59: Why Ancient People Didn't See the Color Blue

Here's a philosophical question for you. If a color doesn't have a name, can we still see it? Many years ago, the human eye evolved to give us the ability to see about a million colors. That's a lot. Then how come, until very recently, nobody saw or even heard of the color blue? Well, it's because blue just -- didn't exist yet. Let's find out why.--- Support this podcast: https://podcasters.spotify.com/pod/show/thewhyfiles/support