Explore Eyes Institute, Eyes Photographed and more!

Explore related topics

These candy-colored "trees" are actually the cells that enable you to see in the dark. They're called rod cells, and humans have some 120 million of them lining the back of the eye, shooting signals to the brain when they're stimulated by light. Rods are sensitive to very dim light, unlike their counterparts, cones, which allow us to see color.

These candy-colored "trees" are actually the cells that enable you to see in the dark. They're called rod cells, and humans have some 120 million of them lining the back of the eye, shooting signals to the brain when they're stimulated by light. Rods are sensitive to very dim light, unlike their counterparts, cones, which allow us to see color.

Phoenix Zoo and Jane Goodall Institute Join Forces to Improve Animal Welfare Around the World – National Geographic Society (blogs)

Phoenix Zoo and Jane Goodall Institute Join Forces to Improve Animal Welfare Around the World – National Geographic Society (blogs)

.

samm | 21 | art, beauty, and anything else that i love | message or ask me about anything | southern california personal tumblr: @somethingsoffinside i do not own any of the things i post unless otherwise stated. all credit goes to the original artists.

Beautiful Liar - Photography & Styling / Anna Peftieva  Hair, Makeup & Nails / Violet Zeng Model / Yulia Rose // Premier

Beautiful Liar - Photography & Styling / Anna Peftieva Hair, Makeup & Nails / Violet Zeng Model / Yulia Rose // Premier

Pinterest
Search