this video is about this boy explaining what it’s like to have colour blindness.
the mantis shrimp has 12 cones!
the mantis shrimp can see ultra violet light.
1 in 200 girls have colour blindness.
why do they have tests to see if you are colour blind?
how is it rare to only see in black and white?
colour blindness doesn’t affect people as much as we thought it did.