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Science News for February 27, 2004


The fastest stopwatch in the world

Researchers create ultrafast stopwatch capable of measuring atomic processes with an accuracy of less than 100 attoseconds. The device uses a combination of X-ray flashes and laser light pulses to detect electrons emitted by atoms, providing insights into chemical reactions and material synthesis.

SourceMax-Planck-Gesellschaft·JournalNature·DateFeb 27, 2004

Drugs limit deadly side effects of graft-versus-host disease

Researchers have discovered that low-dose HDAC inhibitors can prevent the production of inflammatory cytokines, reducing cell damage and improving survival rates in mice with GVHD. The study suggests that these drugs may be used to reduce the risk of death, hospitalization, and serious side effects associated with bone marrow transplants.

SourceMichigan Medicine - University of Michigan·JournalProceedings of the National Academy of Sciences·DateFeb 27, 2004

American Thoracic Society Journal news tips for March 2004 (first issue)

A new study found that multiple Mycobacterium tuberculosis strains are present in patients with active TB, contradicting the long-held theory of a single strain. Additionally, researchers developed a method to isolate and quantify airborne TB aerosols from coughs, showing promise for studying the disease's transmission.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateFeb 27, 2004