Scientists grow sperm in a lab, bacteria , and how can an electronic nose sniff out diseases? CBSNews.com's Nick Dietz has the details
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Feed SubscriptionVideo: HealthPop: Fertility, paper towels and e-noses
Viable sperm is grown in a lab, outside a man's body; Also, bacteria is found on six different brands of unused, supposedly clean, paper towels; And, scientists develop an electronic nose to sniff out tuberculosis. CBSNews.com's Nick Dietz has the details
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