If you’ve ever seen a Medieval European painting that has a deep, rich blue, you’ve seen a color called ‘ultramarine,’ […]
Tag Archive for ‘wordpress.com’
The Biggest Living Thing
No, it’s not a blue whale, or a California coastal redwood. There are two candidates: a fungus called Armillaria ostoye […]
The Astronomer with the Silver Nose
Tycho Brahe (1546-1601) was a Danish astronomer, one of the precursors of modern astronomy. He was from a wealthy aristocratic […]