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How We Get Our Skin Color

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

Cell Biology
Anatomy & Physiology
Animations
High School — General
High School — AP/IB
College
Coral Bleaching

This animation zooms into a coral reef to explore the tiny animals that build reefs, the photosynthetic algae inside their cells, and the damaging process of coral bleaching.

Cell Biology
Microbiology
Environmental Science
Animations
High School — General
High School — AP/IB
College