Do primates have mental disorders like humans? |
- Do primates have mental disorders like humans?
- For whales and dolphins can water "Go down the wrong pipe" and make them choke like with humans?
- Why does outer space look black?
- Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science
- How do sponges, towels, and cloths hold liquids?
- What does shower mold eat? Where is it getting its energy from?
- When a solid is dissolved in a liquid, is it still a solid, what about individual atoms or molecules in a vacuum?
- What specifically are electrodes measuring on an ECG?
- does the pressure of the oceans have a effect on the ocean? would the ocean floor look different if there wasn't an ocean over it?
- Is it possible to see a simultaneous solar transit of Phobos and Deimos from anywhere on Mars?
- Do Quarks have Volume?
- If a submarine loses it ability to function underwater, is it possible to “tow” it back to the surface?
- Does the weight of food have any bearing on its caloric density?
- How does the Event Horizon Telescope work?
- What evidence do we have of plate tectonics besides the shapes of the continents fitting together?
- How do governments tell the difference between nuclear launches and peaceful space missions?
- How do astronomers hypothesize/determine what elements are present on planets based on telescopic images?
- How can we differenciate between cause and effect when we talk about psycological biases? Like some colours causing us to be more hungry.
- Has there been any introduction of arctic species to the antarctic or vice versa by research ships that visit both?
- What do the electrodes on an EKG measure?
- What happens to unborn that stay in the womb longer than usual?
- If visible light and radio waves are both forms of electromagnetic radiation, do radio waves also exhibit wave/particle duality? If not, why?
| Do primates have mental disorders like humans? Posted: 02 Apr 2019 03:49 PM PDT I was at the zoo today and watched a gorilla pick at a scab on its finger, compulsively, until it started bleeding. Is this OCD or is it just a nervous thing that primates do at the zoo? Do gorillas share any of the same mental disorders that humans have? [link] [comments]  |
| For whales and dolphins can water "Go down the wrong pipe" and make them choke like with humans? Posted: 03 Apr 2019 07:19 AM PDT |
| Why does outer space look black? Posted: 02 Apr 2019 05:45 PM PDT |
| Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science Posted: 03 Apr 2019 08:13 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Physics, Astronomy, Earth and Planetary Science 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]  |
| How do sponges, towels, and cloths hold liquids? Posted: 03 Apr 2019 12:56 AM PDT As the title says, how do some materials hold fluids very well while others, like table tops, just have fluids slide off? What makes a liquid "hold" in a material? [link] [comments]  |
| What does shower mold eat? Where is it getting its energy from? Posted: 02 Apr 2019 09:42 AM PDT You know the mold in your shower that you're always trying to get rid of? What it is eating? I don't understand what it's growing off of. Every living thing needs an energy source aka to eat, right? So what is the mold eating? It can't be photosynthesizing because my bathroom doesn't have windows. It can't be eating my dead skin cells/run off dirt because it's up near the ceiling too. It can't be eating regular food because I don't eat or keep food in my shower. Is it eating my soap or shampoo or something? Or maybe it's like a predator that eats the bacteria on the walls. I really have no idea so I turn to reddit. Thank you! [link] [comments]  |
| Posted: 02 Apr 2019 11:58 AM PDT I am trying to gain a better understanding about states of matter, the last paragraph is the most important one to be answered. It is my understanding that when a solid is dissolved into a liquid, at least some of it is individual molecules or atoms are are not attached to other molecules and atoms of the same type, instead they are completely separate, not part of any solid structure. In that situation, are those molecules or atoms a solid, a liquid or something else? Additionally, if I have an individual atom or molecule in a vacuum, which at that temperature and pressure would normally be solid, is it still considered a solid? What if that single atom or molecule would be a liquid at that temperature and pressure, is it still considered a liquid? Is there something fundamental about the state of an atom or molecule that, independently of other atoms or molecules of the same type, determines if it is in a solid, liquid or gas state (plasma I understand)? Are there observations, tests or measurements (other than temperature) that could be applied to an individual atom or molecule in a vacuum that could be used to test its state (perhaps how it reacts chemically with other substances, perhaps how it interacts mechanically with other substances, how it moves, perhaps how it responds to radiation)? [link] [comments]  |
