Why do sunburns start to hurt after you get out of the sun? Why don’t we notice the pain while we are in the sunlight? |
- Why do sunburns start to hurt after you get out of the sun? Why don’t we notice the pain while we are in the sunlight?
- Are there any long-term effects for people who have been in a prolonged coma as a child?
- Why do the boys rescued from the cave in Thailand need to be quarantined?
- Megathread: Multi-Messenger High-Energy Neutrino Observations
- How do pockets of breathable air form in deep underwater caves?
- How does electricity know what the shortest path is to its destination?
- Research has been done on the effect of gut microbiome on behaviour. Has any research been done on the effects of sharing elements of one's microbiome with a partner, through things like kissing and oral sex, might have on behaviour within the relationship? [medicine] [human body]
- What changes nutritionally in fruits in vegetables when blended instead of eaten raw?
- Imperial or metric for small measurements in the US?
- In what way does AIDS effect the body if it were to go untreated?
- Do we know the physical properties of TRAPPIST-1 and it's planets yet? How do we get this data on planets so far from us?
- Are time and space the same thing? If not, how are they related?
- Do fireworks have a significant effect on air pollution?
- Is the Circadian rhythm of a person above the arctic circle different from the rest of us?
- Is the circadian rhythm of blind people different from non-blind people?
- Can radio waves from radio stations flip spin of protons in our body?
- How does gravity affect molecular or smaller scale processes?
- Are pollution masks proven to be effective against polycyclic aromatic hydrocarbons?
- Do new tectonic plates ever form/merge with other ones?
- How many nukes would it take to cause a nuclear winter?
- Why is WR104 so dangerous?
- Do supergiant stars generate more energy in their death than they do in their life?
- How often do our planetary neighbors near us in orbit?
| Posted: 12 Jul 2018 02:15 AM PDT |
| Are there any long-term effects for people who have been in a prolonged coma as a child? Posted: 12 Jul 2018 05:59 AM PDT Since coma messes with your internal clock, does this lead to any abnormal physical and mental development patterns? E.g., do they have longer spines than normal people? [link] [comments]  |
| Why do the boys rescued from the cave in Thailand need to be quarantined? Posted: 11 Jul 2018 09:04 AM PDT What would make them any more susceptible to catching something if exposed to other people, than they were 14 days ago? Just the limited food and rest in the cave? [link] [comments]  |
| Megathread: Multi-Messenger High-Energy Neutrino Observations Posted: 12 Jul 2018 08:20 AM PDT Currently there is a press conference where a high-energy neutrino (~290 TeV) has been detected with IceCube which is coincident with an active galactic nuclei pointed directly at us, TXS 0506+056, approximately four billion lightyears away. Finding the origins of neutrinos has been an ongoing problem though they have been observed from the Sun and from Supernova 1987A. This is a big advancement for multi-messenger astronomy, using electromagnetic waves and neutrinos in a way similar to using electromagnetic waves and gravitational waves to get a new view on the universe. If you have questions, ask them here! [link] [comments]  |
| How do pockets of breathable air form in deep underwater caves? Posted: 11 Jul 2018 05:25 PM PDT I was reading an article on BBC News about a diver who got lost and only survived because of an underground pocket of breathable air. How did the air get there in the first place? Is it just really, really old? Will the oxygen ever get replenished or is it mostly unusable now? [link] [comments]  |
| How does electricity know what the shortest path is to its destination? Posted: 12 Jul 2018 12:54 AM PDT Not sure if it belongs to this tag, or another one but this one started bugging me as soon as I thought of it. I assume it works by distributing a small amount of charge in all directions and then moves to the point where the electricity has not bounced back yet, but then again, that's just my assumption and is most likely completely wrong. [link] [comments]  |
| Posted: 12 Jul 2018 02:28 AM PDT |
| What changes nutritionally in fruits in vegetables when blended instead of eaten raw? Posted: 12 Jul 2018 05:36 AM PDT What changes nutritionally to certain food groups when they are blended instead of eaten raw? For example, I occasionally make smoothies (not juicing) with things like mixed berries, spinach, banana, avocado, tomato. How does the body process these types of foods differently when consumed this way, as opposed to if eaten raw? Does one way tend to be more beneficial to bodily regulatory processes? [link] [comments]  |
