All Questions

Filter by
Sorted by
Tagged with
7
votes
5answers
6k views

Is it possible to get to the power needed to thrust a rocket so that it can escape from earth?

Note: Any velocity mentioned in this question is the velocity relative to the earth. Warning: Base your answers on formal proof and facts, moon images aren't really science... According to this ...
25
votes
1answer
2k views

Is carbonated water unhealthy?

I have a coworker who says that drinking soda leads to kidney problems. I did some Googling and while I found a lot of blogs and message board posts saying such, the only credible link I found was ...
29
votes
3answers
3k views

Has yoga been shown to have a healing effect?

In a comment to one of the answers of Is there any scientific evidence that prayer can help to heal? Konerak wrote: That's for intercessory prayer. Praying for yourself has been correlated to ...
24
votes
1answer
3k views

Is Barack Obama's SSN valid?

The latest conspiracy theory surrounding the validity of Barack Obama's Presidency is his Social Security Number. Some people are claiming that his SSN is a Connecticut SSN, but he never lived there (...
41
votes
2answers
3k views

Does prayer help to heal?

It's not hard to find claims like these in the media or on the web from time to time. Is there any scientifically verifiable evidence that prayer (in addition to appropriate medical/surgical ...
11
votes
1answer
2k views

The starchild skull

A program on History Channel describes an allegedly non-human skull found in mexico, called the starchild skull. From http://www.starchildproject.com/: THE STARCHILD SKULL is a genuine 900-year-...
14
votes
2answers
2k views

Could One Man Have Built The Coral Castle?

Supposedly, just one man built the Coral castle. Jilted by the woman who would be his wife, and miraculously recovering from a terminal case of tuberculosis, Edward Leedskanlin built the structure in ...
25
votes
1answer
2k views

Do tax cuts stimulate an economy?

Every election cycle, I keep hearing that tax breaks stimulate the economy. Are there any well-known studies or scientifically-backed examples from history that shed light on whether or not this ...
21
votes
1answer
12k views

Do drug addicts stop maturing when they become addicted?

Occasionally individuals and organizations that help drug users and addicts claim that addicts stop maturing when they become addicted to drugs: Well, drugs and alcohol hinder a person’s brain ...
14
votes
1answer
2k views

Can music incite murder?

From a deleted 700 Club interview archived on the internet archive at http://web.archive.org/web/20000122101421/http://www.cbn.org/the700club/johannamichaelsen.asp Johanna says you can trace ...
30
votes
1answer
5k views

Is learning more difficult for older people?

My parents always say to me that they can't learn as well as me because it's more difficult and they forget things faster etc.. Maybe it seems logical, but for me it would be much more logical that, ...
24
votes
2answers
6k views

Does drinking coffee improve concentration?

Will drinking a cup of coffee before I sit down to work improve my concentration, compared to drinking a cup of water?
19
votes
2answers
1k views

Learning while you are sleeping

Just to clarify, I'm not asking about Hypnopaedia, but about using a lucid dream as a training/rehearsal stage. The Lucidity Institue claims: ... many people use lucid dreaming to rehearse for ...
30
votes
1answer
4k views

Does the Pomodoro Technique increase productivity?

A lot is written about The Pomodoro Technique on various productivity blogs, is there any hard evidence that it improves productivity compared to basic scheduling of work?
246
votes
2answers
37k views

Do bigger or more monitors increase productivity?

There is a ton of anecdotal evidence that adding more screen estate (more or larger monitors) leads to an increase in productivity, especially for programmers. For example, where I work, all ...
22
votes
2answers
1k views

Does listening to music while working improve mental ability?

I'm a high school student and when I'm studying / working on homework, I often listen to music, but its very hard for me to tell whether or not this is helping me or hindering me from an objective ...
25
votes
1answer
6k views

Does intermittent fasting improve immune function through autophagy?

