All Questions
1,837
questions
25
votes
3
answers
3k
views
Will global warming reduce available oxygen?
I saw a friend "like" this news article on Facebook which claims that phytoplankton would stop oxygen production:
"If the world’s oceans warmed by 6 degrees Celsius—a realistic possibility if ...
23
votes
1
answer
3k
views
Does using a laptop on your lap lower your sperm count?
It is sometimes claimed that using a laptop on or in proximity of testicles can result in a lower sperm count. This Health.com article claims:
Can a laptop computer really affect a man’s ability to ...
20
votes
1
answer
1k
views
Is this new study on cell phone / cancer connection legitimate?
Insanely related: Do mobile phones have anything to do with cancer?
I was just sent THIS article, which claims that a new study does show a link between brain cancer and cell phones:
This new study ...
20
votes
3
answers
3k
views
Recommended alcohol drinking quantity: are they just making it up?
From an NHS website:
To lower your risk of health problems, the NHS recommends that:
men should not regularly drink more than 3-4 units of alcohol a day
women should not regularly drink more than 2-3 ...
20
votes
3
answers
2k
views
What is Miracle Mineral Solution (MMS)?
Promoted by Jim Humble, Miracle Mineral Solution is claimed to cure a wide range of ailments. But what exactly is it, chemically speaking?
20
votes
2
answers
7k
views
Does smoking cigarettes cause lung cancer?
My friend is a smoker. His dad is a doctor. Both claim there is no firm proof that cigarettes cause lung cancer. This article makes a similar claim -- in particular that smoking cigarettes is not ...
19
votes
2
answers
16k
views
Is drinking hot water more beneficial during hot weather?
I heard from various sources since I was growing up that during hot weather one should drink warm or hot drinks and during cold weather one should rather drink cold drinks, but a quick google found no ...
19
votes
1
answer
7k
views
Is the ninth wave the largest?
This famous painting by Ivan Aivazovsky is called The Ninth Wave:
Wikipedia tells about the origin of the name:
Both English and Russian titles refer to the nautical tradition that waves grow ...
17
votes
1
answer
2k
views
Does a dairy-free diet reduce autistic behaviour?
PETA (People for Ethical Treatment of Animals) suggest the existence of a link between milk consumption and autism spectrum disorder (ASD) (see here on the PETA website).
More research is needed, ...
17
votes
1
answer
6k
views
Does changing your pH balance change your mood?
I have read that eating more alkaline foods and changing your pH balance reduces stress and anxiety.
For example, see Eat a Lemon, Feel Less Stressed:
Stephanie McClellan, MD, and Beth Hamilton, ...
15
votes
1
answer
2k
views
Do Compact Fluorescent Lamps (CFL) create dirty electricity which can impact health?
According to this CBC Be Green report:
'CFLs [Compact Fluorescent Lamps] produce what is called "dirty electricity".'
In an environment with dirty electricity, diabetics blood sugar will climb. It ...
13
votes
2
answers
3k
views
Does (diet) soda cause tooth decay?
I've often heard and read that soda causes tooth decay; most often the reason involves the sugars present in the soda being converted into acids which wear out the enamel.
I'm curious if there is ...
12
votes
1
answer
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 ...
12
votes
2
answers
2k
views
Are more babies born during full moons?
I've heard from multiple sources -- a simple google search will confirm -- that significantly more babies are born during full moon periods.
Are there any studies supporting or disputing the ...
0
votes
3
answers
2k
views
Is SARS-CoV-2 a biological weapon released by the US military?
SARS-CoV-2 is a novel coronavirus that is the cause of the disease COVID-19.
Some people have questioned the origins of the virus.
RadioFreeEurope reported on March 5, 2020 on a claim by an Iranian ...
179
votes
4
answers
27k
views
Does a webpage with a black background save energy?
Blackle is a search engine that claims to save energy because it uses a black background. Is there any evidence to back up their claim that a website using a black background will save energy, and if ...
113
votes
4
answers
39k
views
Is a woman who dresses sexually suggestively more likely to get raped?
There was a recent controversy about a police officer who is reported to have suggested:
Women can avoid sexual assault by not dressing like a “slut.”
