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	Podcast:		TED Talks Daily
	Episode:		The radical possibilities of man-made DNA \| Floyd E. Romesberg
	Category:		Society & Culture
	Duration:		00:13:56
	Publish Date:		2018-11-26 09:53:50
	Description:		Every cell that's ever lived has been the result of the four-letter genetic alphabet: A, T, C and G -- the basic units of DNA. But now that's changed. In a visionary talk, synthetic biologist Floyd E. Romesberg introduces us to the first living organisms created with six-letter DNA -- the four natural letters plus two new man-made ones, X and Y -- and explores how this breakthrough could challenge our basic understanding of nature's design.
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