Mark W. Hauser, associate professor of anthropology at Northwestern University, is the author of An Archaeology of Black Markets: Local Ceramics and Economies in Eighteenth-Century Jamaica (University Press of Florida, 2008).
A nation is deļ¬ned by what it preserves.
The way they live, the food they eat, and the effect on us
A true but unlikely tale
Story and Photographs by William Rowan
Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.