Bluesky Facebook Reddit Email

Science News Archive February 2002


Page 7 of 8

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.

Genomic tools reveal new microbial phototrophs in the ocean

Researchers found diverse bacterial photosynthetic genes in ocean plankton, actively harnessing energy from light, revealing new types of phototrophs. This discovery has significant implications for oceanic food web models and global carbon budget management.

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.

American Thoracic Society Journal news tips for February (first issue)

A new study found that caregivers with higher perceived stress levels had infants who experienced more wheezing episodes during the first 14 months of life. Additionally, exposure to German cockroach allergen was associated with increased risk of asthma attacks in susceptible children. Researchers also developed a molecular model of th...

Potential allergy vaccine boosts hope for sufferers

Researchers at the University of Melbourne have developed a potential allergy vaccine using a modified rye grass protein that reduces allergenic response while boosting immune system. The vaccine, delivered in its pure form, may significantly reduce risk of anaphylactic shock and increase immunotherapy efficacy.

Satellites tracking climate changes

Researchers mapped areas of Africa at risk for RVF outbreaks, identifying conditions necessary for breeding mosquitoes that transmit the virus. Satellite data also suggested a link between dry to wet changes in tropical regions and Ebola outbreaks.

Cancer-causing drug safe and effective in treating eye disease

Researchers found that high-dose, short-term chlorambucil treatment resulted in sustained inflammation reduction for 77% of patients with severe, non-infectious uveitis. The study's findings suggest that chlorambucil may become a preferred treatment option for these patients.

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.

Misclassification of death may influence perceived value of cancer screening

A study found that two forms of bias in cause-of-death classification affect the results of randomized trials on cancer screening. Sticky-diagnosis bias biases against screening, while slippery-linkage bias biases in favor of screening. The authors suggest using all-cause mortality to accurately assess the value of screening.

Other highlights in the Feb. 6 issue of JNCI

Researchers found that response rates, survival rates, and quality-of-life outcomes are similar between elderly patients (ages 70+) and younger patients with non-small-cell lung cancer. Additionally, studies report an increased risk of lung cancer after Hodgkin's disease treatment, especially in smokers, and analyzed cost-effectiveness...

Dartmouth research examines the value of cancer screening

A Dartmouth study found biases in cancer screening trials that may have overestimated its benefits, suggesting a need for alternative mortality analysis methods. The research recommends using all-cause mortality alongside disease-specific mortality to ensure accurate assessment of screening's value.

Discovery of bacterial 'touch sensor' could lead to biofilm treatments

Biologists at Princeton University discovered a protein that initiates biofilm formation in E. coli bacteria, using a 'touch sensor' mechanism to sense solid surfaces. This finding suggests disrupting this sensing mechanism could be an effective strategy for developing new antibacterial agents targeting biofilms.

Former astronaut Aldrin, Purdue engineers planning Mars hotels

Researchers plan to use cycler spacecraft, which would constantly ferry people and materials between Earth and Mars, to enable human exploration and colonization of the Red Planet. The cyclers would rotate slowly to create artificial gravity and provide comfortable accommodations for passengers on long trips.

Apple iPhone 17 Pro

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

Hormone therapy may boost quality of life, say Stanford researchers

A Stanford study shows that hormone therapy can improve mental health and reduce depression in women experiencing hot flashes, but may have negative effects on those without symptoms. The research suggests that women should discuss their individual risks and benefits with their doctor before making a decision.

Tanning lamps may increase risks of skin cancers

A statewide study found that people who used tanning lamps were 2.5 times more likely to develop squamous cell carcinoma and 1.5 times more likely to develop basal cell carcinoma than non-users. The risk of these skin cancers increased with younger age at use.

Tanning devices may contribute to incidence of common skin cancers

A new study found that individuals who used tanning devices were 2.5 times more likely to develop squamous cell carcinoma and 1.5 times more likely to develop basal cell carcinoma compared to those who did not use them. The risk of these cancers increased with the age at which participants started using tanning devices.

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.

