Your class will not drift off to sleep during this episode on circadian rhythms. Though the narrator speaks quickly and continuously, he successfully explains our biological clock in a way that holds interest. Assign the viewing of this clip to your high school health or biology class.

Concepts

the hypothalamus

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Additional Tags

circadian, hypothalamus, melatonin, science

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Classroom Considerations

• This video is hosted on YouTube

Pros

• A fascinating topic that is of interest to teens
• Flashy photographs and graphics help hold attention
• Click Show More to access related websites

Cons

• None