He completely flew over the importance of azurite as a painting pigment. It was the most used blue pigment during the middle ages (a thousand years! but then again he did call that period 'the dark ages', so...), and was -and still is- used in Japan and China as the main blue pigment at least from the 10th century.

Excellent speaker.

Blue is his house with the blue little window and his blue corvette do dah dah di dah dah dah.

This is so interesting. Amazingly interesting :) thank you for posting this.

Great Q & A at the end :)

What about Maya Blue! Anthropologists have discovered how the ancient Maya produced an unusual, widely studied blue pigment that was used in offerings, pottery, murals and other contexts across Mesoamerica from A.D. 300 to 1500

The YInMn discovery would now make an excellent extension of this lecture on the wonder of blue.

Blue is a very positive color.

So, how come he doesn't have blue suede shoes?

I love the blue

what about woad

What about Mayan Blue????

wish he would have went onto organic chemistry, indigo and Tyrian purple...and then of course Perkin dyes and then BASF today

blue flowers...Centaurea Cyanus

Captioning.... :-/

Indeed, "ultramarine" is a shade of "blue", because traders who needed it had to go all the way "across the sea" to Afghanistan to acquire it.

Like your Channel ;)

Becky doesn't want blue...

perfect to die my hair blue too

Dung is called "shit".