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Science News for June 23, 1999


NYU scientists discover gene for a dementing brain disease

Researchers identified a novel human gene, BRI, that causes an unusual form of hereditary dementia. The discovery provides new insights into the disease and may lead to the development of a blood test to detect the mutation.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalNature·DateJun 23, 1999

Target for cystic fibrosis drugs found

Biochemists identify a genetic slip causing cystic fibrosis by degrading the CFTR protein's twisted structure. A new approach uses heavy water to fix the mutant protein, paving the way for lab testing of non-toxic drugs.

SourceJohns Hopkins Medicine·JournalBiochemistry·DateJun 23, 1999

Polar snow reveals secrets of ozone-depleting gases

Researchers analyzed polar snowpack and found major ozone-depleting gases were not present in the atmosphere in the late 19th and early 20th centuries. Human emissions can account entirely for their presence in the atmosphere.

SourceNational Oceanic and Atmospheric Administration·JournalNature·DateJun 23, 1999
Apple iPhone 17 Pro

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Vitamin C levels linked to amount of lead in blood

A new observational study published in JAMA found a significant correlation between low vitamin C levels and high blood lead levels among Americans. The study analyzed data from over 19,500 Americans and revealed that about half of one percent have elevated levels of lead in their blood.

SourceUniversity of California - San Francisco·JournalJAMA·DateJun 23, 1999

Common genes form new family tree for animals

A new study reveals a common genetic theme in three distinct animal species, supporting a simplified three-limbed tree of life for nearly all animals. The findings provide powerful evidence to place mollusks to humans on the same evolutionary tree.

SourceUniversity of Wisconsin-Madison·JournalNature·DateJun 23, 1999

Many patients not treated for easily corrected life-threatening condition, new study shows

A recent study published in the Journal of the American Medical Association found that tens of thousands of hospital patients are improperly treated for hyponatremic encephalopathy, a potentially life-threatening condition caused by low salt concentrations. The correct treatment involves increasing patients' salt concentration intraven...

SourceUniversity of California - San Francisco·JournalJAMA·DateJun 23, 1999

Pumping with tiny bubbles

Researchers at Johns Hopkins University have invented a micropump that utilizes the repeated growth and collapse of a single bubble to push liquids through narrow channels. The bubble-powered pump has no moving mechanical parts, making it unlikely to wear out quickly.

SourceJohns Hopkins University·DateJun 23, 1999

New targets for nerve diseases, nerve regrowth: It's all in the handshake

Researchers at Johns Hopkins and NIH describe a previously suspected molecular bridge between nerve cells and their surroundings, which breaks down causing nerves to deteriorate. The study adds new insight into nerve disease and focuses on stimulating nerve cell regrowth in the brain and spinal cord.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateJun 23, 1999
Apple iPad Pro 11-inch (M4)

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