Bluesky Facebook Reddit Email

Science News Archive 2000


Page 40 of 66

New 'combination therapy' improves survival for malignant melanoma patients

A Phase III study found that a combination of histamine dihydrochloride and lower doses of interleukin-2 improved overall survival, increased survival rates at 12, 18, and 24 months, and reduced time-to-disease-progression compared to IL-2 alone. The treatment was well-tolerated and had substantially less toxicity.

Infertility - an occupational hazard for drivers?

A study by French fertility experts found that long hours of driving can lead to higher scrotal temperatures, potentially affecting sperm formation and male reproductive function. The research measured scrotal temperature under normal driving conditions, revealing a significant increase in temperature over time.

Early escalation of cocaine intake is a predictor of addiction

A Yale University study suggests that individuals who quickly escalate their cocaine intake are more likely to become addicted. The research identified a key behavioral feature: excessive craving responses, which correlated with dramatic increases in cocaine intake before abstinence.

Apple iPhone 17 Pro

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

NEAR shows Eros is relic of solar system birth

The Near Earth Asteroid Rendezvous (NEAR) spacecraft has captured the chemical composition of asteroid Eros, indicating it is a primitive relic from the solar system's emergence from a cloud of gas and dust. The data suggest that Eros has remained largely unchanged since its initial formation.

Should adolescents be allowed to make health care decisions?

Canadian physicians consider whether adolescents should be allowed to make health care decisions, citing the concept of proportionality and competency. Most adolescents are deemed capable of making competent health care decisions, warranting respect for their autonomy.

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.

Folate status serves as harbinger for newborn health

A study of 1424 pregnant women in Newfoundland and Labrador found that less than 4% had deficient serum folate levels, but 27% had low red blood cell folate. The findings highlight a significant public health issue that should be addressed through daily folic acid supplements.

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.

'Lying' gets space-age results

A U of T engineer has devised a method to control vibrations in robots assembling or repairing objects in outer space. By entering a 'corrected' equation into the system, scientists can reduce deformations and complete tasks more quickly.

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.

Stone tools reveal ancient seafood diet

A new study of ancient stone tools in Eritrea reveals that early humans harvested seafood in Africa around 125,000 years ago. The discovery suggests a widespread adaptive strategy in early human behavior that spread across the continent between 115,000 and 125,000 years ago.

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.

Remote sensing of the social environment

Computer-aided text analysis software can quickly identify trends in public opinions on current issues, paralleling survey results at a fraction of the cost. Researchers can extend analysis back in time to establish trends and examine rate and direction of change.

Many common drugs promote tooth decay

Studies found that medications like clonidine and propranolol can significantly increase the risk of tooth decay in individuals with dry mouth. The research suggests that antihistamines, antidepressants, and other medications can alter saliva composition, making it less effective at neutralizing acids and remineralizing teeth.

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.

UI biologist receives grant to study acoustic management of swine odor

A University of Iowa biologist is studying the application of new acoustic technologies to manage gas production and potentially eliminate odors in large-scale pork production facilities. The goal is to reduce environmental impact and improve nutrient value of hog manure used in fertilizer.

NYU chemist develops molecule with switchable chirality

A NYU team has developed a molecule with switchable chirality by adding copper ions to methionine, which can be repeatedly switched and polarize light in opposite directions. This discovery could have significant implications for molecular computing and chiral material applications.

Fluke 87V Industrial Digital Multimeter

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

Vulnerable groups less likely to receive early HIV drug therapy

Research finds African Americans and others with lower education and income levels have delayed access to HAART, highlighting the need for improved healthcare services. Traditional vulnerable groups, including injection drug users and minority populations, are less likely to receive timely treatment.

How stress maintains population levels

A Cornell University study reveals that a naturally occurring disease can regulate a wildlife population, with house finches experiencing a dramatic drop in numbers after an epidemic began. The research provides insight into the dynamics of other host/disease systems and has implications for understanding diseases like AIDS.

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.

Ney honored for fish research

John J. Ney received the 1999 Outstanding Achievement Award from the American Fisheries Society for his long-term research on reservoir fish communities and their trophic relationships. His work has significantly impacted fisheries productivity, particularly in manmade waterbodies.

Air New Zealand honored in operations research competition

Air New Zealand won the INFORMS Edelman Award for its optimized crew scheduling project, which improves passenger service and reduces costs by over $15.6 million annually. The project uses advanced optimization methods to efficiently utilize crew resources, addressing a significant issue faced by airlines.