If we leave out the derogatory word and focus ...
111
votes
2
answers
29k
views
Do expensive, "premium" speaker cables make a difference?
I was tempted to go drop $8500 on these awesome speaker cables so I could be like Whiplash (see customer pictures), but I'm curious, if I use them for my audio system, will they actually make a ...
103
votes
6
answers
40k
views
Does America not lead the world in mass shootings?
According to an OpEd in the NY Post by John Lott and Michael Weisser that cites a report by the Crime Prevention Research Center, America doesn't lead the world in mass shootings.
"Of the 86 ...
97
votes
3
answers
20k
views
Are there any perceptible differences between the sound quality of 192 versus 320 kbps MP3 files?
I have friends that are very picky when it comes to MP3 bitrate, and will always look for the 320 kbps version of a file. However, I have never noticed any differences, they sound the same to me. I ...
77
votes
5
answers
17k
views
Were people shorter in the middle ages?
In many castles or museums you'll find medieval armor, belonging to a knight. Those are often very small compared to the average human nowadays. I've heard this explained multiple times as being due ...
74
votes
6
answers
8k
views
Did the National Rifle Association (NRA) block research into statistics related to gun control?
About 30,000 Americans die every year from gun-related deaths (a number likely to exceed those dying from automobile-related accidents very soon if trends continue). About 1 in 3 of those are ...
71
votes
3
answers
20k
views
Did Moses live?
Moses is, arguably, the most significant prophet in Judaism and is credited with leading the enslaved Jewish population out of Egypt and into the promised land.
Aside from the Torah, are there any ...
65
votes
1
answer
23k
views
Did Donald Trump say republicans are the dumbest voters in the country?
I saw this image going around Twitter lately:
If I were to run, I'd run as a republican. They're the dumbest group of voters in the country. They love anything on FOX News. I could lie and ...
59
votes
3
answers
12k
views
Was there 100% turnout and 100% Obama support in Cuyahoga County in 2012 Presidential Election?
The Tea Party Facebook page posted this Monday night.
Is it accurate that:
There are exactly 900135 registered voters in Cuyahoga County Ohio for the 2012 predidental election
There were 900135 ...
54
votes
1
answer
11k
views
Did COBOL have 250 billion lines of code and 1 million programmers, as late as 2009?
In 2009 COBOL turned 50 years old. It got some publicity with claims, which I find rather hard to believe:
"Cobol hits 50 and keeps counting" article in the Guardian.
According to David ...
52
votes
3
answers
6k
views
Do rich companies pay little/no corporate income taxes in the United States?
It's a fairly common "fact" that if you make enough money, that you can hire lawyers who can hide all of your money, so that you end up paying little to no tax. Is this true?
51
votes
3
answers
142k
views
Is it unsafe to swim during a lightning storm?
I was cautioned by mom that I mustn't go swimming when there is lightning; the theory is that it is more likely for lightning to hit you when you are in the water.
Is this fear justified?
49
votes
2
answers
7k
views
Is there a "red shift" in U.S. elections — a significant shift to republican votes between polls and voting? Does this imply fraud?
This questions on Politics SE introduced me to the concept of the red shift. In short, the claim of a red shift boils down to a statistically significant difference between outcome of final exit polls ...
49
votes
1
answer
4k
views
Does decriminalizing drug use lead to less drug use?
While listening to the RSA talk Addiction: What to Do When Everything Else has Failed I'm reminded of an article in the Times from 2009 about Portugal's decriminalization of drugs.
The Cato paper ...
47
votes
4
answers
7k
views
Is it possible to reliably examine if a girl is a virgin?
Amnesty International wants the Egyptian military to stop the practice of rounding up all the female protesters to investigate if their hymens are unbroken as a virginity check:
An Amnesty ...
45
votes
2
answers
22k
views
Does honey ever go bad?
I have read that honey never spoils. Is this claim true? If so, what is it about honey that can cause it to remain edible for thousands of years?
45
votes
2
answers
5k
views
Is Genetically Modified food safe to consume?
What's the truth surrounding the popular idea that genetically modified food is dangerous to consume?
There's entire websites and institutions dedicated to popularizing the alleged dangers of eating ...
