wtf my sister just showed this to me

agreed ^^

Learned this in physics last year, too relevant to not be posted:

There's a tribe in that will look at this (there's one color that's different):



And can immediately distinguish between the colors.



Yet they can't distinguish blue from green.

http://boingboing.net/2011/08/12/how-language-affects-color-perception.html

LOL

I looked at it sideways and I got her to switch.