Water Memory

etienne_marais

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Water memory is the purported ability of water to retain a memory of substances previously dissolved in it even after an arbitrary number of serial dilutions. It has been claimed to be a mechanism by which homeopathic remedies work, even though they are diluted to the point that no single molecule of the original substance remains.

Water memory defies conventional scientific understanding of physical chemistry knowledge and is not accepted by the scientific community. In 1988, Jacques Benveniste published a study supporting a water memory effect amid controversy in Nature, accompanied by an editorial by Nature's editor John Maddox urging readers to "suspend judgement" until the results could be replicated. In the years following publication, multiple supervised experiments were run by Benveniste's team, the United States Department of Defense, BBC's Horizon programme, and other researchers, but no team has ever reproduced Benveniste's results in controlled conditions.
- Wiki

(2 minutes 50 seconds)
[video=youtube_share;ILSyt_Hhbjg]https://youtu.be/ILSyt_Hhbjg[/video]
 

maumau

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Very interesting, yes homeopaths use the idea of water memory.
 

Cray

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Water memory in "Natural Sciences"....:erm:

Benveniste team, they failed to find any effect when running the experiment. Several "positive" results were noted, but only when a particular one of Benveniste's researchers was running the equipment. "We did not observe systematic influences such as pipetting differences, contamination, or violations in blinding or randomization that would explain these effects from the Benveniste investigator. However, our observations do not exclude these possibilities."

Benveniste admitted to having noticed this himself. "He stated that certain individuals consistently get digital effects and other individuals get no effects or block those effects."[25]

Third-party attempts at replication of the Benveniste experiment have failed to produce positive results that could be independently replicated. In 1993, Nature published a paper describing a number of follow-up experiments that failed to find a similar effect,[26] and an independent study published in Experientia in 1992 showed no effect.[27] An international team led by Professor Madeleine Ennis of Queen's University of Belfast claimed in 1999 to have replicated the Benveniste results.[28][29] Randi then forwarded the $1 million challenge to the BBC Horizon program to prove the "water memory" theory following Ennis's experimental procedure. In response, experiments were conducted with the vice-president of the Royal Society, Professor John Enderby, overseeing the proceedings. The challenge ended with no memory effect observed by the Horizon team.[30] For a piece on homeopathy, the ABC program 20/20 also attempted, unsuccessfully, to reproduce Ennis's results
 

zamedic

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Feb 27, 2010
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If water has "memory" - does it remember all the people and fishes that have have poo'd in it :)
 
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maumau

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You forgot to switch accounts?

Nah - only got one.

I was wondering, not stating a fact :)

The only person I've seen arguing with himself is Eks - quite admire him for his ability to do it.
 
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killerbyte

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May 10, 2007
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If the experiment cant be replicated it means that the science behind it is BS.
 
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