YT: Phil Plait is an astronomer, author, and science advocate. His blog, Bad Astronomy, is hosted by Discover Magazine, and he writes about news and current issues facing science. A common topic is astronomical... continue reading
posted by critical_d 1 decade 3 years 3 weeks ago • 1,065 views • 14:12TED talks
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Updated: 7 years 4 months 3 weeks ago
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TED talks.
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