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Science News for December 5, 1999


Spinal cord patients can rehabilitate online

A new computer program, developed by Pacific Northwest National Laboratory, provides spinal cord injury patients with access to online rehabilitation training and resources. The Rehabilitation Learning Center offers video instruction, lifestyle guidance, and personalized support for patients working from home.

SourceDOE/Pacific Northwest National Laboratory·DateDec 5, 1999

Researchers learn more about blood vessel receptors

Duke University researchers have defined the distribution of alpha-1 adrenergic receptors in human blood vessels, shedding light on potential new treatments for diseases such as high blood pressure and prostate enlargement. The study's findings suggest that aging processes alter receptor expression, making it crucial to develop targete...

SourceDuke University Medical Center·DateDec 5, 1999

Health education leads to more eye exams in group at risk for vision loss

African Americans with diabetes who receive health education messages are more likely to seek an eye exam, increasing the rates of dilated eye exams. Early detection and treatment can prevent vision loss in people with diabetes, with about 90% preserving their vision.

SourceNIH/National Eye Institute·JournalAmerican Journal of Public Health·DateDec 5, 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.

New Cosumnes River research partnership announced

A new research project aims to study the relationship between hydrology, plant, animal, and human communities in the Cosumnes watershed. The project will inform river and floodplain restoration programs throughout the Central Valley.

SourceUniversity of California - Davis·DateDec 5, 1999

Genetic extremism overstates risks

A group of Oregon State University scientists emphasize the potential benefits of genetic engineering in forestry, including faster-growing trees that can reduce the burden on native forests. They argue against 'genetic extremism' and call for a more careful analysis of the issues based on science.

SourceOregon State University·JournalNature Biotechnology·DateDec 5, 1999

Explaining how ozone "chokes up" plants

Researchers identified how ozone 'chokes up' plants by directly affecting guard cells, inhibiting stomatal opening and reducing photosynthesis. This knowledge may lead to breeding or genetically engineering less ozone-sensitive plant varieties to improve productivity in regions with high ozone exposure.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateDec 5, 1999

Use of mammograms in older women questionable, say UCSF researchers

A new study by UCSF researchers suggests that screening for breast cancer in elderly women may not be worth the cost, citing a small increase in life expectancy. The study also highlights the potential downsides of mammograms, including false positives and anxiety caused by abnormal results.

SourceUniversity of California - San Francisco·JournalJAMA·DateDec 5, 1999
Apple iPhone 17 Pro

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

Feeding the world by cleaning the air: study ties heavy regional haze to reductions in China's crop production

A new study suggests that cleaning up air pollution in China could increase crop production by up to one-third. Heavy regional haze scatters and absorbs solar radiation, reducing plant growth and food production. Researchers estimate that China loses around 10-30% of its crop production to haze.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateDec 5, 1999

Poverty impacts mental development of children exposed to cocaine before birth

Research suggests that poverty has a greater impact on the mental development of children exposed to cocaine before birth, even when controlling for IQ scores and preschool attendance. Children who had been exposed to cocaine performed no worse than low-income children without cocaine exposure in problem-solving tests.

SourceCenter for Advancing Health·JournalJournal of Developmental & Behavioral Pediatrics·DateDec 5, 1999
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.