Thursday, 12 October 2017


If you ever look at a biology textbook, the chances are it was lying to you or at least not telling you the whole story about DNA. Biology textbooks are full of drawings of DNA, but none of those show what DNA actually looks like. Sure, they’re good models for understanding how DNA works, but inside of real cells, it’s a whole lot more interesting. So what does DNA actually look like? In this video by It's Okay To Be Smart, you will learn why we can’t look directly at DNA, and find out how DNA is actually packed inside cells.

Top image: The first 3D structures of active DNA. Credit: Video screenshot Cambridge University/YouTube.

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