44
votes
1
answer
49k
views
Do dolphins have homosexual "blowhole" sex?
In his comedy act, Ricky Gervais shows examples of homosexuality in nature, all of them from the book "Biological Exuberance, animal homosexuality and natural diversity" by Bruce Bagemihl. One of the ...
44
votes
6
answers
6k
views
Are different prices in wines justified by taste?
According to the BBC,
Wine costing less than £5 a bottle can have the same effect on the palate as those priced up to six times as much, a psychological taste challenge suggests.
My skeptic sense ...
43
votes
3
answers
4k
views
Can microwaved water explode?
Some time ago I read a warning that microwaved water can "explode" under certain circumstances. There was one case as an example where someone heated water in the microwave, took it out and then it "...
43
votes
2
answers
4k
views
Is IQ hereditary? If so, to what degree?
The movie Idiocracy suggests that intelligence is hereditary; this idea has also been perpetrated by German author Thilo Sarrazin, who claims that due to the higher fertility of Islamic immigrants and ...
42
votes
2
answers
5k
views
Is it dangerous to have several vaccines at the same time?
As a parent, I often hear people say that they think it's bad for their children to have several vaccines in one go. Some parents pay for some vaccines to be given separately, and I wondered if there ...
41
votes
2
answers
4k
views
Is stretching beneficial after exercise?
A quick internet search on stretching reveals that, if physiologists were a bit more belligerent, the question of whether or not to stretch after exercise is something actual wars could be fought over....
40
votes
3
answers
3k
views
Is monosodium glutamate (MSG) bad for you?
Anecdotal evidence blames the consumption of MSG for several symptoms such as headache, nausea, weakness, heart palpitations etc. Most migraine literature cites MSG as a potential trigger (example) ...
39
votes
3
answers
5k
views
Are 1 in 5 college women raped?
In this article, it is claimed that 1 in 5 college women are raped (at least around the 2013-2014 time period). I have heard the claim repeated from other sources (such as the BBC, which was ...
39
votes
3
answers
27k
views
Is this map of Israel-occupied territory accurate?
There's an image going around Facebook, showing Israel's occupied territory over the last few decades:
I have seen at least two people (both Christian Zionists) criticize this map as "very biased" ...
37
votes
1
answer
15k
views
Does planting during different lunar phases affect growth?
I have recently had some potatoes that were said to benefit from being planted at an advantageous time because of the lunar cycle.
I had never heard of such a thing, but apparently "it is quite ...
37
votes
3
answers
4k
views
Is water fluoridation harmful?
There’s a controversy going around whether the benefits of water fluoridation outweigh the potential harms.
What is the evidence for the harm this may cause and what evidence supports the health ...
35
votes
2
answers
263k
views
How many almonds does it take to get cyanide poisoning?
I was at lunch today and the conversation turned to almonds and their cyanide content. One co-worker said almonds contain a lot of cyancide and the number of almonds that can kill you surprisingly low....
35
votes
3
answers
14k
views
Do Russians drink as much alcohol as their stereotype suggests?
It's a widely held stereotype that Russians drink a lot of alcohol.
Is there any research supporting or refuting this belief?
Possible metrics I can think of (though you're welcome to add more) can ...
35
votes
3
answers
8k
views
Are any notable biblical characters historical figures?
Are any of the *main** characters who appear in the Bible that are real historical people, their existence supported by multiple sources.
In addition do their actions in the Bible support or ...
34
votes
4
answers
23k
views
Was the virus which causes COVID-19 made in a Chinese lab?
This idea was discussed in the Washington Times
(no longer available at the original site: on archive.org.
The article discusses whether SARS-CoV-2 (the virus which causes COVID-19) could have been ...
33
votes
1
answer
6k
views
Do nice guys finish last?
xkcd #513 Friends by Randall Munroe
You might think this is something men parrot to justify their lack of luck with the ladies, but ask any androphile and we'll tell you there's just something about &...
33
votes
5
answers
6k
views
Were the Wright Brothers the first to fly?
I'd say it's a commonly held belief that the Wright brothers were the first to achieve controlled, powered and sustained heavier-than air human flight, as it can be found in most history books. ...