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Posted on Saturday, September 01 - 2007

For more than a century it has been cited as the quintessential example of Darwinism in action. It was the story of the peppered moth and how its two forms had struggled for supremacy in the polluted woodlands of industrial Britain. Every biology textbook on evolution included the example of the black and peppered forms of the moth, Biston betularia. The relative numbers of these two forms were supposed to be affected by predatory birds being able to pick off selectively either the black or peppered variety, depending on whether they rested on polluted or unpolluted trees.It became the most widely cited example of Darwinian natural selection and how it affected the balance between two competing genes controlling the coloration of an organism. Thenthe doubts began to emerge.Critics suggested that the key experiments on the peppered moth in the 1950s were flawed.

Some went as far as to suggest the research was fraudulent, with the implication that the school textbooks were feeding children a lie.Creationists smelt blood. The story of the peppered moth became a story of how Darwinism itself was flawed - with its best known example being based on fiddled data.Now a Cambridge professor has repeated the key predation experiments with the peppered moth, only this time he has taken into account the criticisms and apparent flaws in the original research conducted 50 years ago. Michael Majerus, a professor of genetics at Cambridge University, has spent the past seven years collecting data from a series of experiments he has carried out in his own rambling back garden. It has involved him getting up each daybefore dawn and then spending several hours looking out of his study window armed with a telescope and notepad.He wanted a definitive test of the idea that selective predation by birds really was responsible for the differences in the chances of survival among black and peppered varieties of B. betularia. His garden outside Cambridge is in an unpolluted area so in this setting it should be the typical or peppered variety of the moth that has a better chance of survival than that of the black or carbonaria form; it is unlikely to be seen by birds against the mottled background of the lichen-covered trees.

View: Full Article | Source: Independent

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[ Read More ] Reference : Evolution, Skeptic

Posted on Tuesday, July 24 - 2007

James Randi has escaped from a locked coffin submerged in the sea, and from a straitjacket dangling over Niagara Falls. If you chose a word from a 200-page book, the Canadian native could guess it. Pick an object, he'd make it fade from sight.He gave up performing as The Amazing Randi years ago, but his words to the audience at the end of each show foreshadowed his next act."Everything you have seen here is tricks," he would say. "There is nothing supernatural involved here. I hope you'll accept my word for that. Thank you and good evening."For more than two decades, Randi has been skeptic-in-chief, challenging psychics and faith healers, mediums and mentalists. Hefinds his targets so preposterous and those falling for them so desperate that he has become obsessed."It's important," he says, "because any misinformation like this – of people claiming they can subvert nature, they can do real miracles and they want to be paid for it ...

that's a very negative influence on society."Toronto-born Randall James Hamilton Zwinge's career as a magician and escape artist came after he dropped out of high school and left home to join the carnival. His stage routine gave way to a nagging need to speak out against those whose work he regarded as nonsense – not just people who read palms and minds. Randi "came out" as a skeptic on a 1972 episode of The Tonight Show – he helped Johnny Carson set up Uri Geller, the Israeli performer who claimedto bend spoons with his mind. Randi ensured the spoons and other props were kept from Geller's hands until show time to prevent tampering. The result was an agonizing 22 minutes in which Geller was unable to perform any tricks.In the years since, Randi has garnered a prestigious MacArthur fellowship, established the James Randi Educational Foundation and become guardian of a $1 million (U.S.) prize earmarked for anyone who can prove supernatural powers. It remains unclaimed.Randi will go to great lengths to expose frauds. Michael Shermer, the publisher of Skeptic magazine and executive director of the Skeptics Society, notes he is following in the steps of Houdini."It takes a magician to know how people deceive purposely. Scientists are not trained to detect intentional deception," Shermersa...

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Posted on Tuesday, April 24 - 2007

Gordon Rugg’s work showed that the Voynich Manuscript could have been hoaxed. Whether or not the manuscript actually was a hoax was another question. A key problem was finding a suitable type of statistical analysis. A breakthrough comes with the publication in Cryptologia this April of an article by Austrian researcher Dr Andreas Schinner, a theoretical physicist and software engineer at the Johannes Kepler University.Schinner analysed the text of the manuscript using specialist statistics capable of handling quasi-stochastic distributions, and found that the manuscript’s statistical properties were consistent with a hoax consisting of meaningless gibberish produced using Rugg’s method or a similar quasi-random method.

This does not prove that the manuscript is a hoax, but it strongly suggests that the hoax theory is correct. If there is meaningful coded material in the manuscript, then either:- there is only a small amount, surrounded by largeamounts of meaningless padding – otherwise the statistics would have come out differently, or - if there is a large amount of meaningful coded material, then it must have been encoded using a method which just happens to produce the same statistical properties as a quasi-random gibberish generator.

View: Full Article | Source: Knowledge Modelling

Views : 3173

Posted on Wednesday, April 04 - 2007

The relics of Joan of Arc’s body housed in a church museum are forgeries and not the remains of the 15th-century French heroine and saint, it was reported Wednesday. Instead, the sacred items were manufactured from the remains of an Egyptian mummy, scientists say. The relics include a charred-looking human rib, chunks of seemingly burnt wood, a six-inch strip of linen and a cat femur—consistent with the medieval practice of throwing black cats onto the pyres of alleged witches. They are housed ina museum in Chinon that belongs to the Archdiocese of Tours, in France.

The finding of the fabrication was reported by news@nature.com, the online site of the journal Nature. Philippe Charlier, a forensic scientist at Raymond Poincare Hospital in Garches, near Paris, France, who examined the remains, said he was “astonished” by the results. “I’d never have thought that it could be from a mummy,” Charlier told Nature. The researchers used a host of techniques to investigate the remains, including infrared and atomic-emission spectroscopy, mass spectroscopy, electron microscopy, pollenanalysis and, more unusually, the help of the leading “noses” of the perfume industry.The sniffers detected hints of vanilla in the remains, which is inconsistent with cremation. “Vanilla is produced during decomposition of a body,” Charlier explained. “You would find it in a mummy, but not in someone who was burnt.”To view the rest of the article, please visit the source

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About Paranormal Phenomena.  Archive of Paranormal Unexplained-mysteries of paranormal.  Yahoo Paranormal Phenomena.  Paranormal Phenomena from wikipedia.  Paranormal Phenomena.  Google.com.  Google Paranormal Phenomena.  Yahoo.com.  ODP Paranormal Phenomena.