Dr. Pinkel receives Walter Munk Award for Distinguished Research

Dr. Robert Pinkel, a leading researcher in acoustical oceanography, has received the prestigious Walter Munk Award for his groundbreaking contributions to Doppler methods and sector scan sonar technology. His work has significantly advanced our understanding of small-scale ocean structure.

Biofeedback may help children with migraines

A new study suggests that biofeedback training can significantly reduce the number, intensity, and duration of migraines in children. The training helps children learn to control their brain's slow cortical potentials, reducing the likelihood of future migraines.

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.

Jeppesen Sanderson wins operations research prize

Jeppesen Sanderson was awarded the Franz Edelman Award for its successful implementation of optimization-based decision support tools, resulting in annual cost reductions of $3 million. The company achieved this through flexible planning and technology management, strengthening its competitive position and increasing operating profits.

Ford test vehicle optimization honored

Ford's Prototype Optimization Module (POM) reduced prototypes by one fourth, cutting weeks and millions of dollars from development. The module also promoted wider customer-oriented dialogue among design and test engineers and management.

FAA honored for reducing ground delays

The FAA was recognized by INFORMS for its Ground Delay Program Enhancement project, which has reduced delays by 90,000 hours and saved the airline industry over $150 million. The project uses collaborative decision-making tools to allocate arrival slots and issue ground delays.

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.

IBM honored second time for supply chain management

IBM was recognized by INFORMS for its supply chain management project, 'Matching Assets with Demand in Supply Chain Management with PROFIT at IBM Microelectronics.' The project improved asset utilization by $80 million and customer responsiveness to under one day. The award is the second time IBM has received this honor.

Brain scans of Gulf War veterans show brain damage

A study published in Radiology found that Gulf War veterans experienced significant brain-cell loss, particularly in the brain stem, right basal ganglia, and left basal ganglia. The loss of functioning brain cells was linked to various symptoms, including joint pain, fatigue, dizziness, and mental confusion.

Equatorial water may have provided means of survival

Researchers from the University of Toronto and Texas A&M University suggest that a belt of open water near the equator may have supported life during the Snowball Earth era. This region could have provided refuge for early multi-celled animals, enabling them to survive and thrive in the face of extreme climate conditions.

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.

UniStates, Tufts University collaborate on new technology

The partnership aims to create lightweight materials using distributed porosity technology, improving fuel efficiency, safety, and comfort. The collaboration will also develop manufacturing systems and facilities for commercial-scale production of RMT-based products.

Gene responsible for aging found in yeast

Scientists have discovered a gene in yeast that plays a key role in regulating the aging process. The SIR2 gene helps slow down aging by silencing certain genes, and its activation can extend the life span of yeast cells. This breakthrough could lead to the development of new anti-aging therapies.

UT Southwestern researchers develop severity index for Alzheimer's disease

Researchers at UT Southwestern Medical Center have developed an easy and inexpensive index to measure the severity of Alzheimer's disease. The index correlates a simple lab test determining platelet Alzheimer's plaque protein (APP) in blood with cognitive decline, as measured by the Mini-Mental State Exam.

Study suggests many e-mail users cut long-distance calls

A study found that nearly half of e-mail users make fewer long-distance calls due to the convenience of online communication. E-mail excels in scheduling conflicts, while telephone is preferred for emotional expression and companionship.

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.

Researchers identify key enzyme in aneurysm development

The study identified metalloproteinase-9 (MMP-9) as a key player in the development of abdominal aortic aneurysms. The researchers found that MMP-9 production was significantly reduced in patients who took doxycycline, suggesting a potential therapeutic strategy for preventing aneurysm expansion.

Asprin-like drugs may be useful for cancer treatment, study suggests

A recent study suggests that aspirin-like drugs could be useful in treating cancer by reducing tumor growth and angiogenesis. The researchers found that eliminating the gene for cyclooxygenase-2 (COX-2) or using COX-2 inhibitors significantly slowed down lung tumor growth in animal models.

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.

UNC-CH experiments reveal new 'pen' can disinfect water

Researchers have developed a battery-powered disinfecting pen that can inactivate waterborne parasites, viruses, and bacteria within minutes. The device generates mixed oxidants from a salt solution, delivering safe drinking water even better than plain chlorine.

Biomedical informatics research group develops teaching/diagnostic software

The Biomedical Informatics Research Group created a Java-based Problem List Generator learning tool to help veterinary students develop higher-order thinking skills through case-based problems. The technology has shown success and is being funded by the US Department of Agriculture for further development.