Scientific Skepticism FAQ
Frequently Asked Questions about scientific skepticism and various fringe topics.
This FAQ about scientific skepticism and various fringe topics.
was compiled and written by Paul Johnson Paul@treetop.demon.co.uk
with numerous contributions by others.
0.1: What is sci.skeptic for?- Sci.skeptic is for those who are skeptical about claims of ...
0.2: What is sci.skeptic not for?- The scope of sci.skeptic extends into any area where hard evidence ...
0.3: What is CSICOP? What's their address?- CSICOP stands for the Committee for the Scientific Investigation ...
0.4: What is "Prometheus"?- Prometheus Books is a publisher specialising in skeptical books....
0.5: Who are some prominent skeptics?- James The Amazing Randi is a professional stage magician who ...
0.6: Aren't all skeptics just closed-minded bigots?- People who have failed to convince skeptics often say Well ...
0.6.1: Why are skeptics so keen to rubbish fringe ideas?- Skeptics vary on the attitude they take towards a new fringe idea,...
0.6.2: How do we know Randi is honest? (sci.skeptic)- Randi has offered a large prize to anyone who can ...
0.6.3: Why don't skeptics debunk religions?- Skeptics aim to debunk false claims and silly theories by using ...
0.6.4: How can I persuade the other side? (scientific skepticism)- This isn't a FAQ, but it should be! Originally this question ...
0.7: Is there any scientific psi research? - [Contributed by Roger Nelson of PEAR]...
0.8: What is a Conspiracy Theory?- There are two general categories of conspiracy theory: Grand ...
0.9: What is "cold reading"? (scientific skepticism)- [From a posting by Pope Charles ]...
0.10: Is there a list of logical fallacies? (scientific skepticism)- A complete list of formal and informal logical fallacies is posted ...
0.11: What national and local skeptics organisations are there?- The following addresses are not guaranteed correct. Please check ...
0.12: Where can I get books on paranormal phenomena?- Skeptics who want to obtain books on paranormal allegations are ...
0.13: Where can I find skeptical information on-line?- Web pages:
0.14: Where can I find paranormal information on-line?- Web pages:
1.1: What is the "scientific method"?- The scientific method is the best way yet discovered for ...
1.2: What is the difference between a fact, a theory and a hypothesis?- In popular usage, a theory is just a vague and fuzzy sort of fact....
1.3: Can science ever really prove anything?- Yes and no. It depends on what you mean by prove....
1.4: If scientific theories keep changing, where is the Truth?- In 1686 Isaac Newton proposed his theory of gravitation. This was ...
1.5: "Extraordinary evidence is needed for an extraordinary claim" (scientific skepticism)- An extraordinary claim is one that contradicts a fact that is ...
1.6: What is Occam's Razor?- Ockham's Razor (Occam is a Latinised variant) is the ...
1.7: Galileo was persecuted, just like researchers into today.- People putting forward extraordinary claims often refer to Galileo ...
1.8: What is the "Experimenter effect"?- It is unconscious bias introduced into an experiment by ...
1.9: How much fraud is there in science?- In its simplest form this question is unanswerable, since ...
1.9.1: Did Mendel fudge his results? (scientific skepticism)- Gregor Mendel was a 19th Century monk who discovered the laws ...
1.10: Are scientists wearing blinkers?- One of the commonest allegations against mainstream science is ...
2.1: Is Uri Geller for real? (scientific skepticism)- James The Amazing Randi has, through various demonstrations, ...
2.2: I have had a psychic experience. (scientific skepticism)- That is pretty remarkable. But before you post to the Net, consider:-...
2.3: What is "Sensory Leakage"?- Sensory leakage is something that designers of tests for psi must ...
2.4: Who are the main psi researchers?- Targ and Puthoff spring to mind, but actually, Puthoff is no ...
2.5: Does dowsing work? (scientific skepticism)- Dowsing is the art of finding underground water by extra-...
