Can new pimples and zits form on the body/face of someone after they have been declared clinically dead? |
- Can new pimples and zits form on the body/face of someone after they have been declared clinically dead?
- Do neutrons bound to stable atoms decay the same way protons do over long timescales?
- Does tongue surface area affect taste sensitivity?
- If the Earth was shrunken down to the size of a marble but still had the same mass, would it form a black hole? How much mass would a marble need to have to form a black hole?
- Why don't waterfalls get worn down to gradual inclines?
- Could I make the case that any sequence of numbers i choose at random, no matter how long, like 53948714, can be found somewhere along the digits of pi?
- If the Planck Length is the smallest possible measurement of length, then is it also the shorted distance that can be traveled?
- Why does running on an inclined treadmill feel like running up a hill (needs more energy) even though you're not gaining elevation (potential energy)?
- Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology
- What is the Pauli Exclusion Principle?
- What restricts temperatures from going above Planck's temperature(1.416785×10^32K)?
- If a proton consists of numerous quark/antiquark pairs and gluons, why is its mass only 80x larger than the net 2 up quarks and 1 down quark?
- With MRI Magnets being ridiculously strong, Why don't they affect compasses, systems, animals, etc ?
- If forces are mediated by particles, how does a mass deficit arise in bound systems?
- Expansion velocity of a nuclear fireball?
- Why are electromagnetic waves represented by their frequency?
- What are the arguments for and against Chronic Fatigue?
- How do they make sure when building a tall skyscraper, it remains straight ?
- When free falling, is it better to hold on to something or not?
- Why is Homo Florensiensis considered a new species of humans?
| Posted: 24 Jan 2017 10:08 PM PST Random shower thought. I'm actually curious, since the bacteria and white blood cells on and in your body wouldn't die out immediately after death. [link] [comments]  |
| Do neutrons bound to stable atoms decay the same way protons do over long timescales? Posted: 25 Jan 2017 02:17 AM PST As in do the protons in an atom have to decay first untill the atom becomes an unstable isotope, making the neutrons decay into protons, and then the newly formed protons decay again. Or can neutrons decay into elementary particles directly in a similar way protons can? I know that the existance of proton decay is not confirmed, and some scientist may even say its unlikely. But does the hypothesis also include bound neutron decay? [link] [comments]  |
| Does tongue surface area affect taste sensitivity? Posted: 24 Jan 2017 10:04 PM PST Edit: To clarify, if it's not obvious, my intuition here is that greater tongue surface area translates to more taste buds, which means greater taste sensitivity. Reasons this might be wrong:
The way I imagine one might test this hypothesis is by seeing whether ability to detect sugar, acid, salt, or some bitter compound dissolved in water at low concentrations is correlated with tongue surface area. I was unable to find any such research, though. [link] [comments]  |
| Posted: 25 Jan 2017 05:35 AM PST |
| Why don't waterfalls get worn down to gradual inclines? Posted: 24 Jan 2017 07:59 AM PST |
| Posted: 25 Jan 2017 02:57 AM PST |
| Posted: 24 Jan 2017 06:58 PM PST Of course, assuming one could control movement to such a minute increment. [link] [comments]  |
| Posted: 24 Jan 2017 07:26 PM PST If you run up a hill, you have to work harder and that work (energy) is transferred into potential energy because at the end you are higher in elevation then when you began. Running on an inclined treadmill feels like running up hill, and seems to require the same increase in energy but without the extra potential energy at the end. Where does that extra energy go? [link] [comments]  |
| Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology Posted: 25 Jan 2017 07:04 AM PST Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Biology, Chemistry, Neuroscience, Medicine, Psychology Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! [link] [comments]  |
| What is the Pauli Exclusion Principle? Posted: 25 Jan 2017 05:15 AM PST I don't know a whole lot about quantum mechanics, and I know the main example is electrons and their position and interaction between other electrons. But a more detailed explanation would be greatly appreciated. [link] [comments]  |
| What restricts temperatures from going above Planck's temperature(1.416785×10^32K)? Posted: 24 Jan 2017 07:52 PM PST 1)I was reading about 'absolute hot' on the wiki and do not understand why "particle energies become so large that gravitational forces between them would become as strong as other fundamental forces" would prevent higher temperatures than planck's temperature. 2)Based on the wiki, the universe experienced this temperature 10-42 seconds post-bigbang, doesn't this indicate that the time before then would have higher temperatures than planck's temperature? [link] [comments]  |
| Posted: 24 Jan 2017 01:38 PM PST I was going through this article which begins explaining the chaos that is a proton. Yet I was a little uncertain on why the observed mass of a proton is not significantly larger than these "zillion" quark/antiquark pairs. [link] [comments]  |
| With MRI Magnets being ridiculously strong, Why don't they affect compasses, systems, animals, etc ? Posted: 24 Jan 2017 08:07 PM PST I have heard that MRI magnets are something like 60,000 x stronger than the earth's magnetic field. If this is true, with thousands of them in operation world wide. Why aren't compasses, animals who navigate by the earth's north pole, instruments, and even the earth's magnetic poles affected by them ? [link] [comments]  |
| If forces are mediated by particles, how does a mass deficit arise in bound systems? Posted: 24 Jan 2017 01:41 PM PST For example, gravitationally bound objects have lesser mass when their potential energy increases. If the force is mediated by a graviton, is it not this massless particle giving rise to the bound nature of the system and increasing its potential energy? How exactly does mass decrease when gravitons (or in generally any force-mediating particles) are present? [link] [comments]  |
| Expansion velocity of a nuclear fireball? Posted: 24 Jan 2017 03:57 PM PST After the reaction begins, how rapidly does this thing expand, from like 0 - 10m or 0 - 50m? I would assume its velocity drops over distance but I don't know. [link] [comments]  |
| Why are electromagnetic waves represented by their frequency? Posted: 24 Jan 2017 05:08 PM PST I might be wrong but aren't all waves traveling like this ? This is an example of sound waves but isn't it the same for electromagentic waves? [link] [comments]  |
| What are the arguments for and against Chronic Fatigue? Posted: 24 Jan 2017 10:49 AM PST I have been trying to find information on Chronic Fatigue and there seems to be a lot of contradicting information surrounding whether or not it's a real disease. Some of the info also didn't seem like it was credible (both for arguments for and against). I also asked a friend of mine in the medical field and she seemed just rolled her eyes but didn't say much more. So I'm genuinely curious now what the arguments are for and against Chronic Fatigue. [link] [comments]  |
| How do they make sure when building a tall skyscraper, it remains straight ? Posted: 24 Jan 2017 08:19 AM PST ive always wondered when you see these 200 + meter skyscrapers, how do they keep them perfectly straight when building ? Considering most of the work is done level by level, a slight error in measurements will mean the tower will slowly taper off to being crooked. Is there special tools that they use ? [link] [comments]  |
| When free falling, is it better to hold on to something or not? Posted: 24 Jan 2017 10:41 AM PST If I was to jump out of a 5th story window (disregarding the shape/composition of the object), would it be better to free fall or strap myself to an object i.e. would something I had strapped myself to absorb any of my impact with the ground? Would I have a better chance of survival jumping solo or riding an object to the ground? (we're assuming I'm able to "ride" it to the ground, that's not up for debate) [link] [comments]  |
| Why is Homo Florensiensis considered a new species of humans? Posted: 24 Jan 2017 08:01 AM PST The only fossil specimen available is that of a female of small stature. How did the scientists consider this as a new species? Just at, that is a very insignificant sample size. So why the hurry? Edit : please forgive the typo : it is Homo Floresiensis. [link] [comments]  |
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