Carolyn Coyne is an associate professor of Microbiology and Molecular Genetics at the University of Pittsburgh in Pittsburgh, Pennsylvania.
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35:09
Science in the Crosshairs
How Congress, lawsuits, and other challenges are shaping scientific debate over climate science, fetal tissue research, and more.
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9:57
Zika Virus Transmission Still Mysterious
Many questions remain about the Zika virus, such as how it passes from mother to child.