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7
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0answers
168 views

Do the mother's genes almost exclusively determine the sons' intelligence? [closed]

According to this paper: Intelligence and the X chromosome[1] by Gillian Turner, published by The Lancet (a highly regarded medical journal) in 1996, the X chromosome is dominantly responsible for ...
3
votes
0answers
201 views

Did US intelligence community ever claim that Iraq had WMDs prior to 2003 inavsion?

The "common knowledge" is that US went to war with Iraq in 2003 based on "intelligence reports" claiming that Iraq had active Weapons of Mass Destruction (WMDs) programs. On the other hand, some ...
2
votes
1answer
274 views

Have Bobby Fischer, Einstein, Hawking and Kasparov all had their IQs tested?

I commonly find on the internet claims that these men had/have the following IQs: Bobby Fischer: 180–190 Einstein: 160 Hawking: 160 Garry Kasparov: 190 I'm sure most have heard somewhere that ...
13
votes
1answer
1k views

Do firstborns have a higher IQ?

I've seen number of articles telling about the fact that firstborns are more likely to have higher IQ than their sibilings. Sources: Research Finds Firstborns Gain the Higher I.Q., Study: Older ...
4
votes
3answers
629 views

Do people's IQs change?

In a 1968 study of the Pygmalion Effect: Rosenthal and Jacobson gave an intelligence test to all of the students at an elementary school at the beginning of the school year. Then, they randomly ...
5
votes
0answers
113 views

Do intelligent people tend to stay up later? [duplicate]

I heard that people with high IQs stay up late. I found this article which in turn refers to this study: S. Kanazawa, K. Perina, Why night owls are more intelligent, Personality and Individual ...
5
votes
1answer
329 views

Was it illegal to discriminate on the basis of intelligence in the United States?

Paul Graham wrote the following in March 2005: One advantage startups have over established companies is that there are no discrimination laws about starting businesses. For example, I would ...
4
votes
0answers
197 views

Is there a negative correlation between intelligence and being religious? [duplicate]

A study The relation between intelligence and religiosity: a meta-analysis and some proposed explanations indicates that there is a relationship, with an abstract: A meta-analysis of 63 studies ...
3
votes
0answers
4k views

Is 80% of childs intelligance acquired from mother? [closed]

Several articles on internet claim that 80% of child's intelligence is acquired from mother. however not providing any scientific publications. Is it really true? source: ...
12
votes
2answers
2k views

Is reaction time correlated with intelligence?

The article People Getting Dumber? Human Intelligence Has Declined Since Victorian Era, Research Suggests says, As for Dr. te Nijenhuis and colleagues, they analyzed the results of 14 intelligence ...
3
votes
1answer
241 views

Are we getting smarter? [closed]

I've asked a similar question some time ago (Is global IQ dropping over time?) and people mentioned the Flynn effect. But after watching this video ...
-5
votes
1answer
164 views

Did this study on British pupil intelligence include all ethnic groups?

http://en.wikipedia.org/wiki/British_Chinese#Education The proportion of British Chinese achieving 5 or more good GCSEs stood at 70%, where it remained the highest out of all ethnic groups in the ...
1
vote
0answers
74 views

Do Ashkenazi Jews have the highest IQ in the world? [duplicate]

It is often claimed that Ashkenazi Jews in the U.S. and the UK are the smartest ethnic group in the world: http://www.sciencedirect.com/science/article/pii/S016028960600033X ...
10
votes
1answer
630 views

How much traces lasting a million years would human civilization leave after perishing?

While there is a nice webcomic with a similar theme, I'm talking about a hopefully more reliable claim: The Science of Discworld alternates between chapters written by fantasy author Terry Pratchett ...
-2
votes
1answer
235 views

If something happens “on the internet”, in which country does it happen? [closed]

German Minister of the Interior Hans-Peter Friedrich declared, he is investigating whether the US PRISM program has performed law-breaking action "on German ground". Therefore, I'd like to raise the ...
11
votes
0answers
1k views

Is spelling (orthography) correlated with adult intelligence?

