How do surgeons attach a donated piece of liver to a patient's circulatory system when it's "cut out" from a living donor? |
- How do surgeons attach a donated piece of liver to a patient's circulatory system when it's "cut out" from a living donor?
- Why do rabbits hop, even over short distances? Is it something about their bones and muscles, or could a rabbit be trained to walk?
- Why do solar panels use Silicon cells rather than a metal with a lower work function, such as Cesium/Caesium?
- On a cellular level, what's the difference between tough skin like what's on the souls of our feet, and more sensitive/fragile skin like our lips, eyelids or...other bits?
- What exactly does the Yang-Mills and Mass Gap problem attempt to explain and why is it so difficult to solve?
- Why is playing games fun?
- Can we say that the efficiency of an heating device (in term of energy converted) is 100% ?
- Why do the walls in this Redbull can start to buckle outward at even locations under a hydraullic press? (Link inside)
- Have we been able to bond any noble gas element with any metal, and if so, what is the longest we've been able to maintain this bond?
- What stops the successive hits and jerky movements of running and jumping from causing brain damage?
- How do tree cells know to divide primarily upward and only a little bit outward?
- What is it about water or bismuth that makes it expand when it freezes?
- How is CO2 the leading cause of climate change while comprising less than 1% of the atmosphere?
- Is Mayonnaise a compressible fluid?
- How much longer does a second last for someone on Earth compared to someone floating in outer space?
- Do different instruments (voice, piano, drums etc.) utilize different parts of the brain?
- Do species with shorter reproductive cycles evolve "faster"?
- Will the continents on Earth eventually collide once again and form another Pangaea?
- Do mirror neurons behave in a different way for people who lack the ability to recognize faces?
- [Biology] Why aren't more organisms omnivores?
- Why does the inner cone of a double-cone Bunsen burner flame contain hot but not burning natural gas?
- When stirring sugar into my coffee, why does the pitch of the sound change?
- Why is mathematics so applicable to all the phenomena we can observe and describe in the universe?
- Why are things slippery?
| Posted: 03 Apr 2016 05:54 PM PDT |
| Posted: 03 Apr 2016 06:56 PM PDT I've never seen a rabbit attempt to walk. Even if they only need to reach some grass that's just barely out of reach, they move both front legs, and then hop their back legs. Is there something about rabbit physiology that makes them hop? Do their bones and muscles make walking difficult? [link] [comments]  |
| Posted: 03 Apr 2016 09:37 AM PDT Silicon has a work function of 4.05eV, whereas Cesium/Caesium which is 2.1eV. Surely solar panels made with one of the many other metals with a lower work function would produce a higher electrical output? [link] [comments]  |
| Posted: 03 Apr 2016 09:16 AM PDT |
| Posted: 03 Apr 2016 08:25 PM PDT |
| Posted: 03 Apr 2016 09:28 AM PDT I understand why eating food, or having sex can gives us pleasure, since it makes sense biologically, we need to do those things to survive and procreate, but why does playing games gives us "pleasure"? Is our brain capable of training itself to feel pleasure from activities that would otherwise not cause any pleasure? [link] [comments]  |
| Can we say that the efficiency of an heating device (in term of energy converted) is 100% ? Posted: 03 Apr 2016 08:34 AM PDT Usually when converting energy from one 'kind' to another (electrical to mechanical, thermal to electrical, etc.) there are always losses and most of the time, it is thermal loss (friction, Joule effect, ...) But if the purpose of the conversion is to heat stuff up, then it is not really 'loss', is it ? And then the ratio of 'useful energy output' from energy input can be considered 100% ? [link] [comments]  |
| Posted: 03 Apr 2016 04:49 PM PDT |