2.6: Could psi be inhibited by the presence of skeptics?- Psychic researchers have noted something they call the ...
2.7: Why don't the skeptics test the real psychics?- A claim is sometimes made that the Skeptics movement only tests ...
2.8: What is the ganzfeld? (scientific skepticism)- A state of sensory deprivation which may enhance psychic abilities....
3.2: Is it true that the US government has a crashed flying saucer (MJ-12)?- The MJ-12 documents purportedly established that the U.S. ...
3.3: What is "channeling"?- Channeling is remarkably similar to Spiritualism. The ...
3.4: How can we test a channeler?- Some channelled entities are alleged to come from the distant past....
3.5: I am in telepathic contact with the aliens. (scientific skepticism)- See the earlier section on psychic experiences and then try ...
3.6: Some bozo has just posted a load of "teachings" from a UFO. What should I do?- You have several choices:...
3.7: Are crop circles made by flying saucers?- There is no convincing evidence that crop circles or any other kind ...
3.7.1: Are crop circles made by "vortices"?- Probably not. There are a number of meteorologists who believe ...
3.7.2: Are crop circles made by hoaxers?- Of course. Although most people have heard only of two, Doug Bower ...
3.7.3: Are crop circles radioactive?- This is a claim that has received wide circulation in UFO/...
3.7.4: What about cellular changes in plants within crop circles?- Yes, what about the changes? Although this is another claim that ...
3.8: Have people been abducted by UFOs?- While the number of people who believe themselves to have ...
3.9: What is causing the strange cattle deaths? (scientific skepticism)- Cattle and other animals have been found dead with ...
3.10: What is the face on Mars?- One of the Mars orbiters took a photograph of a part of Mars (Cydonia)...
3.11: Did Ezekiel See a Flying Saucer?- The chapter in question is Ezekiel 1:4-28. This vision is an ...
3.12: What happened at Tunguska? (scientific skepticism)- At 7:17 in the morning of June 30th 1908, close to the Stony ...
3.13: How did the Dogon know about Sirius?- The story goes that when they were first contacted by Europeans, ...
4: Faith Healing and Alternative Therapies- Disclaimer: I am not medically qualified. If you have a ...
4.1: Isn't western medicine reductionistic and alternatives holistic?- Practitioners of alternative therapies often put forward the idea ...
4.2: What is a double-blind trial? What is a placebo?- A double-blind trial is the standard method for deciding whether ...
4.3: Why should scientific criteria apply to alternative therapies?- So that we can tell if they work or not. If you take a ...
4.4: What is homeopathy?- Homeopathy is sometimes confused with herbalism. A ...
4.5: What is aromatherapy?- A belief that the essential oils of various flowers have ...
4.6: What is reflexology? What is iridology?- Reflexology is an alternative therapy based on massage of the feet....
4.7: Does acupuncture work?- There is evidence that acupuncture treatment has an analgesic (...
4.8: What about psychic surgery?- Psychic surgeons have claimed to be able to make magical incisions,...
4.9: What is Crystal Healing?- The belief that carrying a small quartz crystal will make you ...
4.10: Does religious healing work?- Miraculous healing is often put forward as a proof of the ...
4.11: What harm does it do anyway? (Faith Healing and Alternative Therapies)- People have died when alternative practitioners told them to ...
5.1: Is the Bible evidence of anything? (Creation versus Evolution)- Apart from the beliefs of those who wrote it, no. It is true ...
5.2: Could the Universe have been created old? (Creation versus Evolution)- An argument is sometimes put forward along the following lines:...
5.3: What about Carbon-14 dating? (Creation versus Evolution)- Isotope dating takes advantage of the fact that radioactive ...
5.4: What is dendrochronology? (Creation versus Evolution)- The science of dating wood by a study of annual rings....
5.5: What is evolution? Where can I find out more?- Many creationist refutations of evolution are based on a straw-...