I been told that spelling ability (good orthography) is correlated with intelligence (which is a nice way to say: if you are bad with orthography, you are stupid). So far I have been unable to find a ...
0
votes
0answers
67 views

Does the intelligence of people is going down? [duplicate]

Somewhat popular idea in media (say movie "Idiocracy") and general perception of older generation is that people and society are getting dumber. It seems that even real studies show that "stupid" ...
10
votes
1answer
3k views

Does North Korea have the third highest IQ?

In the book IQ and the wealth of nations, the authors Lynn & Vanhanen published a list of measured average IQs for 81 countries (Table 6.1, base-lined on the UK), and another longer list (Table ...
6
votes
3answers
555 views

Can CT scans performed on a child's head lower his or her intelligence?

The Daily Mail reports that X-rays and CT scans performed on a child's head could lower their IQ: The study is the first to suggest that medical X-rays to the head could harm the development of ...
18
votes
1answer
4k views

Does Lumosity increase your intelligence?

Lumosity is a popular website that claims to help you become a more intellectually capable individual. Harness your brain's neuroplasticity and train your way to a brighter life" Is it truly ...
6
votes
0answers
575 views

Does juggling increase gray matter/size of the occipito-temporal cortex?

I have been led to believe by expert testimonies that juggling may lead to an increase in brain depth and size. At the moment I am not able to draw on much evidence. If this is a myth, I would ...
1
vote
0answers
358 views

Does the “Flynn Effect” in a way discredit the notion of IQ tests?

You probably heard before of the "Flynn Effect", the phenomenon first described by James Flynn which states that every new generation has an average IQ higher than the one before and as a consequence, ...
3
votes
2answers
2k views

Are mixed-blood children smarter than their non mixed-blood parents?

I have heard and read on the Internet the disputed claim that mixed blood* children are smarter than their (non-mixed blood) parents. The general idea of "hybrid vigour" is known as heterosis and ...
17
votes
1answer
5k views

Are intelligent people more nocturnal than people not considered intelligent?

Some sites claim that people with higher intelligence tend to go to bed later. For example: People with higher IQs are more apt to be nocturnal night-owls. Those with lower IQs tend to restrict ...
15
votes
4answers
3k views

Do non-educated people tend more to the right/conservative political wing?

This is a common prejudice in my social environment, but is it true? Are educated people more likely to vote for a social/left wing party? Examples: [1]; [2].
2
votes
1answer
454 views

Are women weak in religion and reasoning as compared to men? [duplicate]

When Prophet Muhammad compared men and women as follows in one of the hadith, which says women are weaker in reason and religious. While it is difficult to understand deficiency in religion I would ...
13
votes
1answer
2k views

Does Chess ELO correlate with IQ

Does chess ELO rating of players (who have trained/played approximately the same amount of time) correlate with IQ? The claim is 'IQ and chess ELO ratings don't correlate', a view widespread in ...
22
votes
3answers
4k views

Are men smarter than women?

I recently stumbled across the following article: Sorry, men ARE more brainy than women (and more stupid too!) It's a simple scientific fact, says one of Britain's top dons, in which the author ...
17
votes
1answer
3k views

Is sense of humor somehow related to intelligence?

I've seen a couple of documentaries where they insinuate that sense of humor and intelligence could be related. I couldn't find the documentaries on the web, but the following are some studies ...
10
votes
1answer
916 views

Is intelligence declining due to the lack of selection pressure?

I have read lately that human intelligence has already peaked and that it will slowly decline over time because humans are no longer naturally selected for intelligence (Darwin award winners aside). ...
11
votes
1answer
1k views

Does Modafinil make you smarter?

Modafinil (wiki link) is a drug approved in many countries for specific medical conditions such as narcolepsy. We don't, however, have a good idea how it works. But is is one of several drugs ...
17
votes
2answers
2k views

Are Ashkenazi Jews smarter?

I just received an email entitled "Why are Jews So Smart". You can read an article here. I also found a similar article in New York Magazine. Did Jewish intelligence evolve in tandem with Jewish ...
23
votes
1answer
11k views

Are there more people with genius IQs living in China than there are people total in the U.S.?

