Complex sentence: Modern homeopaths have proposed that water has a memory that allows homeopathic preparations to work without any of the original substance; however, there are no verified observations nor scientifically plausible physical mechanisms for such a phenomenon.
Split into simpler sentences: Modern homeopaths have proposed that water has a memory that allows homeopathic preparations to work without any of the original substance. However, there are no verified observations or scientifically plausible physical mechanisms for such a phenomenon.