Image by Rick Geary
Posted July 12, 2011
Hey, Matthew: Why can’t we have blue or green hair? We can have blue or green eyes, and isn’t melanin responsible for coloring our hair and our eyes? So why no blue hair? — Anonymous, ...
Daniel Powell 8:36 a.m., Dec. 21
Jeff Smith 4 p.m., Dec. 20
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Ken Harrison 2:11 p.m., Dec. 20
Andrew Hamlin 1 p.m., Dec. 20
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Ian Anderson 10 a.m., Dec. 20
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