How far does an insect (like a beetle or a fly) travel from the place they were born in? |
- How far does an insect (like a beetle or a fly) travel from the place they were born in?
- How come no matter how realistic a computer generated face is, we know it's not real?
- If I'm flying by Jupiter, Saturn, Uranus, and Neptune, would I see them bright and colorful or would they be somewhat dark because they're so far away from the sun?
- If there are magnetic field lines are there gravitational field lines also?
- Does our body absorb all the calories that is mentioned on a food product?
- How are feathers grown?
- How do I calculate rotational simulated gravity?
- Why can an obect be sped fast enough to break apart when spinning the room around it will not result in that, even though from the room's perspective the object is spinning the same way both times?
- How accurate are the DNA/ancestry composition tests by companies like 23andMe?
- Can you climb a rope on a spinning spaceship?
- Why is breastfeeding so difficult and unintuitive for many women? Why aren't humans like other animals that seem to do it with ease?
- Does diet soda actually cause weight gain by itself or is it the habits that come because of it?
- Why do we yawn?
- If people are born in an underground facility will they eventually develop a sleeping pattern similar to most surface dwellers?
- Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology
- How is it that my phone camera can see better through stormy weather than my own eyes can?
- How have past cataclysmic events influenced human genetic mutations?
- How exactly do the tall 1500' radio/communications towers get erected?
- How accurate is the temperature data collected from the liquid-in-glass thermometer since 1850s?
- Why isn't an anti-tick medication available for humans like it is for dogs?
- Are a magnet's attracting and repelling forces equal?
- How does friction help a car to turn?
- What is the relationship between graph cuts and the eigenvectors of the graph's Laplacian?
| How far does an insect (like a beetle or a fly) travel from the place they were born in? Posted: 15 Jun 2017 04:58 AM PDT |
| How come no matter how realistic a computer generated face is, we know it's not real? Posted: 14 Jun 2017 08:42 PM PDT Even if I see a "hyper realistic" reconstruction of a famous persons face, or a similar situation, my mind knows it's a reconstruction, not an actual photo. [link] [comments]  |
| Posted: 15 Jun 2017 05:14 AM PDT |
| If there are magnetic field lines are there gravitational field lines also? Posted: 15 Jun 2017 05:57 AM PDT If there are what is the significance of them and how do field lines relate to the waves in electromagnetic and gravitational fields? [link] [comments]  |
| Does our body absorb all the calories that is mentioned on a food product? Posted: 14 Jun 2017 09:09 AM PDT We can often find the number of total calories mentioned on a product under "nutritional info". Do these calories represent what our bodies will be able to absorb or the total number of absorbed calories differ from what is mentioned? In other words, is the calories information mentioned on a food item already adjusted for the losses during digestion? EDIT: Thanks for all the answers. I am trying to lose weight so I do watch my calories closelyand that's how I ended up with this question in my head. [link] [comments]  |
| Posted: 14 Jun 2017 04:18 PM PDT |
| How do I calculate rotational simulated gravity? Posted: 15 Jun 2017 05:31 AM PDT Hello, I'm trying to learn about interplanetary spaceflight. I know you can simulate gravity by having a spinning ship (or ship section, or two tethered ships rotating around a center). In my understanding, the simulated force would be just a function of the radius of the spinning section and rotational frequency. However, I haven't found a formula that does this. What I'm searching is basically a way to answer questions like "If my rotating section has a radius of 100 m, how many rpm do I need to simulate 0.5 g at the circumference?" Thanks in advance, and if I'm in violation of any rules, please tell me. Also sorry for any bad English or abusing scientific jargon, non-native speaker and all that. [link] [comments]  |
| Posted: 15 Jun 2017 05:29 AM PDT |
| How accurate are the DNA/ancestry composition tests by companies like 23andMe? Posted: 14 Jun 2017 01:32 PM PDT I, like many of you, have seen dozens of commercials for companies like 23andMe. This companies claim that with a DNA sample, typically saliva, they can tell you about your ancestry. So, how accurate are these tests? Are there several peer-review articles that confirm what these companies do? [link] [comments]  |
| Can you climb a rope on a spinning spaceship? Posted: 14 Jun 2017 09:00 AM PDT Here's a more fleshed-out version of the question: Let's say you're on a wagon-wheel-like spaceship that's spinning such that the (sorry) centrifugal force inside the 'wheel' (where the crew would be) is equivalent to 1G. Now let's say you're climbing around the outside of the wheel, using handholds that you're tethered to with a metal cable. If you fell off, you'd be hanging off the wheel by the cable, spinning 'below' the wheel relative to the center of the wheel. In this circumstance, would you still be able to climb back up the cable, or is there some weird interaction with vacuum or spinning reference frames or some other weird space thing that would prevent this? Thanks! [link] [comments]  |
| Posted: 14 Jun 2017 06:35 PM PDT It seems that many new moms and babies have to struggle to learn this basic function. How does this make sense evolutionarily? [link] [comments]  |
| Does diet soda actually cause weight gain by itself or is it the habits that come because of it? Posted: 14 Jun 2017 06:35 PM PDT So I know diet soda is not good for you as most carbonated beverages are. But does the calorie free drinks actually cause weight gain or is it that people tend to eat worse and they justify it with the fact that they had diet soda. [link] [comments]  |
| Posted: 15 Jun 2017 05:41 AM PDT |
| Posted: 14 Jun 2017 04:27 PM PDT |
| Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology Posted: 14 Jun 2017 08:07 AM PDT 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]  |
| How is it that my phone camera can see better through stormy weather than my own eyes can? Posted: 14 Jun 2017 03:35 PM PDT |
| How have past cataclysmic events influenced human genetic mutations? Posted: 14 Jun 2017 08:23 PM PDT |
| How exactly do the tall 1500' radio/communications towers get erected? Posted: 14 Jun 2017 11:45 PM PDT |
| How accurate is the temperature data collected from the liquid-in-glass thermometer since 1850s? Posted: 14 Jun 2017 11:42 PM PDT I read about how liquid-in-glass thermometer had been used used for recording temperatures since 1850s, but I also read somewhere else that these kind of thermometers have to be kept in a white painted boxes with vents to avoid errors from the sunlight from altering the temperature. I was wondering, therefore, if any knew if the measurements early on had kept this in account. If not, how (in)accurate the data would be? [link] [comments]  |
| Why isn't an anti-tick medication available for humans like it is for dogs? Posted: 14 Jun 2017 05:54 AM PDT My brother and I have been wondering about this for awhile now after we gave our dog her anti-tick chewable pill. It kills fleas and some species of ticks before they attach or lay eggs. Since ticks carry Lyme disease and it can spread to humans, why hasn't a pill (or possibly vaccine?) been invented that humans can take? [link] [comments]  |
| Are a magnet's attracting and repelling forces equal? Posted: 15 Jun 2017 04:58 AM PDT For a perfectly symmetrical magnet, are both opposite forces exactly equal? Or is one force stronger than the other? [link] [comments]  |
| How does friction help a car to turn? Posted: 15 Jun 2017 04:58 AM PDT I know that friction helps car to move forward. The engine of the car turns the wheels, and the tyres have to grip the road in order for the car to start moving forward. If there is no friction, tyres cannot grip the road! But I can't imagine how does friction act as a centripetal force when the car is turning on a roundabout? What is happening at the point of contact between the wheel and the road ? [link] [comments]  |
| What is the relationship between graph cuts and the eigenvectors of the graph's Laplacian? Posted: 15 Jun 2017 04:30 AM PDT |
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