No one could see the color blue until modern times

The title is a bit inflated, but the subject is fascinating. Kevin Loria writes for Business Insider:

[Researcher Jules Davidoff] says that without a word for a color, without a way of identifying it as different, it’s much harder for us to notice what’s unique about it — even though our eyes are physically seeing the blocks it in the same way.

They mention his experiment with the Himba tribe, but they don’t provide the video for it, which seems to be from a 2011 BBC documentary called “Do You See What I See?” You can see the relevant portion of that documentary here (at least for now).