Are any unique properties expected to arise as matter gets even closer to absolute zero? |
- Are any unique properties expected to arise as matter gets even closer to absolute zero?
- What climate change models are currently available for use, and how small of a regional scale can they go down to?
- Are there any species which more or less completely die off every generation and rely on eggs to survive without the parents to continue the species?
- Why are the Galapagos Islands specifically so important to study?
- Is the current number of human beings alive higher or lower than the number of humans that have died?
- Is the ability to recall something from memory effected by how awake you were when you learned it?
- What parts of human vision are innate vs learnt?
- Could a Geologist Please Help Explain Limestone Layering?
- Relative to humans, snakes outer epithelial layer sheds much different than ours. I understand the human epidermis from human anatomy and was hoping someone could explain this process for a snake in which the outer layer all disconnects at once to shed a complete skin of the snake?
- Are vitamins more effective if you know what they do?
- Why do fruits get sweeter the longer you wait?
- How much does the centrifugal force of the earth’s rotation counteract gravity at the surface? If the earth wasn’t rotating, how heavy would a kilogram be at sea level?
- Is the global polar bear population increasing, or decreasing? There are a bunch of articles on either side, including fact-checks. Not looking for political stuff.
- Does the act of actively recalling old memories provide any physical benefits to the brain?
- We have geological and fossil evidence of the fluctuation in the ratio of gasses in the atmosphere 100’s of Ma back. What evidence do we have about fluctuations in atmospheric pressure?
- It is said that universes is always expanding but expanding onto what?
- If you chip your bone from an injury, what happens to it?
- What does a choloroplast actually need to survive?
- Can the Stern–Gerlach experiment measure spin direction?
- How does slime mold navigation differ from an ant colony finding food?
- is spaced repetition learning scientifically accepted and how does it work?
- Can you be/get immune to any kond of anaesthetic?
| Are any unique properties expected to arise as matter gets even closer to absolute zero? Posted: 30 Mar 2019 06:48 PM PDT I am aware that many unique properties arise as things become very cold, but there seem to be a lot of efforts seeking to make matter as close to absolute zero as possible. Is this just an engineering demonstration, or do we expect different properties to emerge when something is, for example, 10E-15 kelvin versus 10E-10 kelvin? [link] [comments]  |
| Posted: 30 Mar 2019 09:30 AM PDT I want to see how climate change will affect the temperature and humidity of my area in 25 years. How fine-tuned are the current maps for predicted regional changes? Are there any models that let you feed in weather data (from a local airport for example) and get out predicted changes? Are there any that would let me feed in temperature and humidity readings from my backyard and get super fine scale predictions? The reason I'm asking is because I want to if my area will be able to support certain crops in 25 years. I want to match up the conditions of my spot 25 years from now with the conditions of where that crop is grown currently. Edit: I've gotten a lot of great replies but they all require some thought and reading. I won't be able to reply to everyone but I wanted to thank this great community for all the info [link] [comments]  |
| Posted: 30 Mar 2019 07:08 PM PDT I thought about this today and thought it was an interesting concept. My first thought was that it seems entirely possible that an entire species of insect could almost entirely die off in the winter amd only survive due to eggs stored underground. Am I being dumb? Is this possible? Does such a species exist? [link] [comments]  |
| Why are the Galapagos Islands specifically so important to study? Posted: 30 Mar 2019 05:46 PM PDT I always see the Galapagos Islands as the big place that people are studying. I realize there are major historical discoveries that have happened there, but aren't there likely to be many archipelagos that are near a mainland that display the same amounts of natural selection and adaptive radiation? Are they just the "famous" archipelago? Is there a really unique situation there? Or are people building upon 100+ years of research in that specific place? [link] [comments]  |
| Posted: 30 Mar 2019 09:24 AM PDT I don't know how to properly phrase this question so bare with me. In an exercise about problem solving techniques this question arose. Is the number of current human beings alive higher or lower than the total number of humans that have died since the human race exist (or some early point in history)? It's hard to define the boundaries but let's say we base our case in registered or estimated child mortality, perhaps? Of course it's a highly speculative question but id love to know if someone approached this matter before, and how. Thanks. [link] [comments]  |
| Is the ability to recall something from memory effected by how awake you were when you learned it? Posted: 30 Mar 2019 06:13 PM PDT If I am studying and it is late at night and I'm tired, when I am fully rested how will my ability to remember what I was learning be effected. I work shifts and often do study for a few hours between 10pm and 1am. I was wondering if this is a poor way of learning. [link] [comments]  |
| What parts of human vision are innate vs learnt? Posted: 30 Mar 2019 04:43 PM PDT How much of the human vision ability are we innately born with and what parts do we learn? I understand that human vision is a broad area so its hard to list all features that we innately have vs learn and I also understand that we don't fully understand how the human vision process fully works yet. But I am hoping for some insight into what elements of human vision we learn. It may be easier to answer specific questions, so...
