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Science News Archive May 1999


Page 4 of 5

Fossil Footprints Show Foot-Movement Similarity In Dinosaurs And Birds

Researchers discovered three-dimensional record of locomotor behavior in Triassic-period dinosaurs preserved in fossil footprints. The tracks showed that both theropod dinosaurs and birds moved their feet in a similar way, with the toes collapsing together below the surface as the entire foot emerged.

Normal Cameras Can Now Take Digital Pictures

Kodak and Intel are teaming up to produce a device that lets normal stills cameras take digital pictures. The new technology uses microchips that can be built into film cameras, allowing images to be transferred to CD-ROM for permanent storage.

Apple iPhone 17 Pro

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

Yes, It Is Warmer

A new study reveals that global surface temperatures have increased by 14.6 degrees Celsius, with the warmest years on record occurring in the 1990s. Most of the warming has occurred over the northern continents during specific seasons.

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.

Discovery Of Mechanism Causing Colon Cancer

Researchers have found a link between beta-catenin and cyclin D1 in colon cancer cells, leading to uncontrolled cell growth and tumor formation. This discovery may lead to new therapies for colon cancer and potentially other types of cancer.

Tougher Than Silicon

Researchers have created an alloy that can handle high-power and high-frequency microelectronic devices better than pure silicon-carbide. The alloy conducts twice as much current, making it a promising material for next-generation electronics.

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.

Marker Found For The Most Malignant Brain Tumors

Researchers at Penn State's College of Medicine have identified a marker for certain types of brain tumors, including glioblastoma multiforme (GBM), which are the most prevalent and difficult-to-manage. The marker, interleukin 13 receptor, is present in over 90% of patients with GBM, making it a valuable diagnostic tool.

Less Bleeding On The Battlefield

Researchers have identified a compound with blood clot-forming abilities without normal clotting proteins, promising reduced bleeding on the battlefield. The Marine Polymer Technologies company found that poly-n-acetyl glucosamine effectively stops severe bleeding even without fibrin or thrombin.

Male Moth's Sperm Protects Females

A male rattlebox moth donates a plant-derived chemical to his female, protecting her against spiders and her eggs. The female can also benefit from this nuptial gift, with the Cornell study proving that she profits from the male's alkaloidal gift.

Whole Sun Month At Solar Minimum: Results Of A Worldwide Study

A worldwide study of the Sun's quiet period reveals insights into solar activity and its effects on Earth. The research, published in the Journal of Geophysical Research, explores the Sun's large-scale, stable structures that dominate the solar corona at solar minimum.

Celestron NexStar 8SE Computerized Telescope

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

Endangered Species' Recovery Plans Face Comprehensive Scientific Review

A comprehensive review of 200 endangered species recovery plans aims to evaluate their effectiveness and inform future improvements. The study, led by University of Washington zoologist Dee Boersma, will analyze factors such as species type, region, and plan revisions to determine the success of these plans.

Women May React To General Anesthesia Differently Than Men

Women are less sensitive to anesthetic drugs, waking up almost twice as fast as men when general anesthesia is discontinued after surgery. This may lead to a need for more anesthesia during procedures, impacting patient care and recovery time.

Researchers Engineer A Way To Improve T-Cell Receptors

University of Illinois scientists developed a method to improve T-cell receptor properties, allowing for manipulation of the immune system's recognition molecules. This breakthrough could lead to new therapeutic approaches for diseases such as AIDS, cancer, and multiple sclerosis.

UCSB Transistor Triumphs

The UCSB transistor achieved a world record frequency of 1200 gigahertz, significantly improving the sensitivity of solid-state radar systems. This innovation enables Navy systems to detect small objects in cluttered environments, such as coastal zones.

Exploring Ocean Optics

A five-year ONR-sponsored initiative aims to investigate optical properties of the shallow ocean floor to enhance remote sensing and underwater imaging capabilities. The experiment will aid in mine detection and provide high-resolution maps of coral reef ecosystems, enabling easier disease spotting.

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.

K-State Researchers Study Pest Resistance Management

Researchers at Kansas State University conducted a genetic study on corn borer resistance to Bt toxins, finding that the European corn borer's resistance appears to be inherited as an incompletely dominant trait. The team emphasizes the importance of developing effective resistance management plans to mitigate potential losses.

Breakthrough On Microbial Disease Published InScience

Researchers at University of California, Santa Barbara have discovered a way to disarm microbial pathogens using a novel approach. The findings, published in Science, identify a master switch that controls bacterial infection and lead to the development of new vaccines and antibiotics.

