Audio
Science Friday: How Fibonacci Introduced the World to Numbers Audio
Science Friday Initiative

Science Friday: How Fibonacci Introduced the World to Numbers

9th - 10th
Keith Devlin, the author of the book The Man of Numbers: Fibonacci's Arithmetic Revolution, talks about the history of arithmetic and how Leonardo of Pisa, or Fibonacci, changed commerce and the way arithmetic was done. Aired Aug. 12,...
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Instructional Video
Khan Academy: Angle a Trons Instructional Video
Khan Academy

Khan Academy: Angle a Trons

6th - 8th
This is a follow-up from Being a Plant part 2.
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