| Posted: 03 Apr 2016 06:27 PM PDT Just wondering if there are any computational, theoretical, or experimental areas as far as this subject goes. I'm a applied math student who will be attending school for graduate level physics next semester, and I'm very interested in this subject. Very specific on the noble gas + metal, for example argon and gold or something of that nature. Maybe some sort of high vacuum and high energy process to create these bonds, if only temporarily. Thanks in advance for any answers! [link] [comments]  |
| What stops the successive hits and jerky movements of running and jumping from causing brain damage? Posted: 03 Apr 2016 06:15 PM PDT |
| How do tree cells know to divide primarily upward and only a little bit outward? Posted: 03 Apr 2016 06:09 PM PDT Trees will grow feet upward each year, but only a millimeter or two outward. If cells were to divide randomly, I would assume trees would be like wooden balls, so the cells clearly don't just divide in random directions. Are there internal mechanisms inside each cell that let them know which direction is which? [link] [comments]  |
| What is it about water or bismuth that makes it expand when it freezes? Posted: 03 Apr 2016 04:48 PM PDT Water expands when it turns into ice, and that's how ice weathering works. But what is it about water and other substances (bismuth, gallium, germanium, etc.) that makes it do that? [link] [comments]  |
| How is CO2 the leading cause of climate change while comprising less than 1% of the atmosphere? Posted: 03 Apr 2016 05:18 PM PDT This isn't a troll post. I don't have an agenda. I'm trying to understand where the scientists are coming from. By looking at this graph, it would seem to be that a doubling (or however much) of CO2 would make a very negligible difference in the overall greenhouse effect. Added: Most graphs found ONLY show the man-made contributions and gases like CO2, which when looked at alone, does seem alarming. But if water vapor really does comprise the vast majority of the greenhouse effect, obviously it should be taken into consideration as well, I would think. Source: http://www.geocraft.com/WVFossils/greenhouse_data.html [link] [comments]  |
| Is Mayonnaise a compressible fluid? Posted: 03 Apr 2016 04:18 PM PDT I know it's technically a colloid. I'm working on a question from an eve friend who wants to make a mayonnaise jet pack. [link] [comments]  |
| How much longer does a second last for someone on Earth compared to someone floating in outer space? Posted: 03 Apr 2016 12:23 PM PDT If I understand it correctly, the fastest you travel through space the slower you travel through time, and time also goes more slowly as the gravitational force acting on you increases. So is it possible to calculate the amount of time dilatation we are undergoing on Earth? [link] [comments]  |
| Do different instruments (voice, piano, drums etc.) utilize different parts of the brain? Posted: 03 Apr 2016 04:09 PM PDT I was wondering if the brain activity of musicians differ from one to the next? I am a psychology student, so my understanding is that brain activity is not completely localized and that an action can not always be attributed to a specific region. I'm not quite sure if this question makes much sense.. [link] [comments]  |
| Do species with shorter reproductive cycles evolve "faster"? Posted: 03 Apr 2016 07:03 AM PDT As in, do we see the process of evolution affect creatures like small birds quicker than creatures like elephants and humans? [link] [comments]  |
| Will the continents on Earth eventually collide once again and form another Pangaea? Posted: 03 Apr 2016 07:42 AM PDT |
| Do mirror neurons behave in a different way for people who lack the ability to recognize faces? Posted: 03 Apr 2016 04:08 PM PDT |
| [Biology] Why aren't more organisms omnivores? Posted: 03 Apr 2016 05:28 PM PDT Wouldn't it be an evolutionary benefit to be omnivorous? You could eat like, a lot more shit. [link] [comments]  |
| Posted: 03 Apr 2016 06:14 PM PDT |
| When stirring sugar into my coffee, why does the pitch of the sound change? Posted: 03 Apr 2016 01:44 PM PDT The pitch of the clinking of the spoon against the glass gets lower as I stir. Does the dissolved sugar change it somehow? [link] [comments]  |
| Why is mathematics so applicable to all the phenomena we can observe and describe in the universe? Posted: 03 Apr 2016 01:31 PM PDT |
| Posted: 04 Apr 2016 01:24 AM PDT |
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