriptions by focusing the audience's gaze on a specific subregion of shared visual space.

AGU Journal Highlights - 17 February 2004

Scientists found a possible link between increasing greenhouse gases and European heat waves, while also studying the transfer of energy from earthquakes through Earth's formations. Additionally, research revealed the Amazon River's strong impact on tropical Atlantic carbon levels and new insights into Martian drainage basins that may ...

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.

Now accepting nominations for the $2,500 M. Powell Lawton Award

The M. Powell Lawton Award recognizes significant contributions to gerontological treatment, practice, or service, as well as innovative public policy changes that improve the lives of older persons. Nominees must be endorsed by a GSA member and can be from any discipline.

Hormone found to protect bones

A Baylor College of Medicine study reveals that the hormone amylin inhibits bone loss and resorption. Mice without amylin have less bone mass due to increased bone destruction, suggesting a potential therapeutic avenue for preventing osteoporosis in Type 1 diabetes patients.

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.

The EMBC agrees to six-year budget for EMBO

The EMBC has agreed to a six-year budget for EMBO, providing stability for European molecular biology research. This agreement was reached after earlier proposals requested higher funding levels, but ultimately, a compromise was made to support the organization's activities and promote scientific advancements in Europe.

Global warming to squeeze western mountains dry by 2050

A new study predicts that global warming will diminish Western US mountain snow cover by up to 70% by 2050, leading to increased flooding and drought. The loss of snowpack will disrupt the region's agriculture, fisheries, and hydropower industries.