Cats and other nocturnal Animals can see in the dark. But why can the ever? Anna Stoeckl explains exactly in their TED-Ed Lecture, was animated to visualize.

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.