Does intermittent fasting improve immune function through autophagy? Intermittent fasting (also known as, "IF") is the practice of periodically going without food for a period of time, ...
59
votes
3answers
65k views

Claimed similarities between Jesus Christ and Horus and other Gods

The 2007 conspiracy theory film Zeitgeist: The Movie (Website, Watch online, Wikipedia Entry) states in Part I "The Greatest Story Ever Sold" that major points of the story about Jesus Christ's birth,...
11
votes
2answers
2k views

Do solar storms affect human behaviour?

The other day, I found the following claim that solar flares cause a great increase in human agressiveness: Chizhevsky found after intense research that the rise and fall of solar activity—...
12
votes
1answer
3k views

Backwards masking in music

It was alleged by opponents to rock and heavy metal that the artists would include hidden satanic messages in their songs that would become audible when playing the song backwards. It was further ...
20
votes
3answers
756 views

Are yawns contagious?

I guess that this might be a little bit of an extension of the question "Is yawning contagious across species" that was earlier asked. But my question is, is yawning contagious at all? Is there any ...
34
votes
5answers
4k views

Does DNA add credibility to the theory of evolution?

I have yet to make up my mind regarding the theory of evolution. Whilst doing some reading on dnafish I read that DNA itself provides evidence for the theory of evolution: Yeast, trees, flowers, ...
32
votes
2answers
36k views

Is it the current that kills you, not the voltage?

"It is not the voltage that kills you, it is the current" is an electricity safety tip I've heard many times. For example, here is an experienced electrician making the claim: The real danger with ...
15
votes
2answers
3k views

Are left-handed people smarter or more creative?

I frequently hear that left-handed people tend to be smarter or more creative. For example, a disproportionate number of musicians, presidents, and doctors are left-handed. Does being left-handed give ...
8
votes
1answer
1k views

Can psychics like John Edward contact the dead?

He offers both public and private readings and has been featured on many television shows, but is there any evidence that he can contact the dead as he says?
25
votes
1answer
8k views

Do vertical stripes make you look thinner?

It is perceived wisdom that vertical stripes on clothing make a person look thinner and horizontal stripes make them look fatter. Has any research been done into these optical illusions that support ...
13
votes
2answers
6k views

Does earthing reduce oxidative stress and inflammation?

The other day my friend asked what I think about "earthing" claiming that their products provide electrons we used to get from walking barefoot on the earth surface and that they have positive (...
7
votes
1answer
780 views

Is the Amityville Horror real?

No one disputes the atrocity of the 1974 murders committed by Ronald DeFeo Jr which occurred at the house. However, was there any truth to the 1977 book by Jay Anson which chronicled various claims ...
10
votes
1answer
937 views

Was the Patterson Bigfoot Film Faked?

On October 20, 1967, Roger Patterson made a video which seared an image of Bigfoot into the popular consciousness..... Is that video real?
300
votes
7answers
34k views

Did Jesus live?

Regardless of whether you believe or not... What is the non-Biblical evidence regarding his existence around the time he is commonly thought to have lived? That is, are there other historically ...
24
votes
4answers
3k views

“La fée verte”: Is Absinthe hallucinogenic?

Absinthe is a distilled, alcoholic beverage, sometimes referred to as "la fée verte" (the green fairy). Absinthe was banned in many countries during the early 20th century: 1906 - Brazil and ...
23
votes
1answer
11k views

Do mechanical techniques for penis enlargement work?

According to several different penis enlargement companies, and an unsourced claim on Wikipedia, men have been trying to enlarge their penis for over 2,000 years. Over the years, many different ...
14
votes
1answer
1k views

What is the current state of the evidence of the existence of the so-called Nazi UFO's?

As a skeptic I was present at a meeting where the presenter stated his believe in Nazi UFOs. Many websites claim that the Nazis had developed flying saucer technology during WWII. In science ...
7
votes
1answer
582 views

Is prescription fish oil better than over-the-counter fish oil?

