Images: Title: https://science.howstuffworks.com/milky-way-how-do-you-zip-the-universe-that.htm DNA: https://www.fbi.gov/services/laboratory/biometric-analysis/codis Einstein's Cross: http://www.raycash.us/deepsky/einstein.htm Model of the Atom: https://arstechnica.com/science/2015/03/bathing-atoms-in-light-to-make-them-cool-off/