The Tech podcast is back after a one-week hiatus. On this weeks podcast... Getting your vitamins by eating more rice; genetically-modified rice that is. An elaborate maze of underground nuclear bunkers in Switzerland. What will tougher new vehicle emission standards in Europe mean for Detroit? Cement bricks that eat smog in Italy. The TV show “Friends†-- Chinese style and on the Internet. A new United Nations report on Global Warming and world attitudes about climate change. And make your wardrobe environmentally friendly!