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Hear stem cell researcher Bruce Conklin explain why this science is important and what it's like to watch newly grown heart cells beat in a culture dish late at night.

00:09:54
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. Eye-D explores the possibilities of retinal scans.

1:03:28
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: soap!