Not to scale? Maya civilizations show strange correlation

Researchers who study urban areas have long observed a connection between size and proximity—namely, that cities become more dense as they gain in population. The more people live in a place, the closer together they live ...

Women central part of pre-colonial Maya society

(PhysOrg.com) -- Contrary to popular belief, women played a central role in Maya society before the arrival of Spanish explorers in the early 16th century, a University of California, Riverside, graduate student has discovered.