Nowadays, we can harness the powers of directed evolution to design enzymes for custom purposes, and one of these is designing enzymes for doing applications in new areas, like laundry.
The Nautilus slowed down, hovering above the muddled masses on the seafloor, sometimes grazing them as if wanting to come to rest, sometimes rising unpredictably to the surface of the waves.
Now, 'speak' and 'talk' are synonyms and most of the time you can use either one of these verbs interchangeably, which means it doesn't matter, you can choose either.