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Eric Wieschaus (Princeton) Part 1: Patterning Development in the Embryo - YouTube
https://www.youtube.com/watch?v=Ncxs21KEj0g
https://www.ibiology.org/development-and-stem-cells/bicoid/ Following fertilization, the single celled embryo undergoes a number of mitotic divisions to prod...
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How To: Replace the Battery in a Macbook Pro 13" Unibody - YouTube
https://www.youtube.com/watch?v=ZJvOoSKlPfM
While a new MacBook Pro might last you several years, the same cannot be said for its battery, and that's the case for all portable computers. This video wil...