4 ms·

Thanks for the explanation, it makes much more sense than the original article and the attached image was not even necessary for me to "get" the idea while many

Thanks for the explanation, it makes much more sense than the original article and the attached image was not even necessary for me to "get" the idea while many paragraphs and diagrams just left me confused before reading it.

kerkeslager 4y ago
The person you're responding two is wrong, though. Worms don't have retinas or lenses, but they have hemispherically crossed nervous systems.