Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
layoutIfNeeded
on Nov 17, 2019
|
parent
|
context
|
favorite
| on:
Tetrachromats: people who see colors invisible to ...
In their pupils?
willis936
on Nov 17, 2019
[–]
Rods and cones are in the retina, which is the inner lining in the back of the eye. You see the retina when looking into pupils.
Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
