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Science News for October 7, 2004


Health and politics: Lessons learned from the Iraq conflict

The US-led humanitarian relief effort in Iraq was plagued by mismanagement, with the Department of Defense dominating the effort. The Office of Foreign Disaster Assistance and other agencies had more experience handling crises, but were overlooked. The study highlights the importance of separating military and humanitarian assistance.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 7, 2004

Botulism bug says no to nitric oxide, provides key to molecule's role in human cell signaling

The study reveals how botulism-causing Clostridium botulinum detects nitric oxide, shedding light on its role in human cardiovascular, neurological, and immunological systems. The research also provides insights into the structural details of soluble guanylyl cyclase, a protein difficult to crystallize for analysis.

Smoking and the risk of rheumatoid arthritis

A large population-based study found that current smokers have a 2.8-7.5 times increased risk of rheumatoid factor positive RA, while those with the SE gene have a 15.7 times higher risk. The study suggests a strong interaction between smoking and the shared epitope gene in increasing disease risk.

SourceWiley·JournalArthritis & Rheumatism·DateOct 7, 2004

K-State's Walter Schumm has analyzed whether defeat of Hussein reduced suicide attacks in Israel

Schumm's study analyzed the impact of Iraq's payments to Palestinian families fighting Israelis on suicide bombings. He found a significant reduction in fatalities after the invasion, with potential prevention of up to 1,100 casualties. Improved antiterrorism intelligence within Israeli security forces may also have played a role.

SourceKansas State University·JournalPsychological Reports·DateOct 7, 2004

Why rocks curl

Researchers developed an experiment to measure the behavior of curling stones, revealing that wet friction is involved in their curl. The study found that a thin liquid layer reverses the dominant frictional force on the stone, resulting in a clockwise-turning stone curling to the right.

SourceNatural Sciences and Engineering Research Council·JournalCanadian Journal of Physics·DateOct 7, 2004