A forensic student reconstructs the head of a Stone Age youth known as Viste Boy. Archaeologists believe he lived in the Vistehola cave near Stavanger, Norway.
German artist Tim Otto Roth uses green laser light to project Hubble spectra onto a surface. The exhibit is currently on display in Baltimore, Maryland.
"Networks of cities connected by rural areas form a pattern that we see all over the world," said Christopher Small. "It’s a spatial pattern, but it’s not a simple geometric pattern."