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.

The Human Capacity For Mathematics

Researchers confirm two-mode theory of mathematical thinking, locating it in the brain. Bilingual volunteers show sharp language-dependent lag in exact calculations, but not in estimates. The findings may lead to new teaching methods for children who struggle with numbers.

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.

Confidence Can Play A Part In The Feel-Good Effects Of Exercise

A recent study published in Health Psychology suggests that self-confidence about exercise plays a significant role in its emotional benefits. The higher a person's self-efficacy, the more likely they are to experience positive emotions during physical activity.

Combination Therapy Improves Chances Of Surviving Esophageal Cancer

A combination of radiation and chemotherapy treatment significantly increased overall survival in esophageal cancer patients, with 22% surviving at least eight years after treatment. The study found that this combined therapy was associated with longer survival compared to radiation therapy alone.

Web-Search Tool Shows Results Graphically, Allows For Edits And Saves

The Visualization of Information Tool (VisIT) graphically displays search results, allowing users to add, delete, and rearrange sites. This tool is expected to make searches more efficient and fruitful for anyone using the web, particularly teachers and students who can use it to organize knowledge in a more intuitive way.

Successful 'Green' Solvent Found For Problematic Chemicals

Researchers at University of Notre Dame and Pittsburgh have successfully developed a new process to separate problematic chemicals from ionic liquids using supercritical carbon dioxide. This environmentally benign solvent eliminates the need for distillation, which is impractical with low-vapor-pressure compounds, and can effectively r...

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.

Timing Of Cockpit Members' Communication In Crisis Is Critical

A University of Illinois professor's study reveals that crew members' communication timing greatly affects performance during emergencies. High-performing crews were found to be targeted and specific with their exchanges, while low-performing crews had a disconnect between training and actual conditions.

Enzyme Presence Could Be Key Factor In Wolf Health, Study Suggests

Researchers found that three out of 11 wild wolves carried the enzyme corticosteroid-induced alkaline phosphatase, which is also found in dogs. This enzyme reflects long-term stress and indicates the presence of hepatic disease in the wolves. In contrast, captive wolves had no enzyme, suggesting they are healthier.

Meta Quest 3 512GB

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

Researchers Track Path Of Safer Gene Delivery Method

Researchers at Rice University and the University of Texas-Houston Health Science Center have tracked the path that a polymer-DNA complex takes through a cell to its nucleus, where the new DNA can be read. This study improved our understanding of gene delivery and provided new knowledge for designing better nonviral carriers.

Rockefeller University Scientists Receive Prestigious Awards For Cancer Research

Rockefeller University scientists Dr. Arnold J. Levine and Dr. Robert G. Roeder have been recognized by the General Motors Cancer Research Foundation for their groundbreaking work on cancer research and gene transcription. Their discoveries are paving the way for new diagnostics and therapies, with p53 abnormalities associated with ove...

New Approach To Attacking Alzheimer's Disease Studied

Researchers have developed new chemicals that target the butyrylcholinesterase enzyme, which may help attack Alzheimer's disease. The study's findings suggest that inappropriate BChE activity increases the risk and progression of Alzheimer's disease, and preliminary studies indicate improved cognition and learning in rodents.

Key Peptides Found That Stop -- Even Reverse -- Kidney Disease In Lupus

Northwestern University researchers have identified key peptides that can halt and even reverse kidney disease in lupus. The peptides were found to be effective in delaying the onset of severe kidney disease in young mice and prolonging survival in adult mice with established kidney disease.

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.

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.

Tapping And Managing Natural Light To Reduce Building Energy Usage

A six-year research program at Lawrence Berkeley National Laboratory demonstrated how to integrate window and lighting technologies for enhanced energy efficiency and occupant comfort. The project resulted in significant reductions in electricity demand, with dimmable daylighting controls reducing peak demand by up to 40%.

Researchers Identify Molecule That May Be Key In Pheromone Processing

A research team at MGH and Harvard University identified a molecule called TRP2 that may play a crucial role in the process of converting chemical signals into nerve impulses in rats. This discovery suggests that humans might process pheromones through a different mechanism than most other mammals.

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.

Major Causes Of Early Childhood Death From Injury Identified

The study found that infants were more likely to die from injuries if their mothers were young, unmarried, or had lower levels of education. Infants who died from an injury were also more likely to be male, have low birth weight, and premature birth.

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.