Satellites vs. mosquitoes: Tracking West Nile Virus in the U.S.

A NASA-funded study utilizes satellite data on temperature and vegetation to forecast West Nile Virus transmission and identify high-risk areas. The analysis reveals that mosquito populations thrive in warmer, wetter conditions, allowing researchers to pinpoint disease hotspots and make predictions about future outbreaks.

A greener, cleaner groundwater cleanup process

A new bioremediation process, Bioavailability Enhancement Technology (B.E.T.), has been successfully tested at the Idaho National Laboratory's Test Area North. The technology accelerates the degradation of trichloroethene (TCE) in groundwater plumes, making it a cost-effective solution for cleaning up contaminated aquifers.

NASA challenges teachers and students to comet contest

The Cornell and Contour Comet Challenge encourages students and teachers to create educational programs about the spacecraft's goal to study comets. The challenge includes two winning teams that will receive a trip to Kennedy Space Center and educational materials.

A few drinks a day do no harm to the alcoholic heart

Researchers at Jefferson Medical College and University of Barcelona found that moderate drinking from one to four drinks a day improved heart function in men with alcohol-related heart failure. The study suggests a threshold drinking level for alcohol-related heart damage, below which there is no harm.

Meta Quest 3 512GB

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

Honing the tools to identify clues to surviving cancer

A five-year project aims to create a tool that allows researchers to compare DNA, proteins, and biological factors between cancerous and non-cancerous tissues. This database will be built on unidentifiable data from 1.6 million pathology reports and six million tissue blocks from various Indianapolis hospitals.

HIV/AIDS impact on education intensifies economic downfall

The HIV/AIDS epidemic in Mozambique is taking a toll on education, leading to reduced school enrollments, graduation rates, and quality of education. The report predicts that the country's economy will be smaller than expected by 2010 due to reduced productivity growth, population growth, human capital accumulation, and physical capita...

Researchers identify a key 'brake' of the immune response

Scientists have identified ILT3 and ILT4, a key pair of molecules that function as a brake for the immune response. Increasing their activity on dendritic cells may create tolerance to foreign tissues, while decreasing it can enhance the immune response against malignant cells.

Safety of home births

A Canadian study finds that home births attended by midwives have comparable perinatal outcomes to hospital births, including lower rates of maternal infection and neonatal complications. However, the authors recommend ongoing monitoring for rare adverse outcomes such as hemorrhage and ventilator support.

Celestron NexStar 8SE Computerized Telescope

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

Annals of Internal Medicine tip sheet Feb. 5, 2002

A large study of men's health habits found that a prudent diet significantly reduces the risk of developing type 2 diabetes. The study indicates that avoiding weight gain and eating a balanced diet may substantially reduce this risk, highlighting the importance of a healthy lifestyle in preventing the disease.

Researchers identify gene in rare form of epilepsy

Researchers have identified a gene called LGI1 associated with a rare type of epilepsy characterized by auditory hallucinations and other symptoms. The discovery provides new insights into the cause of common epilepsy.

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.

High CO2 levels hamper nitrate incorporation by plants

Researchers found that elevated carbon dioxide levels hinder nitrate assimilation in plants, leading to reduced protein content and increased risk of malnutrition. The study suggests a shift from nitrate to ammonium fertilizers may be necessary to maintain crop yields under high CO2 conditions.

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.

Rapid weight gain in infancy may lead to obesity at age 7

Researchers found rapid weight gain during the first four months of life significantly associated with an increased risk of being overweight at age seven. The study also found that even a modest increase in weight gain of 100 extra grams per month resulted in a 25% higher risk of being overweight.

Canada lags in use of blood conservation techniques

A study of 4535 medical records found that autologous blood donation programs were used in only 18.6% of patients, despite being eligible, and reinfusion of blood was used in just 2.4% of all cases. Experts recommend greater cooperation among anesthetists, surgeons, and transfusionists to improve blood conservation techniques.

