A component of blood from young mice transformed the appearance and health of older mice. The discovery is part of aging and longevity research by Dr. Shin-ichiro Imai, MD, PhD, professor of developmental biology and medicine at Washington University in St. Louis School of Medicine.

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Teacher Resources for the Video:

NGSS Disciplines Addressed in Standards Referenced Below:
• Engineering, Technology, and Applications of Science

Discussion Questions:
• Have students discuss the potential impacts of this discovery. If proved true with additional research, what are positive and negative implications of slowing the aging process?

Activity Ideas:
• Have students engage in the practice of “Engaging in Argument from Evidence” and write a position statement, create a position video, or develop a position project where they take a position regarding the potential positive and negative effects of this discovery. If true, what are the implications for medicine, for human life, and for the planet?
• Focused on the same practice of “Engaging in Argument from Evidence,” have students engage in a cross curricular activity and write a story about a world where people live longer due to this development. It can be dark, humorous or thoughtful.

Vocabulary to Consider:
• Extracellular Vesicles
• Enzyme

Resources for Additional Research:
• Learn more about the NGSS Science and Engineering Practices at the NSTA website.

Unique ID for the Video: IinAction-38
• Use the unique ID as a shortcut for students to find this specific video. Click on Search and choose “By Video ID.” Type in the Video ID as it appears above.

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