SciDev.Net: A new type of rice that can survive total submersion for more than two weeks has passed its field tests with “flying colours”, say researchers, and is now close to official release. Scientists hope that the rice can make a major difference in Bangladesh and India where up to four million tons of rice per year — enough to feed 30 million people — are lost because of flooding. ‘Sub1’ rice is identical to the high-yielding varieties popular with both farmers and consumers across …