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Related Experiment Video

Updated: Jul 13, 2026

Morris Water Maze Experiment

Morris Water Maze Experiment

Published on: September 24, 2008

Can water possibly have a memory? A sceptical view.

José Teixeira¹

¹Laboratoire Léon Brillouin (CEA/CNRS), CEA Saclay, 91191 Gif-sur-Yvette Cedex, France. jose.teixeira@cea.fr

Homeopathy : the Journal of the Faculty of Homeopathy

|August 7, 2007

Summary

Homeopathic remedies involve extreme dilutions, leading to the idea that water retains a memory. However, this concept contradicts current scientific understanding of pure water. Further research should explore other preparation factors beyond water

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Area of Science:

Homeopathy
Physical Chemistry
Pharmacology

Background:

Homeopathic medicines are widely used despite ongoing debate regarding their efficacy.
Their preparation involves serial dilutions of substances in water to levels beyond detection.
A proposed mechanism suggests water retains a 'memory' of the original substances.

Purpose of the Study:

To evaluate the scientific plausibility of the 'water memory' hypothesis in homeopathy.
To align the understanding of homeopathic preparation with established principles of water chemistry.

Main Methods:

Review of existing scientific literature on water properties and homeopathic preparation methods.
Analysis of the theoretical compatibility of the 'water memory' concept with physical chemistry principles.

Main Results:

The 'water memory' hypothesis is inconsistent with current scientific understanding of pure water.
No detectable level of the original substance remains after extreme dilutions.
The proposed mechanism lacks a basis in established physical or chemical laws.

Conclusions:

The concept of 'water memory' as an explanation for homeopathic effects is scientifically unfounded.
Future research into homeopathic preparations should investigate other potential factors, such as impurities or dissolved gases.
Alternative physical or chemical explanations are needed to understand any observed effects of homeopathic treatments.