Thank you, @tonx

The Cyanometer Is a 225-Year-Old Tool for Measuring the Blueness of the Sky | Colossal

you don't want to be a microbe in this town, son

#dadunix

"Self Portrait at the Dressing Table," Zinaida Serebriakova, 1909

"Self Portrait at the Dressing Table," Zinaida Serebriakova, 1909

Is this a hammer I see before me?

EXTRA

green

Melchior Lorck