How do animals see in the dark? – Anna Stöckl

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To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals, on the other hand, experience a rich and varied world, bursting with details, shapes, and colors. What is it, then, that separates moths from men? Anna Stöckl uncovers the science behind night vision.

Lesson by Anna Stöckl, animation by TED-Ed.