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Science News Archive June 1998


Page 2 of 4

Researchers Discover Way To Grow New Kidneys In Rats

Researchers at Washington University School of Medicine have successfully grown new kidneys in rats by placing developing rat kidneys inside adult rat abdominal cavities. The resulting organs function and thrive, suggesting a possible alternative to traditional kidney transplantation.

Safe And Effective Treatment For Acute Repetitive Seizures

A unique gel formulation of diazepam has been found to reduce the severity of acute repetitive seizure episodes in both children and adults. The treatment, administered through a Quick-Dose delivery system, protects patients from seizure recurrence and enables caregivers to administer treatment privately.

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 Packaging Sweetens Grapefruit Juice

Researchers at Cornell University have developed a special type of packaging that reduces the bitterness in grapefruit juice. The new packaging system uses an enzyme called naringinase to neutralize the bitter compounds found in fresh citrus fruit, resulting in a sweeter taste.

Old Drugs, New Tricks

Fibrates, used for decades to treat hyperlipidemia and atherosclerosis, have been shown to reduce inflammation in vascular muscle cells, inhibiting the production of pro-inflammatory cytokines. This mechanism suggests that fibrates may have a beneficial vascular action during atherosclerosis treatment.

At Last, Zoologists May Know What Is Killing The World's Amphibians

A new fungus has been discovered that is killing frogs and toads worldwide, with 10 species affected in Australia and seven in Panama. The fungus, thought to be suffocating the animals by coating their skin and legs, may be a major factor behind the decline of amphibian populations reported globally.

Apple iPhone 17 Pro

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

Ligand Scientists Discover Tissue-Selective Female Hormone Mimics

Scientists from Ligand Pharmaceuticals Incorporated have discovered two novel non-steroidal progestin compounds, (S)-LG120746 and (S)-LG120747, that selectively stimulate tissues within the body. These compounds demonstrate a protective activity in the uterus without concomitant stimulation of breast-cell growth.

Study Finds St. John's Wort Can Cut Alcohol Consumption

A University of North Carolina at Chapel Hill study found that St. John's Wort can cut alcohol consumption in laboratory animals by up to 50 percent. The herb's active ingredient, hypericin, may prove effective in the fight against alcoholism without causing side effects.

Celestron NexStar 8SE Computerized Telescope

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

Elderly Modify Homes Despite The Cost

A Cornell University study reveals that 6.4 million homes have modifications to accommodate elderly residents' physical limitations. The most common types of modifications include bathroom grab bars and wheelchair ramps, with 60% of homes with someone over 90 modified for mobility.

Modafinil Improves The Quality Of Life Of Narcolepsy Patients

A study found that modafinil significantly improved the quality of life for patients with narcolepsy, reducing daytime sleepiness and increasing productivity. The medication provided sustained benefits over an extended period without debilitating side effects.

Cornell Wins Student Product Development Competition With "Wrapidos"

At the Institute of Food Technologists' annual meeting, Cornell's 'Wrapidos' took top honors for its leak-proof and moisture barrier design. The snack, consisting of shaped pita pockets wrapped around three sides with an open side for stuffing, was inspired by a mother-daughter duo's request for a mess-free snacking solution.

Largest Generation Of Adolescents Faces Reproductive Health Risks

The largest generation of adolescents is at risk of premarital pregnancy, STDs, and adverse health effects. Key findings include increased time between first intercourse and marriage, low contraceptive use among teens, and the influence of peers and partners on adolescent sexuality.

Antidepressants Can Lead To Mouth Infections

Researchers warn that antidepressants can lead to dental cavities and oral infections by reducing saliva production. Saliva is essential for cleaning teeth and remineralizing them. Dentists should be informed about the risks of antidepressant use to prevent these issues.

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.

Brain Antibodies Provide New Clues To Origins Of Tourette's

Researchers at Johns Hopkins Medicine have discovered that brain antibodies may trigger Tourette's syndrome in part by attacking brain nerve cells after a bacterial infection. The study found higher levels of antibodies against proteins in the putamen area of the brain, suggesting a link between infections and Tourette's symptoms.

"A Little Bit Here" And "A Little Bit There" Can Add Up To A Big Problem

The report highlights the problems caused by nonpoint source pollution, including eutrophication, which can lead to fish kills, coral reef destruction, and shellfish poisoning. The report provides solutions, such as reducing fertilizer applications, improving sewer systems, and restoring wetlands.

