Luis Pacheco-Cobos of the NationalAutonomousUniversityofMexico and his colleagues discovered this by following mushroom gatherers from a village in the state of Tlaxcala for two rainy seasons.
"It's quite remarkable to me that people are assuming that somehow we're at a new stage in political or institutional or economic development in Mexico, " said John Ackerman, a law professor at the NationalAutonomousUniversityofMexico and a visiting scholar at American University in Washington.