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| Could a Geologist Please Help Explain Limestone Layering? Posted: 30 Mar 2019 09:25 PM PDT Thanks for helping out a lay person who is a geology enthusiast. What causes the abrupt and distinct color and texture differences in midwestern limestone bluffs? I understand that oceans laid down the layers. The questions are:
It seems to imply some big changes must have happened fast for laying to be so varied and distinct. Thanks again [link] [comments]  |
| Posted: 30 Mar 2019 05:09 PM PDT |
| Are vitamins more effective if you know what they do? Posted: 30 Mar 2019 02:38 PM PDT Essentially; does the placebo effect strengthen the effectiveness of vitamins? Especially since we know the vitamins are regulated and not sugar pills. [link] [comments]  |
| Why do fruits get sweeter the longer you wait? Posted: 30 Mar 2019 05:54 AM PDT |
| Posted: 30 Mar 2019 03:54 PM PDT I was reading about how the Gault asteroid is spinning so fast the surface material overcomes gravity and escapes. This made me wonder about the earth's rotation and how much centrifugal force is acting against the earth's own gravity. Would it make any measurable difference if there was no rotation? Would it be so much that we'd all be squashed by our own weight? [link] [comments]  |
| Posted: 30 Mar 2019 07:42 AM PDT |
| Does the act of actively recalling old memories provide any physical benefits to the brain? Posted: 30 Mar 2019 10:15 AM PDT Also, could it provide similar benefits as meditation? [link] [comments]  |
| Posted: 30 Mar 2019 01:48 PM PDT Looking at the other planets in our solar system, particularly Venus, it is clear that the amount of atmosphere on a terrestrial planet is not dictated by gravity alone. And in the case of Mars we are fairly confident it can fluctuate by quite a bit over the life of a planet. Do we know if Earth's atmospheric pressure has changed substantially over its history? More specifically, how it has changed during the period of complex life? [link] [comments]  |
| It is said that universes is always expanding but expanding onto what? Posted: 30 Mar 2019 07:19 AM PDT |
| If you chip your bone from an injury, what happens to it? Posted: 30 Mar 2019 04:35 AM PDT |
| What does a choloroplast actually need to survive? Posted: 30 Mar 2019 08:19 AM PDT If I remember correctly, Choloroplasts are sort of autonomous "cells", trapped inside plat cells, reproducing on their own account. What do they actually need to live, what do they produce (atp i assume) and what do they need to produce that? [link] [comments]  |
| Can the Stern–Gerlach experiment measure spin direction? Posted: 30 Mar 2019 11:56 AM PDT As I understand, it just proves that spin is quantized and it can also measure the spin of individual particles, but not the direction of them. Is this true? Furthermore, if it can, how would differently facing spins appear in the output of the experiment? On a side note, mildly related to the main question: does a beam of positrons generated from pair production, separated from the electrons, have all their spins facing in the same direction? Thanks for the answers in advance! [link] [comments]  |
| How does slime mold navigation differ from an ant colony finding food? Posted: 30 Mar 2019 08:46 AM PDT I recently found these visualizations of physarum polycephalum and a short explanation, along with Wikipedia's summary. While obviously there are a million unanswered questions about how it works, it seems like at a basic level the mold's behavior is similar to an ant colony - spread out randomly and reinforce paths that lead to food. Having dealt with SIX ant intrusions recently, the biggest difference I noted is that ants seem somewhat less concerned with the shortest path. What are the other similarities and differences? [link] [comments]  |
| is spaced repetition learning scientifically accepted and how does it work? Posted: 30 Mar 2019 10:01 AM PDT |
| Can you be/get immune to any kond of anaesthetic? Posted: 30 Mar 2019 01:15 PM PDT |
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