Jefferson Researchers Provide Leads To Potential Parkinson's Treatment

Researchers at Thomas Jefferson University found that a naturally occurring substance in the cell membrane, GM1 ganglioside, improved symptoms in Parkinson's disease patients and slowed progression. The study showed significant differences in motor abilities between those who received the drug and those who did not.

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.

Getting A Solid View Of The Suns's Corona

Scientists plan to use stereo imaging to analyze the three-dimensional structures of the Sun's corona, which can help predict explosive events like coronal mass ejections and solar flares.

Why Some Microwaved Foods Explode

A Cornell University professor has developed mathematical and computer models to explain how different foods are affected by microwave heating. The models take into account food characteristics, placement in the oven, and oven power, providing a quantum leap in understanding of microwaving behavior. This research aims to improve the U....

One-Time Needles Don't Reduce HIV Among Addicts, Study Shows

A study by INFORMS shows that introducing difficult-to-reuse syringes, also known as DTRs, into the current needle population does not reduce HIV rates among addicts. In fact, it increases the risk of exposure to infectious needles due to increased reuse of regular syringes.

Heart Disease Kills More Women In Poorer Neighborhoods

New research reveals that women living in low-income areas with single-parent households are more likely to die from heart disease, possibly due to increased social and physical stress. The study also found that African American women face higher mortality rates due to neighborhood environments that exacerbate health disparities.

New Journal Issue Updates Alternative Testing Advances

New research from the Ispra, Italy meeting of the Scientific Group on Methodologies for the Safety Evaluation of Chemicals has made significant progress in developing and validating alternative methods to animal testing. These advances aim to reduce animal pain and distress while improving human health protection and environmental prot...

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.

A Hint Why Hormone Therapy For Prostate Cancer Ultimately Fails

Researchers found that anti-androgen drugs can trigger the protein that makes prostate and cancerous cells grow, leading to a possible explanation for why hormone therapy loses effectiveness after one or two years. The study suggests that more research is needed to confirm the results.

New Technology Deposits Bone-Regenerating Materials On The Surface Of Implants

Researchers have developed a new coating technique called Surface Induced Mineralization (SIM) that facilitates bone growth around implants, potentially extending their lifespan. The water-based process incorporates growth factors to promote new bone cells, addressing a common issue with implants becoming loose after 10 years.

Now Chemistry Keeps Salty Taste Balanced In Smoked Fish

Researchers at Eastern Oregon University developed a new method to assess salt content in fish, reducing waste and ensuring food safety. The technique uses near-infrared spectrophotometry to analyze the salt content of live fish, allowing for precise addition of salt to meet safety standards.

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.

Intestinal Bug Likely Killed Alexander The Great

Experts at the University of Maryland Medical Center have re-examined historical records and found that symptoms described for Alexander's death, such as chills, sweats, and high fever, are consistent with typhoid fever. The disease can cause abdominal pain, which may have contributed to Alexander's reported agony.

USDA Researchers Prepare A New Trap For The Potato Beetle

Researchers at the USDA's Agricultural Research Service are working on a new synthetic trap to lure and capture potato beetles. The trap uses an artificial plant odor that mimics the scent released by damaged plants, which attracts the beetles.

Vitamin C May Reduce Angina, Heart Attack Risks

Researchers found that patients with high vitamin C levels had improved blood vessel function, reducing the risk of unstable angina pectoris. A 500 milligram daily supplement of vitamin C may also be beneficial in improving blood vessel dilation and reducing heart attack risks.

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.

Increased Interest In "Smart" Materials Is Reported

Researchers are developing smart materials for various applications, including artificial limbs that can pick up objects, gel implants that release drugs as needed, and bridge models that prevent structural damage. These advancements could save lives by preventing accidents and improving safety in infrastructure.

Report Focuses On Managed Care Impact In Clinical Microbiology Labs

The report highlights the need for clinical microbiologists to integrate new technologies with existing methods to provide high-quality service. It emphasizes the importance of rapid laboratory turnaround times, particularly in outpatient settings, where clinicians require timely results to inform treatment decisions.

DFG To Set Up 14 New Collaborative Research Centres

The DFG is establishing 14 new collaborative research centres across Germany, focusing on areas like biology/medicine and natural sciences. These initiatives will enable universities to conduct costly long-term research projects with a focus on young scientists' autonomy.

Virginia Tech Biologists' Discoveries Could Help Target Cancer Treatment

Researchers at Virginia Tech have discovered a protein called Replication Protein A (RPA) that plays a crucial role in regulating cell differentiation and proliferation. The study's findings suggest that RPA could be a potential target for therapeutic intervention in cancer treatment, offering new hope for gene therapy.

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.

