Cells only divide a specific number of times before they die at the end of the division cycle. This molecular clock is the culprit of aging. A video explores the concept with a trip to New York to discuss the phenomenon with a leading scientist in the field. 

Concepts

aging, life expectancy, cell division

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Additional Tags

science

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Instructional Ideas

• Incorporate as an introduction to a unit on cell division
• Ask groups to choose a scientific aspect of aging to research and present to the class

Classroom Considerations

• Expects a basic understanding of the purpose of cell division

• This video is hosted on YouTube

Pros

• Uses humor to add interest to the presentation
• Includes links to additional resources on the concept

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.7 RST.11-12.7