This claim was made popular by being said in the movie The Social Network. It exactly says: Did you know there are more people with genius IQs living in China than there are people of any kind ...
17
votes
1answer
1k views

Is there a correlation between intelligence and wearing spectacles?

Many people I know consider bespectacled individuals to be smarter than the average normal sighted person. Is there any scientific basis to this belief?
13
votes
1answer
625 views

Are STEM (science tech engineering math) suffering a shortage of people in the US?

I have been always hearing of not enough people in the science and technology field in the US. The government is always coming up with initiatives to increase the number of people. From my experience ...
11
votes
0answers
2k views

Is hair colour correlated with intelligence?

..for some commonly agreed-upon, objective, quantitative, non-discriminatory intelligence criterion. Before you rush to close this as a duplicate, yes, I am aware of this other question that treats ...
17
votes
3answers
5k views

Is global IQ dropping over time?

Global IQ: 1950–2050 Essentially the idea is that while smart people are getting wealthier, their birth-rate tends to drop. On the other hand poor countries, which are generally populated by less ...
12
votes
1answer
4k views

Does playing popular video games improve a child's IQ?

This article claims a study shows that the cognitive abilities of 60-77 year olds can be helped by playing two weeks of World of Warcraft. This article quotes a navy researcher as saying adults ...
12
votes
1answer
869 views

Was Einstein's brain physiologically different?

Einstein's brain has been the subject of much debate and speculation, because of his notable and exceptional contributions to our understanding of the universe. The claim exists that his brain may ...
12
votes
2answers
2k views

Does consuming fluoridated water reduce IQ?

Related: Is fluoride in water an industry waste product? Is water fluoridation harmful? Dr. Mercola is at it again with a new article: 25 Studies Prove This Reduces Your IQ. The Fluoride ...
20
votes
2answers
4k views

Do men show greater variance in the distribution of their IQ than women?

It is frequently claimed that men show greater variance in the distribution of their general intelligence factor (g) ("IQ") than women. Is that claim accepted by the scientific community?
4
votes
1answer
785 views

Did Asian countries top an IQ survey of 50 countries?

This article in the China Daily makes the claim that several Asian countries topped a survey of intelligence: Asians dominated the survey compiled by Austrian researchers who drew on a variety of ...
10
votes
1answer
1k views

Does LSD provide a creativity boost?

The claim is of course widely known: LSD "broadens your thinking" and makes you "more creative". The last incarnation was Steve Jobs' biography taking a swipe at Bill Gates: “He’d be a broader ...
21
votes
1answer
777 views

If children use calculators in primary school, is their learning impacted?

Others are against using calculator in lower level math teaching, saying that it makes children not to learn their basic facts, prevents students from discovering and understanding underlying ...
36
votes
1answer
2k views

Does watching TV make you stupid?

I haven't watched TV since 1969. I worked in it for decades, and knew enough not to watch it. It makes you stupid, and my colleagues in the networks agree! Some of them would point out what a ...
23
votes
1answer
2k views

Are non-religious people smarter than religious people?

There are quite a few studies that confirm this, the most recent one: http://onefuriousllama.com/2011/09/11/another-study-links-intelligence-to-lack-of-religiosity/ Are non-religious people smarter ...
24
votes
1answer
1k views

Were our recent ancestors as intelligent as we are?

A good friend of mine made the following claim: If we would have a time machine and use it to gather newborns from different eras of human history and would put them in normal and nurturing ...
13
votes
1answer
2k views

Intelligence and number of children?

This wikipedia article on fertility and intelligence (citation missing from wiki article needed for proving this claim) indicates that intelligent people are less fertile. Is this correlated to the ...
17
votes
2answers
1k views

Does your choice of browser relate to your IQ

SOURCE PC World reports that a "psychometric consulting" firm called AptiQuant gave free online IQ tests to 100,000 people, and then plotted the scores against the browser on which the tests ...
10
votes
1answer
7k views

Are big ears a sign of intelligence?

Some people claim that ear size and shape is related to intelligence. For example, this writer. Has any real research been done on this?