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/sci/ Science & Math

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Most viewed threads in this category

12 more posts in this thread. [Missing image file: image.jpg]
www.stanfordbinet.net Is that a reliable IQ test? I'm a little skeptical of my results. pic related
60 more posts in this thread. [Missing image file: 1383514558343.jpg]
Why are the smartest people (very high IQ) usually apathetic and/or depressed? Is there a negative correlation between high IQ and happiness?
5 more posts in this thread. [Missing image file: image.jpg]
Let's say a hollow object is orbiting around the Earth. It has a solid object inside of it, fixed to one axis of the hollow object and is freely rotatable on that axis. If that solid object began to rotate, would it cause the hollow object(or the entire mechanism) to go off-course of orbit? Given negligible amount of friction from the rotation.

Scientists Mathematically Prove God's Existence

30 more posts in this thread. [Missing image file: Bosch_Last Judgement.jpg]
What now, atheists??? http://www.spiegel.de/international/germany/scientists-use-computer-to-mathematically-prove-goedel-god-theorem-a-928668.html God's existence is a mathematical certainty.
3 more posts in this thread. [Missing image file: 1383267486218.gif]
What's the scientific reason we can't hear our own voice? I mean how you think you sound one way, hear a recording, and realize your voice is fucking retarded. The same thing kind of occurs with film too, it's bizarre to watch yourself.
42 more posts in this thread. [Missing image file: consider.jpg]
At what stage of pregnancy does a human fetus in the womb transform from a "clump of cells" to a person with the same rights you and I have from a biological standpoint? Or does coming out of the mother's vagina or via Caesarean section somehow grant the fetus personhood? I consider myself agnostic and libertarian leaning but I find myself opposed to abortion. I'm not swayed by "my body my choice", "aborted babies are more likely to become criminals anyways", or "it makes Jesus cry" arguments. So I leave it up to science.

stupid question

14 more posts in this thread. [Missing image file: KILL_THEM_ALL.jpg]
Are ALL chemical reactions actually redox equations? Serious question. Don't all chemical reactions have a change in electron sharing or number?
3 more posts in this thread. [Missing image file: boiling-water-evaporates-instantly-(...).jpg]
Did you ever wonder why Canadians always boil their water before they throw it into the air to freeze? Are they just stupid? Scientists (though not Anglo-American pseudo-scientists) have known since Aristotle's time that hot water freezes faster than cold. Now, at last, the Chinese have come to explain why, it has to do with the relative "stiffness" and "softness" of OH bonds within the molecule. I don't even understand it myself. Mind = blown Google Xi Zhang, Yongli Huang, Zengsheng Ma, Chang Q Sun for the paper on arxiv, 4chan won't let me post it.


15 more posts in this thread. [Missing image file: 6a00d83452719d69e2017c383157b7970b-800wi.jpg]
After reading some work from Ridley and Dawkins I started to think about altruism, and though both men claim to have a solution (survival of the genes) for altruism between families, it doesn't quite explain altruism between non-related organisms, which is visible e.g. on beecolonies. People like Hobbes used to resolve this by some skyhook, but I was wondering if there isn't a logical explanation for this. Any help/literature/ideas are appreciated.
2 more posts in this thread. [Missing image file: Jakethedog.png]
http://www.proofwiki.org/wiki/Subgroup_of_Cyclic_Group_is_Cyclic We know that if a group is cyclic, then its supgroups are also cyclic. We also know that the converse of this is not true - if all of the subgroups of a group are cyclic, then the group is cyclic. A counter example for this would be the Klein Four Group (V4). Note that cyclic groups can be finite or infinite, the counter example provided is a finite. Can anyone think of a counter example for the infinite case? Perhaps, the converse is true for infinite cyclic groups? tl;dr: If a group is cyclic, then its subgroups are cyclic. Is the converse of this true for infinite groups? (It isn't true for finite groups.)

Beyond the Threshold Hypothesis

5 more posts in this thread. [Missing image file: about_erdos.jpg]
> Conventional wisdom holds that above a certain threshold of cognitive ability (for example, an ability level in the 90th or 95th percentile), differences in cognitive abilities no longer matter; that is, for all who have cognitive abilities beyond that threshold, individual differences in occupational and creative achievements will be a function of hard work, personality, and opportunity. For example, Malcolm Gladwell writes in his popular book, Outliers: The Story of Success (2008, p. 79), ‘‘The relationship between success and IQ works only up to a point. Once someone has an IQ of somewhere around 120, having additional IQ points doesn’t seem to translate into any measur- able real-world advantage.’’ While this threshold hypothesis has intuitive appeal, the literature in talent development and other areas does not support it. In this article, we will present recent findings that show that even in the top 1% of cognitive ability, higher levels of cognitive abilities do make a person more likely to make outstanding achievements. How does it feel to know that no matter how hard you work, you will never be able to match those born superior to you?
1 more posts in this thread. [Missing image file: 1377552548704.jpg]
Hey /sci/. I got a favor to ask. Where can I get the solution manual to the Baby Rudin? Is there an official one because I always find ones written by other people.
4 more posts in this thread. [Missing image file: 22_24_a.jpg]
/sci/ pls help me identify this sugar. I know it's L-[something], but i can't figure it out precisely because I'm not aware of the significance of the methyl end without the hydroxyl group at the bottom in the nomenclature. pls /sci/, pls
0 more posts in this thread. [Missing image file: ahnul.jpg]
comment section is open. have fun. http://hopejahrensurecanwrite.com/2013/11/06/why-i-keep-writing-fcking-instead-of-you-know-what/
7 more posts in this thread. [Missing image file: 1.jpg]
organic chemistry or biochemistry people: can you help me understand this reaction sequence. I know this is a enzyme mediated reaction involving a tyrosinyl radical and oxygen, but how exactly would I go about drawing arrows? This is not homework, this me wanting to know more than just what was brushed over in my course.
1 more posts in this thread. [Missing image file: Newhopecalgary-GodAtWorkAccounting528.jpg]
I have an Accounting exam tomorrow at noon. I feel pretty good with almost everything except for % of Accounts Recievable, calculating Interest Revenue, and interest maturity. If you don't have anything else to do for an hour or so, would you be willing to help me refresh a little?
5 more posts in this thread. [Missing image file: pol in gif form.gif]
>>>/pol/22653215 >/pol/tards arguing over evolution and gravity Oh god, make it stop.
7 more posts in this thread. [Missing image file: thorium.jpg]
What does /sci/ think of thorium?
23 more posts in this thread. [Missing image file: crab crap.jpg]
If cancer cells are immortal, why don't we just become huge walking tumors? After all, the point of living is to keep being alive until the end of times to preserve the species. >Search cancer in google images >Results only show white people >Search malnutrition in google images >Results only show niggers Is cancer a racist disease?
8 more posts in this thread. [Missing image file: 1382487317024.jpg]
>muh spectroscopy How have chemists deluded themselves into thinking they are superior?

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