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.
A new Golden Rice generation. The first generation of Golden Rice showed that it was possible to produce provitamin A in rice grains, but it was recognised that to combat vitamin A deficiency more higher Î²-carotene levels would be required.