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It's Okay to Be Smart
DNA Doesn’t Look Like What You Think!
Season 5
Episode 31
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. Learn why we can’t look directly at DNA, and find out how DNA is actually packed inside cells.
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17:58
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9:56
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10:40
A mysterious and highly impactful phenomenon that scientists are still learning about.

9:10
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12:59
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14:49
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11:53
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8:32
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13:10
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13:49
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14:24
Knowing exactly what a “second” is is more complicated than you might think!