Readers: When I was a young boy, I loved to color with my big box of Crayola Crayons. I would pull out blank sheets of paper and create multi-colored masterpieces (at least my mother said so). Crayola’s crayon chronology tracks their standard box, from its humble eight color beginnings in 1903 to the present day’s […]

Infographic: Estefan Cuanalo, 2012. Click on the image to enlarge.

I have now finished reading Steven B. Johnson’s riveting book, The Ghost Map: The Story of London’s Most Terrifying Epidemic–and How It Changed Science, Cities, and the Modern World. This has been a labor of love for me since I have known the story (or at least some of it), about the 1854 cholera epidemic in London, […]