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Science News for October 13, 1999


FDA mandate for folic acid fortification may decrease the incidence of Down syndrome

Increasing folate levels prior to conception could reduce Down syndrome risk, according to a study funded by the FDA. Folate deficiency at conception increases neural tube defect risk, including spina bifida, which is the leading cause of childhood paralysis.

SourceAmerican Society for Clinical Nutrition/American Society for Nutritional Sciences·JournalAmerican Journal of Clinical Nutrition·DateOct 13, 1999

Counting elephants by monitoring sounds

Researchers at Cornell University will use acoustic monitoring to count forest elephants in Africa, providing crucial information on population numbers and health. The project aims to support conservation efforts by tracking endangered species such as gorillas and rhinos.

SourceCornell University·DateOct 13, 1999
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.

How alcohol may harm your baby's brain

Researchers discovered that high levels of alcohol during late fetal development kill Purkinje cells, which act to filter and synthesize information. Alcohol deprives these cells of Glial Derived Neurotrophic Factor (GDNF), necessary for their survival.

SourceAlcoholism: Clinical & Experimental Research·DateOct 13, 1999

New molecular clues to herpes control

Researchers at UNC Health Care have identified a new way to halt herpes simplex virus reproduction by targeting its molecular tracks. The study found that inhibiting JNK protein kinase reduces viral yield in cells by up to 70%.

SourceUniversity of North Carolina Health Care·JournalJournal of Virology·DateOct 13, 1999

Does time really exist?

The article explores the idea that time is an illusion, proposing a timeless universe where all configurations exist simultaneously. This concept is rooted in Einstein's general theory of relativity and quantum mechanics, suggesting an eternal, four-dimensional structure called Platonia.

SourceNew Scientist·JournalThe New Scientist·DateOct 13, 1999

You don't need long legs to be an efficient walker

Researchers found that Australopithecines used less energy while walking than modern humans, thanks to their shorter legs which took less energy to move. The analysis suggests that Lucy's anatomy was well-suited for her environment and not a hindrance.

SourceNew Scientist·JournalThe New Scientist·DateOct 13, 1999

Mechanism found that appears to keep body tissues together

Researchers found a three-stage unbinding profile of cadherins, which suggests a 'ratcheting' mechanism that prevents abrupt failure of adhesive junctions. This discovery may lead to the development of gene therapy for diseases associated with malfunctions or mutations of the cadherin protein.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateOct 13, 1999
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.

Just how serious a problem is alcoholism?

A recent study found that the majority of Americans with alcoholism do not receive treatment, highlighting a significant gap in care. The research identified distinct characteristics among those who did receive treatment, suggesting that treatment options may need to be tailored to address specific needs.

SourceAlcoholism: Clinical & Experimental Research·DateOct 13, 1999

New University of Georgia study indicates possible ancient origin for retroviruses, the class to which HIV belongs

A recent University of Georgia study suggests that retroviruses, including HIV, may have an ancient origin. Researchers analyzed the genome of a worm called Caenorhabditis elegans and found evidence of retroviral-like elements in its DNA. This finding challenges previous assumptions about the evolution of complex retroviruses.

SourceUniversity of Georgia·JournalGenome Research·DateOct 13, 1999

Discarded thymus tissue provides life for infants with DiGeorge Syndrome

Researchers at Duke University Medical Center have successfully transplanted discarded thymus tissue into two infants with DiGeorge Syndrome, restoring their immune systems and providing long-term treatment. The children's new gland has provided a normally functioning immune system that requires no long-term drug support.

SourceDuke University Medical Center·JournalNew England Journal of Medicine·DateOct 13, 1999
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.

AGU 1999 Fall Meeting -- Information for media representatives

The American Geophysical Union's Fall Meeting features a press field trip on San Francisco Bay, where USGS scientists discuss water resources research. Media representatives can attend scientific sessions, visit the Press Room and Briefing Room, and participate in exclusive events.

SourceAmerican Geophysical Union·DateOct 13, 1999

Spraying milk on cucumbers kills mildew

Researchers have discovered that spraying milk on cucumbers can effectively kill powdery mildew, a major problem for organic farmers. The solution, which involves mixing one part cow's milk with nine parts water and spraying it on the plants twice a week, has been shown to be faster and more effective than chemical fungicides.

SourceNew Scientist·JournalThe New Scientist·DateOct 13, 1999
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.

Eastern U.S. benefits from emissions trading by power plants

A new study by Resources For the Future finds that emissions trading has shifted sulfur dioxide emissions away from populated areas to the Midwest, improving public health and environmental conditions in the Northeast and East. Health-related benefits are estimated at $125 million annually.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateOct 13, 1999

Prescription for your heart: Relax

A recent study published in the American Journal of Clinical Nutrition found that prolonged mental stress increases the levels of atherogenic lipoproteins and decreases the rate at which fats are cleared from the blood after a meal. This can lead to higher lipid levels and increased risk of cardiovascular disease.

SourceAmerican Society for Clinical Nutrition/American Society for Nutritional Sciences·JournalAmerican Journal of Clinical Nutrition·DateOct 13, 1999

Biodiversity as insurance in the face of change

Researchers from the University of Wisconsin-Madison propose a new approach to understanding ecosystem health by focusing on an organism's ability to withstand environmental stress. The study suggests that competition among species is less important than biodiversity as an insurance policy against unknown environmental fluctuations.

SourceUniversity of Wisconsin-Madison·JournalScience·DateOct 13, 1999

Palomar camera gets sharper Neptune images

Cornell researchers use the Palomar High Angular Resolution Observer (PHARO) camera to take near-infrared images of Neptune, revealing a massive cloud and numerous smaller clouds. The camera's high spatial resolution allows for detailed analysis of the planet's clouds and atmospheric circulation.

SourceCornell University·DateOct 13, 1999
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.