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Planarian Regeneration and Stem Cells

This video discusses the remarkable regenerative capabilities of the planarian, and how biologist Alejandro Sánchez Alvarado uses them to study the biology of stem cells.

Salamander Limb Regeneration

This animation shows how salamanders can replace missing limb tissues with the help of cells similar to stem cells.

Body Mass Index (BMI)

This animation explores how BMI changes for a given height with varying weights and explains why using BMI as an indicator of healthy body weight can be misleading in some cases.