“I think it is really important to express science for the public in an artistic fashion so that they relate to something that they think is beautiful as well as scientific.” —Annie Cavanagh

Coffee, tea, and soft drinks… This is what caffeine looks like up close. On the left is an image of caffeine crystals taken by microscopist David McCarthy, digitally colored by Annie Cavanagh. But the right image comes from an article by Jacques Baschet on microphotography and decorative art that was published in 1931 (in Exploring the Invisible: Art, Science, and the Spiritual by Lynn Gamwell). Crazy, huh?

Read more about the coloring process.

(via Wellcome Image Awards 2012)