Scientists Trace The Origin Of "Idaho Potatoes"

A study by University of Idaho researchers reveals that trace elements in produce can determine its geographic origin through chemical analysis. The accuracy of this classification has been excellent with a model based on nearly l,000 potatoes, helping to combat mislabeling practices that harm consumers and growers.

Learning To Feel Chronic Pain

Researchers found that the brain enhances pain signals through silent synapses, which can lead to persistent pain. Blocking these pathways may lead to better treatments for chronic pain.

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.

New Data Show Dangerous Interaction Between Blood Pressure Drugs

Case reports reveal four patients died or went into shock after switching from mibefradil to other calcium channel blockers, highlighting the dangerous interaction between the two drugs. The risk is attributed to mibefradil's long half-life and its ability to inhibit liver enzymes that metabolize other medications.

Educational Intervention Can Reduce Sexual Behaviors Known To Transmit HIV

A study by Johns Hopkins Bloomberg School of Public Health found that educational interventions can cut high-risk sexual behaviors in half and more than double the regular use of condoms. The study enrolled 3,706 men and women from public health clinics and showed significant reductions in high-risk behaviors over a one-year period.

Forum Urges Medicare Reform To Emphasize Health Promotion

The forum emphasized the importance of expanded Medicare coverage for prevention programs and wellness promotion to reduce healthcare costs. Experts called for incentives, such as reduced premiums, for individuals who undertake health lifestyle behaviors.

UCSF Study Finds Popular Blood Thinner Does Not Weaken Bones

A new study published in the Annals of Internal Medicine has found that warfarin, a commonly used blood thinner for older women, does not weaken their bones. The study, which tracked over 6,000 post-menopausal women for two years, found no significant difference in bone thinning or fractures between warfarin users and non-users.

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.

Montana Anti-Cancer Discovery Sublicensed To Major Drug Manufacturer

A breakthrough in taxol production has been made by Cytoclonal Pharmaceutics Inc. and MSU, moving the technology closer to manufacture and use. The sublicense agreement with Bristol-Myers Squibb aims to develop microbial fermentation of taxol, a renewable source for the potent drug.

Crystal Structure Of Key HIV Protein Reveals New Treatment Targets

A team of scientists has made a breakthrough discovery in understanding how the HIV virus attaches to immune system cells, revealing new targets for anti-HIV vaccines and drugs. The study found that the virus uses multiple defenses to evade attack, including shape-shifting projections and carbohydrate molecules.

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.

Rewiring The Brain

A protein called osteogenic protein-1 (OP-1) may speed the recovery of stroke patients by rewiring damaged brain cells. The experiment used rats and showed that OP-1 helped them recover lost movement in their limbs quickly, outperforming those in a control group.

One In Four Elderly Cancer Patients Receives No Pain Medication

A new study found that daily pain among elderly nursing home residents with cancer is widespread and often untreated, especially among older and minority patients. The study highlights inadequate medical treatment and a need for improving pain management in these individuals.

Excess Thiamine May Help Tumor Growth, Research Shows

A new study reveals a link between excess thiamine and tumor-cell growth, suggesting that too much of the vitamin can actually help tumors grow. The researchers propose rational use of dietary thiamine may slow tumor growth.

Research Uncovers Possible New Explanation For Sonoluminescence

Researchers have discovered a possible atomic process behind sonoluminescence, which could aid in the emerging field of sonochemistry. The study proposes that stimulated atoms decaying in unison emit light, explaining the short pulses observed in sonoluminescence.

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.

First Federal Obesity Clinical Guidelines Released

The new guidelines provide a comprehensive framework for healthcare professionals to diagnose and treat overweight and obesity in adults. Key findings include the importance of assessing body mass index (BMI), waist circumference, and risk factors for diseases associated with obesity, as well as recommending calorie reduction, increase...

Crystal Structure Of gp120 Reveals HIV In Action

The crystal structure of gp120 in action provides valuable clues for vaccine design, revealing how the virus binds to T cells while maintaining changeability. Researchers can now use this information to create targeted compounds that interfere with the interaction between gp120 and CD4 receptors.

Stress Slows Healing Of Dental Wounds By 40 Percent

A new study found that stress can lengthen the time dental wounds take to heal by 40% and reduce interleukin-1 production, a crucial cytokine for wound healing. Researchers believe that early supportive therapies may counteract this slowing effect, which occurs in the first few days after injury.

Bless You

Scientists have found that parts of the protein shell of the common cold virus flap open in a motion called "breathing", which can be stifled by compounds that stop viruses from infecting cells. This discovery could lead to rapid screening methods for antiviral drugs.