Within days of the first swine flu case confirmation in California last month, scientists at the Centers for Disease Control mapped the virus's genetic code and posted the sequence in a publicly available database for other researchers to examine.
The National Institutes of Health released new stem cell research guidelines Friday, and the U.S. ship captain taken hostage by Somali pirates returned to American soil.
About 10,000 children in the United States are diagnosed with cancer each year and those who do not respond well to standard treatments face an especially difficult challenge. The NewsHour reports on test treatments that provide families some hope.
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