5.6: "The second law of thermodynamics says.... (Creation versus Evolution)- ...that entropy is always increasing. Entropy is a measure of ...
5.7: How could living organisms arise "by chance"? (Creation versus Evolution)- This is actually a less sophisticated version of the question above....
5.8: But doesn't the human body seem to be well designed? (Creation versus Evolution)- Not to me. Consider a few pieces of the human body for a moment. ...
5.9: What about the thousands of scientists who have become Creationists?- This outrageous claim is frequently made by creationists, but ...
5.10: Is the Speed of Light Decreasing? (Creation versus Evolution)- The origin of this claim is a paper by Norman & Setterfield ...
5.11: What about Velikovsky? (Creation versus Evolution)- In the 1950s a Russian psychologist named Immanuel Velikovsky ...
5.12: Are there human footprints from 250 million years ago? (Creation versus Evolution)- Claims that human footprints have been found mixed in with ...
6.1: Is fire-walking possible?- Yes. It is possible to walk on a bed of burning wood without ...
6.2: Can science explain fire-walking?- There are a number of theories which have been put forward to ...
7.1: What do New Agers believe?- An awful lot, it would seem. New Age is not a religion in ...
7.2: What is the Gaia hypothesis?- There are several versions. The following taxonomy was suggested ...
7.3: Was Nostradamus a prophet?- No. His supporters are very good at predicting events after the fact,...
7.4: Does astrology work?- No. A number of studies have been done which have failed to find ...
7.4.1: Could astrology work by gravity?- Some people argue that we are affected by the gravity of the ...
7.4.2: What is the `Mars Effect'?- French scientist Michael Gauquelin has discovered an ...
7.4.3: But couldn't there be some undiscovered connection between people and planets?- Well of course there *could* be. There *could* be an invisible ...
7.5: What is Kirlian Photography?- [Information from a posting by Dave Palmer ]...
8.1: Why don't electrical perpetual motion machines work?- Electrical perpetual motion machinists usually present a machine ...
8.2: Why don't mechanical perpetual motion machines work?- Mechanical perpetual motion machines depend on rising and ...
8.3: Why don't magnetic perpetual motion machines work?- Magnetic motors have a clever arrangement of magnets which keeps ...
8.4: Magnets can levitate. Where is the energy from?- Levitating magnets do not require energy, any more than ...
8.5: But its been patented! (Strange Machines: Free Energy and Anti-Gravity)- So what? Patent offices will not grant a patent on a ...
8.6: The oil companies are conspiring to suppress my invention (Strange Machines: Free Energy and Anti-Gravity)- This is a conspiracy theory. See the entry on these in section 0....
8.7: My machine gets its free energy from (Strange Machines: Free Energy and Anti-Gravity)- A number of machines have been proposed which are not ...
8.8: Can gyroscopes neutralise gravity?- Gyroscopes (or gyros) are a favorite of lift machine ...
8.9: My prototype gets lighter when I turn it on (Strange Machines: Free Energy and Anti-Gravity)- Weighing something which is vibrating on ordinary scales is a sure ...
8.10: Can magnets improve fuel efficiency or descale pipes? (Strange Machines: Free Energy and Anti-Gravity)- Both of these questions come around fairly regularly. Some ...
9.1: What about these theories on AIDS?- There are two AIDS theories that often appear in sci.skeptic. ...
9.1.1: The Mainstream Theory (AIDS)- The generally accepted theory is that AIDS is caused by the ...
9.1.2: Strecker's CIA Theory (AIDS)- Strecker's theory is that the CIA made HIV in the 1970's by ...
9.1.3: Duesberg's Risk-Group Theory (AIDS)- Duesberg's theory is: HIV is a harmless retrovirus that may serve as ...
9.2: What About the Sailor with AIDS in 1959?- (The following information is from The Independent, 24 March 1995)...
10.2: How Can I Contact the False Memory Syndrome Foundation?- There is a web page at:...