The secret life of crayons
From petroleum to paste
View / Create
Answer
Nature's ancient paintbox
View / Create
Answer
The science of synthetic shades
View / Create
Answer
How crayons conquered the classroom
View / Create
Answer
YOUR GOAL
Master of The secret life of crayons
misslily Crayon Colors
We mix the hot wax with the iron rust, making every color that we draw today
Priceless blue: Ultramarine blue made from lapis lazuli was so expensive in the Renaissance that Michelangelo left paintings unfinished when he couldn't afford it.
An earthy pigment containing ferric oxide and clay, typically varying from light yellow to brown or red. In Italy's Valle Camonica, author Victoria Finlay discovered a piece of this pigment dating back 5,000 years.
Which tiny insect harvested in Peru and Mexico is used to make brilliant red carmine dye?
What rare blue stone mined in Afghanistan was ground up to make ultramarine pigment?
Why did 19th-century artists and manufacturers stop using the pigment known as Scheele's Green?
What natural mineral compound gives ochre clay its characteristic yellow and red colors?
What plant-based dye was historically used in ancient Egypt and India to color fabrics deep blue?
Where did archaeologists find a 100,000-year-old workshop for processing ochre paint?