Mark Moffett is a entomologist, nature photographer and explorer. He received his PhD at Harvard University, studying marauder ants with renowned insect scientist Edward O. Wilson, and is currently a research associate in entomology at the Smithsonian Institution. He has written more than 20 articles for National Geographic Magazine, which has featured nearly 500 of his images. He is also the author of several books, most recently "Adventures Among Ants: A global safari with a cast of trillions."
How humans came to feel comfortable among strangers, like those in a café, is an under-explored mystery.