The possible health benefits of fish oil (primarily from its omega-3 content) have made it a popular supplement. There are a lot of over-the-counter fish oil supplements (google fish oil) on the ...
17
votes
2answers
877 views

Are animal experiments unnecessary for toxicological studies?

I've heard from animal rights activists that experiments on animals are not necessary because we can get the same or better results from cell culture experiments. An example of that claim is this ...
28
votes
2answers
3k views

Does gender affect driving skill?

Are there any differences in either sex which are provably beneficial and/or detrimental to their driving abilities? Also, is it possible that stereotypical gender roles make any difference in ...
14
votes
1answer
546 views

Was there a trick behind this magnetic therapy demonstration?

On Sunday, a lady from church saw me limping, and said that she had something to show me that might help. Tonight, she showed me magnetic shoe inserts. I'm listening politely, and thinking "BS!," ...
12
votes
3answers
2k views

Do “blue light therapy” systems help with sleeping disorders?

I've seen blue light therapy systems which just look like a bunch of LED blue lights being sold online and in stores. They claim to help with sleeping disorders and jet lag. How are they supposed to ...
9
votes
1answer
396 views

Do performance based scholarships increase grade inflation?

For instance, in this wikipedia there is the (un-cited) criticism that a specific scholarship has led to grade inflation. HOPE has been blamed for increased levels of grade inflation in Georgia ...
28
votes
2answers
9k views

Do non-FDA approved “male enhancement” pills work?

The airwaves and Internet are full of advertisements for "male enhancement" products: magic pills "guaranteed" to enlarge your penis and increase your sex drive. For example, ExtenZe, perhaps the ...
25
votes
2answers
4k views

Are programmers likely to be musicians?

It's a common belief in the coder world: many programmers are also (talented) musicians. It was certainly true in the places I've worked as a programmer, and I have been a professional musician and a ...
77
votes
3answers
48k views

Is it possible to “die instantly”?

Lots of times, when some great tragedy occurs, one often hears journalists and bystanders alike softening the blow of having some person die by saying something like "at least they died instantly" or "...
22
votes
1answer
1k views

Was the mathematical genius of Gauss discovered at school?

It is often said that the genius of Carl Friedrich Gauss was first discovered when his teacher told the students to calculate the sum of all integers from 1 to 100 to keep them occupied and young ...
16
votes
1answer
872 views

Do silicone breast implants cause health problems?

An article in Business Week Magazine (June 10, 1991, but can't yet find a link) kicked off a debate that raged throughout the 90's. It stated that silicone breast implants manufactured by two Big ...
15
votes
2answers
389 views

Japan's earthquake and the Earth's axis

I've been hearing a lot lately about how Japan's massive earthquake moved the Earth or changed its axis by 1°-4°. I personally feel that this is not possible, but I don't have nearly enough knowledge ...
20
votes
4answers
3k views

Does gargling salt water reduce incidence of flu?

Many of the more dubious health sites promote gargling salt water (or peroxide) and swabbing the nasal cavity as a 'natural' prevention for catching the 'flu. Is there any science behind this? I ...
41
votes
3answers
5k views

Does urine heal jellyfishes' sting?

It is a common myth that, if you're stung by a jellyfish, then pouring urine on the wound is an effective way to treat the injury or ease the pain. That belief is deeply entrenched in the American ...
141
votes
4answers
23k views

Can you only trace a phone call if they don't hang up?

In movies and television shows, you often see law enforcement (or hacker types) attempting to trace a phone call that they have received. The typical scene plays out with one party trying to keep the ...
56
votes
1answer
40k views

Is it a good idea to drink your own urine in a survival situation?

Image Source In Man vs. Wild the host Bear Grylls claims you should drink your own urine to avoid dehydration. Among the many other interesting feats he has done: The show has featured stunts ...
29
votes
2answers
3k views

Is the Moon young?

According to Dr. Thomas G. Barnes the Moon is much younger than claimed by the mainstream scientific community, by many orders of magnitude. The Giant impact hypothesis, one of the primary ...

15 30 50 per page