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Science News for February 21, 2000


Toxicologists discover traces of diesel exhaust in the body

Researchers found that office staff, drivers, and unloaders were exposed to similar levels of diesel exhaust due to poor ventilation. This challenges traditional risk assessments based on occupational groups, emphasizing the need for individual testing.

SourceNetherlands Organization for Scientific Research·DateFeb 21, 2000

Record breaking temperatures seen as evidence of faster rate of global warming

Researchers at NOAA's National Climate Data Center found evidence that the rate of global warming is accelerating, with recent record high temperatures surpassing expectations. The study analyzed data from 1997 to 1999 and concluded that the rate of warming since 1976 is greater than previously predicted.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateFeb 21, 2000

Hurry up and wait

A recent study by Nigel Rawson found that the time taken to approve new drugs in Canada is significantly longer than in countries like Sweden and Australia. The median drug approval time in Canada was 518 days, compared to 371 days in Sweden.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateFeb 21, 2000
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.

Gene transfer improves function of aging hearts in animals

Researchers from Massachusetts General Hospital report that delivering extra copies of the SERCA2a gene to the heart muscle via gene therapy techniques alleviates diastolic dysfunction in aging rats. This study provides a potential target for therapies to prevent progression to heart failure.

SourceMassachusetts General Hospital·DateFeb 21, 2000

Natural compounds protect red blood cells from damage

Scientists at Ohio University and Russia discovered that carnosine and N-acetyl-carnosine can prevent alcohol's assault on red blood cells, allowing them to maintain their healthy shapes. The findings have implications for the development of a treatment for anemia in alcoholics.

SourceOhio University·JournalAlcohol and Alcoholism·DateFeb 21, 2000

Bad medicine

Final-year medical students experience significant deterioration in vitality and work ability due to physical and emotional problems. The decline in health status may begin earlier than expected, highlighting the need for steps to address the issue.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateFeb 21, 2000
Apple iPhone 17 Pro

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

Experts have negative effect on due process

A recent study found that experts appointed by courts can significantly impact case outcomes, often favoring the government. The researchers propose introducing new rules to ensure parties have access to expert reports and opinions, promoting a fairer hearing.

SourceNetherlands Organization for Scientific Research·DateFeb 21, 2000

Drug for iron overload passes major safety hurdle, may benefit patients with thalassemia and other blood disorders

A new oral medication called deferiprone has been shown to have a rare side effect on white blood cells, but is considered a potential treatment option for patients with iron overload. The study found that the drug may benefit patients with thalassemia and other hemoglobin disorders who do not respond to conventional treatments.

SourceChildren's Hospital of Philadelphia·JournalBritish Journal of Haematology·DateFeb 21, 2000