We have the first published example of using light and gene therapy to restore someone's vision! And in heavier (metal) news, a recent study found surprisingly high levels of mercury in meltwater from the Greenland Ice Sheet.

Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa.

Brittle stars are eyeless, brainless animals that spend their time hanging out in dark crevices of coral reefs. But despite all this, it seems that they can still see...using their skin!

If you’re a person with sight, your two eyes are your only window into the visual world. But slugs see not only with their eyes, but with their brains as well!

Colorfully Camouflaging Cuttlefish Are Colorblind

Jellyfish have eyes, but unlike humans, their eyes are not concentrated in a single organ. Instead, the ability to see is facilitated by a network of nerves and proteins called opsins. The jellyfish's light-sensing organ lies within a...

Jellyfish have eyes, but unlike humans, their eyes are not concentrated in a single organ. Instead, the ability to see is facilitated by a network of nerves and proteins called opsins. The jellyfish's light-sensing organ lies within a...