Why is blue so rare in nature? Why didn’t ancient people “see” blue? And why does Japan’s blue...

[Michie]

...look green to everyone else?

3 short videos below explaining why.

New Advent: Why is blue so rare in nature? Why didn’t ancient people “see” blue? And why does Japan’s blue look green to everyone else?

 

[public hermit]

I didn't even know there was blue light. Now I know that's all I'm seeing. That hurts my head.

 

[Fervent]

I'm confused by one of the videos...it claims the Hebrew Bible doesn't contain the word "blue" yet what color were the tassels in Numbers 15 supposed to be?

 

[Rhamiel]

I watched the Japanese video, very interesting