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Science News Archive May 2000


Page 4 of 6

AAPS workshop to examine changes in analytical methods and packaging

The AAPS Workshop on Analytical Methods Post Approval Changes and Packaging Post Approval Changes brings together experts to discuss scientific issues related to post-approval changes. Speakers will explore viable approaches to predict the impact of these changes on drug quality.

Annals of Internal Medicine, Tip Sheet, May 16, 2000

Two studies in Annals of Internal Medicine explore cost-effectiveness of statins on specific populations. Statin therapy was found to be reasonably cost-effective for patients aged 75-84 years old with a history of heart attack, increasing life expectancy by four months while costing $18,800 per quality-adjusted life year. Cost-effecti...

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.

UCSF to coordinate large clinical trial of new osteoporosis therapy

A large clinical trial is underway at UCSF to study a combination drug therapy for osteoporosis, using recombinant human parathyroid hormone (1-84) and alendronate. The trial aims to combine agents that speed up bone formation and resorption with those that slow down resorption, resulting in a net gain of bone strength.

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.

Multiple race option in census may be more popular than expected

A study by Princeton researchers estimates that 8-18 million Americans may identify with more than one race in the 2000 census, several times greater than previous estimates. The vast majority of likely multiple race respondents chose 'White' when faced with the traditional single-response race question.

Center for Civil War Studies will produce videos about West Virginia

The two-part documentary series explores how West Virginia became a separate state, with equal support for northern and southern causes. The series highlights the military actions and events that led to West Virginia's secession from Virginia and its subsequent development as a distinct state.

Older maternal age affects risk of low birth weight infants among latinas

A new study reveals that older Latina women are at a higher risk of having low birth weight infants, contradicting previous assumptions. The research, which analyzed data from over 220,000 Mexican-origin Latina women, found that maternal age was a significant factor in determining infant birth weights.

Sequencers take a bird in hand

Researchers sequenced a region of the house finch genome, showing similarities to mammalian genomes in structure. The study found that birds' compact genomes favor metabolic demands related to flight, supporting shared basic genome structure with mammals.

Gamma ray hide & seek

A new study suggests that most gamma radiation reaching Earth is leftover energy from massive shock waves caused by gravitational forces. The collision of electrons with low-energy photons could be a sign of ordinary matter captured within intergalactic clouds, shedding light on the 'missing matter' puzzle.

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.

Apple iPhone 17 Pro

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

Taking public health to the streets works

A door-to-door campaign in Auckland, New Zealand raised awareness of meningococcal disease among at-risk populations. The campaign, initiated in 1998, used lay educators to visit over 11,000 homes and deliver key messages about the disease.

OHSU researchers discover new synapses in brain

Researchers at OHSU have discovered new synapses between nerve cells and oligodendrocytes, suggesting a key role in myelin formation. These connections may help answer questions about how nerve cells regulate myelin production, potentially leading to treatments for multiple sclerosis.

Scientists find unique nuclear DNA structure

Researchers at the University of Southern California have discovered a unique nuclear DNA structure that helps elucidate the process of immunoglobulin class switching. This finding may provide insights into B cell cancer, such as Burkitt's lymphoma.

Recreational use of cocaine promotes blood clots

A recent study published in Heart journal has found that recreational cocaine use promotes the formation of blood clots, leading to an increased risk of heart attacks. The research, which monitored 14 young adults after they received a dose of cocaine, showed that even occasional use can have significant effects on cardiovascular health.

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.

Success of introduced Argentine ants tied to reduced genetic variation

Biologists at UCSD discovered that the Argentine ant's ability to thrive in California is due to its low genetic diversity, which allows it to recognize and accept individuals from the same colony. This has led to the formation of a single, large 'supercolony' that dominates native species.

Internet increases value of used and rare books, study finds

A new Ohio University study reveals that e-commerce has increased the value of used and rare books, with online sales accounting for a 12.5% increase in book sales. The study also found that prices for rare books have climbed, while common titles have seen stabilization or decrease in price.

Scientists find evidence for black hole in nearby galaxy

Astronomers have found evidence of a supermassive black hole similar to the one in our Milky Way in a nearby galaxy. The discovery was made using spectra from the Hubble Space Telescope and reveals details about the object's mass that could help scientists understand how these celestial phenomena are formed.

New research on maritime alcohol: A few sips may sink ships

A new study found that two to three drinks significantly affect mariners' performance, making it twice as long to correct system failures after consuming alcohol. The researchers recommend lowering the current blood alcohol concentration limit for commercial ship personnel to mitigate this risk.

Meta Quest 3 512GB

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

Mutations identified in gene causing blindness, early heart attacks

Molecular geneticists have characterized gene mutations in families with pseudoxanthoma elasticum (PXE), a rare inherited disorder that can lead to blindness, early heart attacks, and cardiovascular disease. The study provides the basis for DNA-based carrier detection, prenatal testing, and improved diagnosis of the condition.

