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Science News for June 24, 2002


Abnormal chemical bonds cause bleeding disorder

Researchers at Washington University School of Medicine have found that a defective form of vWF causes chemical bonds to persist longer than they should, leading to a bleeding disorder. The defect in the vWF protein changes the kinetics of the chemical bonds between the protein and platelets, resulting in the disease.

SourceWashU Medicine·JournalBiophysical Journal·DateJun 24, 2002

Two new monkey species discovered

Scientists have discovered two new monkey species, Callicebus bernhardi and Callicebus stephennashi, which are named after Prince Bernhard and Stephen Nash. These discoveries highlight the vast biodiversity of the Amazon rain forest, with over 95 species of primates found in Brazil alone.

SourceConservation International·JournalNeotropical Primates·DateJun 24, 2002

Ames Lab seeking materials research proposals

The Materials Processing and Characterization (MPC) program at Ames Laboratory is offering research proposals for scientists in Condensed Matter Physics, Materials Science, and Physical Chemistry. Proposed projects can focus on developing fundamental materials processing knowledge, materials process models, or synthesizing novel materi...

Aqua mission status

Aqua has successfully transmitted engineering images from five of its six instruments, providing a glimpse into the spacecraft's performance and paving the way for operational data in early September. The high-quality data will help improve weather forecasts and advance our understanding of Earth's climate system, particularly the role...

Insight into how the body tells time

Researchers have identified 22 genes essential to the operations of the body's internal clock, which synchronize behavior and physiology with a near 24-hour cycle. The study found that these genes influence the expression of other genes throughout the body, controlling behaviors like sleep and wakefulness.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateJun 24, 2002

Fatal Fridays

A study by van Walraven and Bell found that patients released on Fridays are more likely to die or be readmitted within 30 days. The authors suggest that delays in social services or incomplete discharge information may contribute to this increased risk.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJun 24, 2002