British public supports mercy killing

A survey of British public attitudes found strong support for mercy killing, with 84% in favour of doctors assisting patients to die. Those without religious convictions were more likely to back the practice, while people with strong faiths opposed it. The results suggest a shift in public opinion on the issue.

Organizations renew professionalism vows

Three influential organizations of internal medicine physicians unveil a new charter on medical professionalism, outlining three fundamental principles and ten definitive professional responsibilities. The charter aims to promote an action agenda for the profession, addressing challenges in healthcare delivery, technology, and globaliz...

Harlem residents suffer more from oral health problems

A study conducted in Harlem found that 30% of adult residents suffer from oral health problems, with those with public insurance only slightly more likely to receive care due to limited provider availability. The high rates of unemployment and lower household income may be contributing factors.

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.

Johns Hopkins scientists find brain's nose plug

Researchers at Johns Hopkins have discovered that a protein called CNGA4 helps the brain adapt to smells by plugging a channel in odor receptor cells. The study found that mice without this protein can't adapt to odors, and the electrical signal from these neurons stays constant over time.

Experts offer the skinny on search for healthy fat

Researchers at Purdue University recommend consuming omega-3 rich foods like fish, lean meat, fruits, and vegetables to balance fatty acids. Limiting omega-6 fat sources, such as processed meats and vegetable oils, can also help reduce chronic diseases.

Eat your veggies: Indirect anti-oxidants provide long-term protection

Researchers found sulforaphane's phase 2 enzymes protect cells against oxidants for up to three days, preventing damage from cancer, retinal degeneration, and other conditions. Eating large quantities of vegetables, especially cruciferous ones, helps fight disease by increasing antioxidant defenses.

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.

Tether for water channels found: May impact research on brain swelling

Researchers have made a groundbreaking finding that may impact brain swelling research by discovering how the Aquaporin-4 protein is tethered to Syntrophin, leading to better understanding of the blood-brain barrier. The study's results suggest that AQP4 and Syntrophin play a crucial role in regulating water flow in the brain.

MIT's robotic helicopter makes first acrobatic roll

The MIT team's X-Cell 60 model rotorcraft performed a 360-degree aileron roll autonomously, marking the first-ever achievement in its kind. The helicopter's small size and low cost make it an attractive option for military reconnaissance or aerial filming.

Bodybuilders abusing prescription-only drugs bought on the Internet

A bodybuilder admitted to hospital with blackouts, abnormal heartbeat, and symptoms attributed to bromocriptine, a drug easily obtained online. Many professional bodybuilders use bromocriptine to burn fat during training, highlighting the ease of access to prescription-only drugs through the internet.

Cave men diets offer insights to today's health problems, study shows

A recent study published in European Journal of Clinical Nutrition found that wild game meat and grass-fed beef contain a balance of essential fats, including healthy omega-3 fatty acids and lower levels of unhealthy omega-6 fat. This ratio is associated with reduced cholesterol levels and lower risk of cardiovascular disease.

The hidden danger of hockey

The study found that all participants exceeded their maximum heart rate target, with slow heart-rate recovery common among them. Dr. Murray Mittleman cautions against warning off players, instead suggesting regular exercise throughout the year to mitigate cardiac risks.

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.

Exposure to toxin in certain foods could cause testicular cancer

A new theory proposes that exposure to ochratoxin A during pregnancy or early childhood can induce damage to testicular DNA, increasing the risk of testicular cancer. Testicular cancer is more common among people of higher socioeconomic levels, who are more likely to breastfeed.

Researchers develop world's first light-tunable 'plastic' magnet

Scientists at Ohio State University developed a plastic material that becomes highly magnetic when exposed to blue light, but loses some magnetism with green light. The technology has potential for future applications in magneto-optical systems for writing and erasing data from computer hard drives.

Hormone can predict future congestive heart failure

Researchers tested BNP levels in 325 patients with dyspnea, finding those with high levels had a 51% chance of developing congestive heart failure or dying within six months. The study supports the use of BNP testing as a tool for diagnosing patients at risk of congestive heart failure.

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.