I work with identical 4 year old twins - one has severe autism, the other is normally developing. How does this fit into the whole nature/ nurture debate?

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• I work with identical 4 year old twins - one has severe autism, the other is normally developing. How does this fit into the whole nature/ nurture debate?
• Does depression have common stages, which are recognizable through majority of patients? If so what would these be?
• Can Someone Explain This Please? (Slight NSFW)
• Is PV = NkT an emergent property?
• When you "get smarter", what actually happens in your brain? Do your neurons make more or more efficient connections? Is there a way to manipulate said growth to emulate the acquisition of knowledge?
• What exactly is the benefit from a polyphasic sleep schedule?
• It is said that human brains don't finish development until around age 25. When do dog's brains finish developing?
• What is smallest object with the most mass?
• What would happen if my friend (Russian) and his wife (French) spoke to their newborn only in their own language. Would the child learn both languages simultaneously?
• Are there any molecules that are connected mechanically? (like two links in a chain)
• How do materials like fabric retain scent from being exposed to smoke? Which retain scents longer, skin or clothing?
• What is the neurological description of determination and will? Why is it that some are more focused/determined than others?
• Is it possible to conceive a baby with cancer?
• What changes in someone's brain when they become a hoarder?
• What causes plumes of smoke from a large explosion to appear to hit a ceiling and spread out flat instead of continue upwards?
• Have diseases ever crossed the species barrier between plants and animals?
• [Psychology] What's the science of obsession? Questions below
• How do astronomers account for the mass from dark matter when calculating the mass of a star/planet?
• Do airplanes and helicopters fly better when the air's humidity is higher?
• How does the brain's internal clock work?
• Geologists/Earth Scientists: Will all the current land on earth eventually be "refreshed" via subduction?

I work with identical 4 year old twins - one has severe autism, the other is normally developing. How does this fit into the whole nature/ nurture debate? Posted: 05 Dec 2015 08:15 AM PST submitted by purplepricklypear [link] [657 comments]

Does depression have common stages, which are recognizable through majority of patients? If so what would these be? Posted: 05 Dec 2015 08:07 AM PST Hello, people of AskScience. This question was on my mind and you find a lot blog/articles about this, but I wanted someone with scientific background to give me an answer. Thank you either way. submitted by Person995 [link] [58 comments]

Can Someone Explain This Please? (Slight NSFW) Posted: 05 Dec 2015 11:56 PM PST Saw an image similar to this on the front page of r/wtf and would like to know what's going on exactly. http://imgur.com/byhef7m In detail or without :) Cheers submitted by Jalaliozz128 [link] [5 comments]

Is PV = NkT an emergent property? Posted: 06 Dec 2015 03:10 AM PST I was reading up on emergent properties in biology, and it seems to me that some things in physics are of similar origin. The typical example is that you can't predict the behavior of the oceans from a single water molecule; doesn't the ideal gas law follow a similar line of reasoning? One would never derive the ideal gas law from a single molecule itself, only when looking at a large system of them. I was thinking if this was an emergent property, what other emergent properties are there in Physics? And moreover, have there been any significant papers written about simulations of weak emergent properties? submitted by LaziestManAlive [link] [1 comment]

When you "get smarter", what actually happens in your brain? Do your neurons make more or more efficient connections? Is there a way to manipulate said growth to emulate the acquisition of knowledge? Posted: 05 Dec 2015 07:26 PM PST submitted by Yukabaceran [link] [3 comments]

What exactly is the benefit from a polyphasic sleep schedule? Posted: 05 Dec 2015 09:48 PM PST So my friend is interested in changing her sleep schedule to a polyphasic one. I just don't understand how that is healthy. What does having that kind of schedule do to the body and how can it be beneficial/harmful? submitted by bigjeskid [link] [5 comments]

It is said that human brains don't finish development until around age 25. When do dog's brains finish developing? Posted: 05 Dec 2015 07:35 PM PST I labelled this as neuroscience, but it also clearly falls into animal science which I didn't see a category for. submitted by SoCal_SUCKS [link] [3 comments]

What is smallest object with the most mass? Posted: 05 Dec 2015 08:16 PM PST In the universe, as well as on Earth? submitted by aRayes [link] [10 comments]

