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Science News for August 10, 2000


Dibblee Medal awarded to retired USGS scientist, Thomas A. Steven

Thomas A. Steven, a retired USGS research field geologist, received the 7th Annual Dibblee Medal for his outstanding contributions to field geology and geologic mapping. He was recognized for his work on complex volcanic structures, genesis of ore deposits, and landscape evolution.

SourceU.S. Geological Survey·DateAug 10, 2000

Physicians have seen a rise in the number of infants suffering from rickets

The number of African-American babies diagnosed with rickets has increased by 4.4 times, while all babies have seen a three-fold increase due to low vitamin D levels in breast milk. The disease is caused by the body's inability to absorb calcium, leading to softening and weakening of bones.

SourceAtrium Health Wake Forest Baptist·JournalThe Journal of Pediatrics·DateAug 10, 2000

Wisconsin lake study shows persistence of acid rain effects

A Wisconsin lake study has found that acid rain effects can last for decades, with the chemistry of the lake correcting itself naturally within two years. However, the biological changes took much longer to recover, with some species thriving while others were decimated.

SourceUniversity of Wisconsin-Madison·DateAug 10, 2000
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Engineers develop systems to ease 'bottle neck' in air traffic control system

Virginia Tech engineers propose integrating simulation models to evaluate the national airspace system, addressing critical bottlenecks in aircraft sequencing, runway operations, and taxiway management. By optimizing these processes, they aim to reduce time delays and increase airport efficiency.

SourceVirginia Tech·JournalJournal of Transportation Engineering·DateAug 10, 2000

Running out of reptiles

The article highlights the growing crisis of reptile extinction, citing habitat loss, invasive species, and human activities as major threats. Dr. Whit Gibbons' research suggests that reptiles are in greater danger of extinction than amphibians due to similar but more severe impacts from environmental factors.

SourceDOE/Savannah River Ecology Laboratory·JournalBioScience·DateAug 10, 2000

Zirconate material will improve plutonium storage safety

A new study reveals that gadolinium zirconate is highly resistant to radiation, outlasting ceramic materials currently considered for plutonium disposal by millions of years. This finding makes it a leading candidate for the immobilization of plutonium, a nuclear contaminant with a long half-life.

SourceUniversity of Michigan·JournalJournal of Materials Research·DateAug 10, 2000
Apple iPhone 17 Pro

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