How does Sirius XM Radio turn into a lesson on analytical chemistry? Last week I'm in my car and "California Dreaming" started playing. One of my favorites but I still can't get the damn music out of my head.

Actually, I want more than just having Golden Rice — I want it to be widely available to people who eat rice as a staple food.

One of the potentially most valuable products of genetic engineering — public health-wise — was Golden Rice. This is rice which has genes added to it which allow the plant to make beta-carotene in its grain.

The latest news from Washington is both tasty and satisfying: Food and Drug Administration Commissioner David Kessler has agreed with his scientific advisory panel and approved Olestra, the first noncaloric fat replacer, for limited use.