What would happen if my friend (Russian) and his wife (French) spoke to their newborn only in their own language. Would the child learn both languages simultaneously? Posted: 05 Dec 2015 08:44 PM PST submitted by whotookparf [link] [8 comments]

Are there any molecules that are connected mechanically? (like two links in a chain) Posted: 05 Dec 2015 05:21 PM PST If so, do these have any special properties? Can they be used to create nano-scale machines? submitted by Artillect [link] [5 comments]

How do materials like fabric retain scent from being exposed to smoke? Which retain scents longer, skin or clothing? Posted: 05 Dec 2015 01:39 PM PST I know cigarette smoke tends to stick around for a while. Another question, why do cigarettes tend to stick around longer on clothing / skin versus other scents like vapor or candles? submitted by Paratix [link] [3 comments]

What is the neurological description of determination and will? Why is it that some are more focused/determined than others? Posted: 05 Dec 2015 01:18 PM PST submitted by THamid95 [link] [2 comments]

Is it possible to conceive a baby with cancer? Posted: 05 Dec 2015 10:23 AM PST If either the man or the woman has cancer in his testicles/her ovary, is it possible to conceive a baby that has cancer from the very beginning? submitted by ValdemarSt [link] [13 comments]

What changes in someone's brain when they become a hoarder? Posted: 05 Dec 2015 06:10 AM PST Or what differences do they have from a normal person's brain, if hoarding is something innate? Also, are there any parallels between the brain/personality of a hoarder and other disorders such as alcoholism, drug abuse, addictions, violence etc? Thank you. submitted by TheSneakyTruth [link] [6 comments]

What causes plumes of smoke from a large explosion to appear to hit a ceiling and spread out flat instead of continue upwards? Posted: 05 Dec 2015 04:27 PM PST As seen in the Etna volcanic eruption https://i.imgur.com/1g3JslE.jpg submitted by zachismyname89 [link] [4 comments]

Have diseases ever crossed the species barrier between plants and animals? Posted: 05 Dec 2015 08:27 AM PST submitted by QueuedeSpool [link] [13 comments]

[Psychology] What's the science of obsession? Questions below Posted: 05 Dec 2015 07:49 PM PST What's the clinical definition? What officially qualifies as obsession? How does it develops? How/if does it differ from addiction? What's the best way to treat it? Thank you for the responses! submitted by blakester731 [link] [comment]

How do astronomers account for the mass from dark matter when calculating the mass of a star/planet? Posted: 05 Dec 2015 09:06 AM PST From what I understand a common way of estimating a star/planet's mass is to observe is gravitational effects on other objects around it. How do astronomers distinguish this effect between the object being observed, and the gravitational effects from dark matter? submitted by dododante [link] [16 comments]

Do airplanes and helicopters fly better when the air's humidity is higher? Posted: 05 Dec 2015 11:16 AM PST submitted by Sylvester_Scott [link] [2 comments]

How does the brain's internal clock work? Posted: 05 Dec 2015 11:34 AM PST I used to wake up everyday at 7:11 just before my 7:15 alarm. It was such a better feeling than waking up to the sound of a bomb about to go off. But I always wondered why I would always wake up at that same time. And why now I don't have that same internal clock? The main difference is my sleep schedule is completely random now (11pm-3am I would say) vs my past (10:30pm - 12am) submitted by JollyGarcia [link] [4 comments]

Geologists/Earth Scientists: Will all the current land on earth eventually be "refreshed" via subduction? Posted: 05 Dec 2015 08:03 AM PST I understand that we are talking about geologic time here, a long long time. The heart of my question is a wondering whether the current surface of the earth, on which every mountain, river, and of course human-built structure stands, will one day be pulled under the earth via subduction, buried under miles of rock, and eventually melted. Will there be new land created via volcano, etc., which eventually cools, and is covered in sediment, and on which new life eventually grows? I'm assuming that human life on probably earth will end in the near future, in geologic time terms. So there will be no one to alter the earth in any way, build permanent structures, etc. I'm just curious whether the current landscape, including everything human-built, will eventually disappear. Not just buried, but eventually melted into molten rock and all traces of it gone forever. I have entirely separate questions related to this, but they're not geologic in nature, but rather more life science/evolution, so I'll refrain from asking them here. submitted by MathFlunkie [link] [7 comments]

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