Chemical discovered that causes plant tumors

Researchers at Oregon State University have discovered a new class of chemicals called 'bruchins' that signal a plant to form a benign tumor, helping prevent insect infestation. The unusual chemical can induce tumor formation even at low levels, with precise effects on the plant.

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.

Safety education program seems to have little effect

A recent study found that a half-day safety program for kindergarten students showed minimal improvement in basic safety skills. The research compared two groups of children, one that participated in the program and another that did not, but found no significant difference in their scores. This suggests that many safety programs, like ...

Images of evolution

Researchers have used new methods to track the evolution of human chromosomes over a 130 million-year period, finding that one chromosome is shared only with chimpanzees. By examining analogous chromosomes in other mammals, scientists can reconstruct how human chromosomes evolved from ancient origins.

Pennsylvania's Early Discharge law results in increased health care costs

A study by Thomas Jefferson University found that Pennsylvania's Early Discharge legislation resulted in longer hospital stays for new mothers and babies, increasing maternal and infant healthcare costs. The average maternity stay rose from 34 to 48 hours, with estimated annual costs of $20-25 million.

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.

Fluke 87V Industrial Digital Multimeter

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

Hopkins research shows nature, not nurture, determines gender

Two Hopkins studies confirm prenatal exposure to normal male hormones dictates male gender identity in genetically male children born with cloacal exstrophy. Most reassigned as females later reassign themselves back to males, exhibiting strong male behaviors and attitudes.

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.

Nanofabricated 'gel' separates DNA

Researchers at Cornell University have developed a nanofabricated device that can separate DNA fragments by length in as little as 15-30 minutes, compared to the traditional method which takes 12-24 hours. The device uses alternating deep and shallow sections to propel DNA strands through it, allowing for faster separation and analysis.

Ritalin and Prozac: Study finds more kids using both drug types together

A new study documents the increase in Ritalin-type stimulant drugs and Prozac-type antidepressants prescribed to children, raising concerns about diagnosis and treatment. Thirty percent of children on SSRIs also took stimulants, highlighting the need for further research on safety and effectiveness.

Wireless net may require 'smart antennas'

Future wireless devices may use multiple antennas to outperform single-antenna versions, reducing interference and increasing reception accuracy. This technology could enable three times as many users to operate within the same frequency band.

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.

Undergraduates' invention makes guns childproof

Student engineers at Johns Hopkins University designed a low-tech, affordable childproofing device for handguns that can be defeated by adults but not young children. The device automatically switches the gun back to safe mode when it leaves an adult's hand, providing passive protection.

Researchers find skull remains pointing to first hominids out of Africa

Researchers have found nearly complete fossil cranium and skullcap in Dmanisi, Georgia, dating back to 1.7 million years ago. The discovery suggests early human species may have left Africa earlier than previously thought, with the possibility that they were driven by appetite for more protein.

Restrictive feeding passes eating problems from mother to daughter at early age

A new Penn State study reveals that restrictive feeding practices can pass eating problems from mother to daughter as early as five years old, increasing the risk of childhood overweight. Mothers who control their own weight tend to use more restrictive feeding practices, which can actually promote patterns of intake influenced by pala...

Columbia team finds cellular defect at the root of heart failure

A molecular-level malfunction in patients with heart failure can be repaired with existing treatments, suggesting a new approach to treating the root cause of the disease. The research reveals that a malfunctioning calcium channel is responsible for the defect, and beta blockers may prevent or reverse its development.

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.

Researchers seek clues to help newborns with abnormal lungs

Researchers discovered that low nitric oxide levels in mouse newborns with hypoplastic lungs hinder the proper development of blood vessels, leading to persistent pulmonary hypertension and respiratory distress. The study aims to identify genes affecting lung development and function.

Impact! Chandra images a young supernova blast wave

The Chandra X-ray Observatory has imaged the full impact of Supernova 1987A for the first time, revealing a shock wave smashing into the outer parts of a ring at 4,500 km/s. The gas behind the shock wave has a temperature of ten million degrees Celsius.

New cross-national study of prescription drug coverage

A new study reveals that even in countries with universal healthcare, there are significant restrictions on prescription drug accessibility for the elderly. The research found that countries like Australia, Canada, and the UK have varying levels of outpatient pharmaceutical plans, but often come with high costs.

Five Seattle scientists selected as Howard Hughes Medical Institute investigators

The Fred Hutchinson Cancer Research Center is proud to announce that five of its researchers have been selected as Howard Hughes Medical Institute (HHMI) investigators. Drs. David Baker, Philip Green, and Michael Shadlen from the University of Washington, and Drs. Leonid Kruglyak and Cecilia Moens from the Fred Hutchinson Cancer Resear...

Celestron NexStar 8SE Computerized Telescope

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

Kansas State chemist publishes new article on high tech sample analysis

David Wetzel's new technique uses infrared microspectroscopy to analyze small specimens without grinding or staining, revealing localized chemical content and spatial resolution. The technology has increasing applications in biological and other research, including rare blood disorders and hit-and-run cases.