Spatial Data Objects. The geometry and geography data types support sixteen spatial data objects, or instance types. However, only eleven of these instance types are instantiable; you can create and work with these instances (or instantiate them) in a database.
Rewiring the grain. Metabolic engineering. Golden Rice technology is based on the simple principle that rice plants possess the whole machinery to synthesise Î²-carotene, and while this machinery is fully active in leaves, parts of it are turned off in the grain.
Many years of work in greenhouses and screenhouses have shown that Golden Rice grows the same as other rice. This has been confirmed by small confined field tests recently carried out by IRRI and the Philippine Rice Research Institute (PhilRice).