| Imperial or metric for small measurements in the US? Posted: 12 Jul 2018 05:19 AM PDT I was wondering whether in the US do they use the imperial system even for smaller measurements such as screws, pipes, holes etc that are less than 5mm in diameter? I saw that there are points and pica but I've never heard that those measurements are widely used in an industrial setting. [link] [comments]  |
| In what way does AIDS effect the body if it were to go untreated? Posted: 12 Jul 2018 02:50 AM PDT |
| Posted: 12 Jul 2018 07:47 AM PDT If we do have this data, where would it be found? If we don't, what's preventing us from getting it? Is it just the distance or anything else? Do we have that kind of data on any other planetary system yet? (apart from our own, obviously) [link] [comments]  |
| Are time and space the same thing? If not, how are they related? Posted: 12 Jul 2018 07:29 AM PDT I hear about spacetime a lot and the idea about space and time being conjoined that way seems really odd and doesn't really make sense to me. [link] [comments]  |
| Do fireworks have a significant effect on air pollution? Posted: 11 Jul 2018 04:14 PM PDT |
| Is the Circadian rhythm of a person above the arctic circle different from the rest of us? Posted: 11 Jul 2018 03:52 PM PDT We all have the circadian rhythm, about 25 hours with an arguably biphasic pattern, but I read something about deep sea creatures/cave creatures lacking a circadian rhythm because they aren't exposed to the sunrise/sunset pattern. So is the circadian rhythm for people living above the arcticel circle different, since half the year they half almost constant sunshine and half the year almost constant night? [link] [comments]  |
| Is the circadian rhythm of blind people different from non-blind people? Posted: 12 Jul 2018 02:56 AM PDT I saw a good thread about blind Mexican cave fish and how they don't experience the day night cycle, and therefore have a different rhythm to their land counterparts. When I shared this with my wife asked me what about blind people, as they don't experience the day night cycle the same as their non-blind counterparts? [link] [comments]  |
| Can radio waves from radio stations flip spin of protons in our body? Posted: 11 Jul 2018 11:00 PM PDT In NMR and MRI radio waves are used to flip the spin of protons the human body. Do radio waves from radio stations do this as well, and could there be any consequences from doing this? [link] [comments]  |
| How does gravity affect molecular or smaller scale processes? Posted: 11 Jul 2018 10:54 PM PDT |
| Are pollution masks proven to be effective against polycyclic aromatic hydrocarbons? Posted: 11 Jul 2018 10:30 PM PDT Is there any study assessing the benefit of wearing a pollution mask when walking/biking in a city full of cars? [link] [comments]  |
| Do new tectonic plates ever form/merge with other ones? Posted: 11 Jul 2018 09:18 PM PDT If so how often does this happen? If not does that mean we'll always have the current plates we have now in some arrangement? [link] [comments]  |
| How many nukes would it take to cause a nuclear winter? Posted: 11 Jul 2018 06:59 AM PDT I'm confused about nuclear weapons. A Ted talk I watched, along with several other sources, all say "a hundred or so nukes will be enough to cause a nuclear winter and wipeout humanity". But, according to google, there have been over 1000 nuclear detonations. Why such a discrepancy between these numbers? [link] [comments]  |
| Posted: 11 Jul 2018 11:07 AM PDT I've always wondered, even though the gamma ray burst isn't directly pointed at earth why is there still risk? [link] [comments]  |
| Do supergiant stars generate more energy in their death than they do in their life? Posted: 11 Jul 2018 09:03 AM PDT I'm really interested in stars for no particular reason. Earlier today, I had heard a physicist say making a stable wormhole would require amounts of energy equivalent to creating a black hole out of a star—a supernova. Idk if they're right, and the validity of the statement isn't the focus, really. I'm more curious about whether or not the energy output of a supernova exceeds that of the energy output of a star during the rest of its life. Is there even a way to measure that? [link] [comments]  |
| How often do our planetary neighbors near us in orbit? Posted: 11 Jul 2018 12:32 PM PDT Every night for two weeks I have seen Mars, Jupiter, and Saturn. Right when the sun sets I can usually see Venus too. All at the same time in the same sky. How often does this happen? Does the amount of visible planets per night change throughout the year? Or does it only change year to year? I feel really lucky to have this Truly Awesome view of our solar system every night! Edit: I understand how each planets orbit works. Also that earths orbit plays a heavy hand in this too. I guess this question is more of an r/theydidthemath post, because you would have to calculate all of these together to realize how many are visible through the year, every year. [link] [comments]  |
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