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Originally posted by FlyInTheOintment
reply to post by skjalddis
Here's an easily accesible MP3 of a recent interview with the author (I haven't heard this yet, but figured what the hey-ho, it's probably worth sharing anyway)
Originally posted by hotbread
I think what's meant is that the plant itself is soft creating a cushion type feeling when placed over the rock, but the stone itself remains physically the same.
Originally posted by wtbengineer
reply to post by reticledc
I was going to bring up the exact same point. And how about the jar they found the liquid in? What material was that made of that the liquid had no effect on it. I double your hmm, sir.
Originally posted by dizTheWiz
think i may have found something...sorry if link was already postededit on 22-4-2011 by dizTheWiz because: (no reason given)
check it out may be what every one is loooking foredit on 22-4-2011 by dizTheWiz because: (no reason given)
The organo-mineral complexes are obtained through the intermediary of oxalates, tartrates, succinates, fulvates, etc. .(3) It is known also that the organo-mineral complexes have a very strong dissolving action on the natural silico-aluminates (feldspar, hornblende, laterite, clorite,...) their dissoving action being 2 3 times greater than that of sulphuric acid or hydrochloric acid (4). The most highly acctive organo-mineral complexes are those obtained with oxalic acid, which is found in large quantities in numerous plants (5).
Originally posted by kahunausa
I would guess that the rock is limestone and that the chemical could be oxcilic acid or other organic acids in the leaf. Like cilantro chelating metals but more of an acid effect you could do it with lemon juice or many acid forming plants. the question in evolution is How did the birds that learn that trick?
Originally posted by reticledc
If it softens rock, then why not the bird's beaks?
Is it that specific that it will only soften rock?
Originally posted by Mike.Ockizard
Originally posted by DONTBEIGNORANT
reply to post by skjalddis
This was solved decades ago....
Another good reason to remove "Ancient Aliens" from my viewing list. They claim ancient alien tech was used for those stones. LOL
Originally posted by maestromason
Has anyone heard of lichen? It is a symbiotic moss that is known to produce an acidic rock dissolving compound.
Maybe the bird over time has found a way of pecking up the compound produced by the lichen, concentrating it and uses it to suit its needs. Just a thought.edit on 22-4-2011 by maestromason because: (no reason given)