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.
It is important to understand that golden rice is considered a type of genetically modified rice (GMO). It is a fortified food that is produced to combat a vitamin A deficiency in areas where this vitamin is scarce. More and more people are being diagnosed with a vitamin A deficiency.