Obviously, science is going to keep moving, they're going to keep changing, and it may be that your original approach isn't right and new ideas may come up, but you do need to have some process of moving this forward.
Claro, la ciencia seguirá avanzando. Seguirá cambiando y puede que sea que el método original no sea el correcto y nuevas ideas vendrán, pero se necesita algún tipo de proceso para progresarlo todo.