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Everyone and everything is potentially dangerous. But irrational fear is irrational fear. More people die by falling off of ladders than by BF (beheaded or not).

Hi Suzi, Perhaps it's your posting style, or my interpretation of it....I apologize if I came across a bit harsh. You know I pop in occassionally to point out there are more 'real' fears to be concerned with. With that said, I bet you could find instances of people getting beheaded by all sorts of creatures. I don't think that BF is all flower-child peace loving, and I don't think they are bloodthirty demons of the forest. ANY living creature will do terrible things to others if the circumstances are there. :-)

Guys and Gals, let us stay on topic and not pee all over the place. I was looking for a scientific paper that could shine some light on the claim that infrasound could cause a panic attack on humans. I found a good paper by Dr. Jurgen Altmann titled “Acoustic Weapons—A Prospective Assessment: Sources, Propagation, and Effects of Strong Sound†published in 1999 by Cornell University. The paper is available in PDF at link below: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCYQFjAB&url=http%3A%2F%2Fpacs.einaudi.cornell.edu%2Fsystem%2Ffiles%2Foccasional-paper22.pdf&ei=ht9TVOKYF82MyATp9oCABw&usg=AFQjCNF271TYEl0HUTTc58u_Ze5M_KVTUQ&bvm=bv.78677474,d.aWw While the paper covers the full range of acoustic frequencies, the author does reach some conclusions on what was known about infrasound back in 1999. One of the tables in his paper shows many sources of natural infrasound, their frequencies and sound pressure level (see attached image). However, he points out that there is no evidence or published scientific studies showing that infrasound causes panic or negative effects on humans. I extracted 3 of his key conclusions regarding infrasound: • On the Effects of Low-Frequency Sound on Humans: In the 1960s and 1970s there was a wave of articles ascribing exaggerated effects to infrasound, not only in the general press. Much of this was anecdotal. In some cases, effects observed in one laboratory could not be reproduced in another, e.g., concerning the evocation of nystagmus (involuntary eye movements) by infrasound. One reason may be production of harmonics in test systems. Harmonics need to be controlled carefully, otherwise—because the sensitivity increases rapidly with frequency—they could influence the results. • Contrary to several articles in the defense press, high-power infrasound has no profound effect on humans. The pain threshold is higher than in the audio range, and there is no hard evidence for the alleged effects on inner organs, on the vestibular system, for vomiting, or uncontrolled defecation up to levels of 170 dB or more. • On the idea of Infrasound Beam from a Directed Source: The first obstacle is diffraction. Waves emitted from a source immediately diverge spherically if the wavelength is larger than the source; i.e., the power is spread over an area increasing with distance, and consequently the intensity and sound pressure decrease with distance. For source sizes on the order of one meter, this holds for frequencies below a few hundred Hertz. "Beams of infrasound" have no credibility. But even at higher frequencies with shorter wavelengths, where focusing or a beam of constant width can be achieved up to a certain distance, eventually spherical spreading will take over as well. On the opposite side of the debate is Coonbo, who claims to have done research on infrasound for the US Government and believes that BF is emitting them and causing panic attack like symptoms. He discusses this in a Moneky Chasers Forum back in 2002 (see link below). Back then, Coonbo also raised the pheromones alternative. http://www.network54.com/Forum/99679/thread/1016845917/Panic+Attacks+and+Bogus+Logic Some of these topics get repeated over the years (obviously because we have no answers and no resolution to the mystery).

I agree, he is consistent

Quoted for truth. This echos my own sentiments.

Because the women in the house are using up all of the bathrooms and when you got to go, you just got to go......

Have there been any documented cases of infra sound induced panic attacks caused by anything you listed? Seems like we should have people freaking out on a daily basis. And how come one can't include an unknown as a possible explanation? Denial isn't science based, no? If you like, I can provide a list of 'unknowns' that were considered as an explanation in scientific discovery, and then later proven to be real.

Sure, our Gov knows! So why should they even try to show proof of it's existence. There is no need for the public to know so why even say it does. If you believe that we live in a free society then why should anyone even express acknowledgment of their existence. It is no one's business what anyone knows and if that is how it should be kept then I am in agreement. The only time that they should be responsible is when these creatures are a danger to us as humans. I have no problem with this and as it stands it is none of our business ,if they do not wish to share. The more secrets that are kept from us is either for our own protection and or theirs. In which I believe that they do not need our protection, They have all what the need. They have do so for all these years and refuse to just stay from us. It is better to just leave things alone and never say on what one knows.