A couple left academia to pursue their passion for cultures and turned their treasures into a market: http://www.sourdo.com http://www.sourdo.com Apparently t

A couple left academia to pursue their passion for cultures and turned their treasures into a market: http://www.sourdo.com http://www.sourdo.com Apparently they run into some sticky situations carrying dried yellowish brown powder around in aluminum foil. In Saudi Arabia they were detained at the airport for hours while authorities verified that the sketchy powder was in fact mostly harmless yeast.