Floods, droughts, warming threaten world's most vital food
                                
                                
                                    (Newser) -
                                    While much of the world focuses its attention on oil, 1,000 people in a lab outside Manila are worrying about the other staple the modern world depends on: rice. Because of drought, floods, and overproduction, Asian rice yields are flatlining, the Journal reports; as a result, the price of...