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. 它是什么, then, that separates moths from men? Anna Stöckl uncovers the science behind night vision.

Lesson by Anna Stöckl, TED-Ed的动画.