| What specifically are electrodes measuring on an ECG? Posted: 02 Apr 2019 12:46 PM PDT I'm trying to understand how ECG's work. I understand the different views but not specifically what the electrodes are measuring. For example, lead I measures the flow of some charge (positive to negative electrons?) from the left arm lead to the right arm lead. What I don't understand is what exactly the electrodes are measuring and how the myocytes effect something that can be measured on the surface of the skin so far away from the heart. [link] [comments]  |
| Posted: 02 Apr 2019 11:53 AM PDT |
| Is it possible to see a simultaneous solar transit of Phobos and Deimos from anywhere on Mars? Posted: 02 Apr 2019 12:27 PM PDT I don't know much about the orbital periods/inclinations/etc. of Mars' two moons. I've seen video of each of them transiting the sun from some of the landers. I was curious to know if both could do it at the same time. If so, would you need to be at a specific spot or area on Mars to see it? If there was a double transit, would Deimos pass behind Phobos, or would they be at different solar latitudes? If it's not possible, is this due to orbital resonances? [link] [comments]  |
| Posted: 02 Apr 2019 02:40 PM PDT My friend (u/carson_bay) and I were debating whether or not a quark has volume. On one side, we argued that they don't have volume until they combine to create other particles. On the other, we argued that they do have volume. We have both found conflicting sources that say they don't have volume, and others that say their radius is 10-18 metres. So, which is it? Do they have volume or not? Or is it a case where they both do and do not have volume until they are observed? [link] [comments]  |
| Posted: 02 Apr 2019 03:13 PM PDT |
| Does the weight of food have any bearing on its caloric density? Posted: 02 Apr 2019 03:03 PM PDT Like the title says, obviously there isn't necessarily a clear '1 kg of food = X calories', as it's easy to come up with a counter example. However, is there any relationship there? I have a hard time imagining a 1000 calorie bit of semi-dense foam (think like a 100 cm3 cube of foam?), but I can imagine eating a (comparatively) heavy 100 cm3 cube of butter or something similar that might contain 1000 calories. UPDATE: In light of the answers to the original question (thanks everyone, good insights all around!) a quick follow up, is there a maximum amount of calories that a piece of food can contain for a particular density? Is it strictly limited by the size of a molecule of fat/etc. ? [link] [comments]  |
| How does the Event Horizon Telescope work? Posted: 02 Apr 2019 08:08 AM PDT The EHT has announced a press conference for April 10, where it is expected they will release their final images of Sgr A* (or at least set an official date for release). How was the project able to take an image of such a distant object? Is it an optical image or radio or something else? What are the science goals of this project beyond obtaining an image? [link] [comments]  |
| What evidence do we have of plate tectonics besides the shapes of the continents fitting together? Posted: 02 Apr 2019 08:14 AM PDT |
| How do governments tell the difference between nuclear launches and peaceful space missions? Posted: 02 Apr 2019 04:26 AM PDT This has two parts: 1) Governments monitor the launch of nuclear missiles. But there are rockets being shot into space all the time. How do they know that those rockets aren't carrying nuclear weapons. 2) Satellites are shot into space regularly. How do we know that they aren't hiding nuclear weapons? [link] [comments]  |
| Posted: 02 Apr 2019 07:39 AM PDT |
| Posted: 02 Apr 2019 03:07 PM PDT Edit: Does red and yellow make us hungry because restaurants use it alot or do restaurants use it alot because it makes us hungry? [link] [comments]  |
| Posted: 02 Apr 2019 04:26 AM PDT |
| What do the electrodes on an EKG measure? Posted: 02 Apr 2019 12:22 PM PDT I've been trying to learn how EKG's work and I understand what views the electrodes are detecting but I don't understand what the electrodes themselves are measuring. For example, lead I measures the positive flow of something (electrons?) from the left arm to the right arm. But if those leads are placed on the left and right wrist, how does the electrical activity of the myocytes effect the electrodes all the way at the limbs? [link] [comments]  |
| What happens to unborn that stay in the womb longer than usual? Posted: 02 Apr 2019 04:51 AM PDT If there is no artificial help like a ceasarean section and the mother doesn't get contractions, how long is the child able to stay in the womb? How will it further develop in that time? [link] [comments]  |
| Posted: 02 Apr 2019 04:26 AM PDT |
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