This Week: Ancient water = ancient habitat?
In the News: Accidents: Why Do They Happen?
Drafts of two hefty food-safety regulations are released. What are the fundamentals of ensuring safety in the giant American food system? Where is the room for improvement? Who will (and maybe should) escape regulation?
Mad cow strikes United States. Government and industry try to reassure public, regulate cattle and dairy industries. And what about those deer with chronic wasting disease?