- Why does lack of oxygen turn your lips blue? What actually gives them that color? Is it an illusion, like bluejay feathers, a more conventional pigment, or something else? Google would only tell me it’s because of lack of oxygen, but I’m not sure that explains this on its own.
- Can turtles get fat??
- Which of the basic forces of nature is the strongest?
- Why is the surface of the sun cooler than the corona?
- How come the transit of Mercury in front of the sun doesn’t happen more often?
- Are twins more likely to have twin babies? If so, would we see this effect on a nation wide scale when the nation becomes developed and the birth rate falls, where twins become a majority?
- How is it possible for bamboo to grow so quickly?
- Played guitar for the first time in a while which resulted in a blister on my fingertip. Almost immediately, there was fluid in it. Where does that fluid come from?
- What biological processes have aquatic mammals evolved to keep them healthy while still having significant body fat?
- What tectonic plate is this map showing in the Southern Atlantic?
- When we say something is "genetic", how do we know it actually is biological and not a result of similar environments shared by parents and offspring?
- How was the existence and composition of the interstellar medium discovered?
- What is a wrinkle? How do wrinkles look different at cellular level compared to smooth skin?
- If you filled a bottle with half air and half sulfur hexaflouride and shake it vigorously, would they mix permanently or would the SF6 eventually collect at the bottom and eventually stablilize itself after a certain period of time?
- Why didn't non-metals that are part of a covalent compound become an ion in the first place?
- Is it possible to kill blood-sucking insects through drugs present in the bloodstream?
- Why does running hot water sound different to running cold water? Is it just the density or surface tension changes that make hot water sound smoother?
- Have species native to the Pacific Ocean taken advantage of the Panama Canal to spread to the Caribbean Sea (and vice versa) or have measures been put in place to prevent this?
- What are the prevailing theories for the ultimate fate of the Universe?
- Why do hamsters become flat when extremely relaxed? Does this occur in other rodents as well?
- Would you burn more fat while sleep if you were in a very hot room or a very cold room?
- How did the predynasic Egyptian culture create pottery out of materials such as Diorite with such precise curves both interior and exterior as well as create such a smooth surface?
- Do worms have a front and back? Do they prefer laying on one side versus another?
- What was the climate like on Pangaea? Were there any strange (to us) weather phenomena due to all continents being merged together?
| Posted: 09 Nov 2019 11:37 AM PST |
| Posted: 09 Nov 2019 03:07 PM PST |
| Which of the basic forces of nature is the strongest? Posted: 10 Nov 2019 06:17 AM PST A few years ago my physics-chemistry teacher asked my class which of the 4 basic forces of nature was the strongest. I answered Gravity because of black holes. They are gravity at its maximum, and them being the most powerful things in the universe, it made sense to me that gravity would also be the strongest. However he corrected me and said it was actually the strong nuclear force the most powerful and that gravity was actually the weakest. So my question is: if strong and weak nuclear forces are technically more powerful than gravity, how can neutron stars come to exist? How can gravity overcome nuclear forces and start fusing the atoms in the core of the stars together in ways that are not "natural"? (I only know the very basics of what happens to create a neutron star, so if I'm saying something wrong, please feel free to correct me) [link] [comments]  |
| Why is the surface of the sun cooler than the corona? Posted: 10 Nov 2019 05:04 AM PST It seems the further you go away from the centre of the sun the hotter it gets [link] [comments]  |
| How come the transit of Mercury in front of the sun doesn’t happen more often? Posted: 10 Nov 2019 04:59 AM PST I just read that the transit of Mercury is coming up but it only happens about 13 times a century. If the planets are on the same plain, shouldn't the transit happen once for every orbit of Mercury? [link] [comments]  |
| Posted: 10 Nov 2019 12:17 AM PST |
| How is it possible for bamboo to grow so quickly? Posted: 09 Nov 2019 03:41 PM PST |
| Posted: 09 Nov 2019 10:17 PM PST |
| Posted: 10 Nov 2019 02:01 AM PST Obviously, high body fat in humans is very unhealthy. Many aquatic mammals, however, use high body fat to retain warmth, without degrading their health. What biological processes have these animals developed that allow them to avoid the problems that humans have with high body fat? Is there currently any research being done into these processes to see if there may be something we can adapt for human biology? [link] [comments]  |
| What tectonic plate is this map showing in the Southern Atlantic? Posted: 09 Nov 2019 03:02 PM PST Hey, I'm just a student who cares a lot about geology and cartography, and over the past several weeks I've been researching and mapping out several aspects of Earth's tectonics. On a page called "iflscience" I found the map in the Imgur link below. I had been looking into unconfirmed plates all around the globe, and when I saw the map I got confused because, on the zoom-out, they traced the shape of a plate id never heard of. It's marked in a red circle in the upper right-hand corner. If this is a rumored plate I'm surprised I haven't heard of it. If anyone has any info on it, even a suspected name, it'd be greatly appreciated. Its shown to neighbor the Nubian on its east, Sandwich on its west, SA on its north, and Antarctic on its south. Info such as, "the map was mislabeled" is also helpful, I just am trying to figure it out. [link] [comments]  |
| Posted: 09 Nov 2019 09:39 PM PST For example, depression is said to be genetic, but how can we be sure it is a result of inherited genes and not the fact that, say, a depressed parent will more likely raise a child in a similar environment that leads to depression? Not doubting research, just genuinely curious. [link] [comments]  |
| How was the existence and composition of the interstellar medium discovered? Posted: 09 Nov 2019 09:20 PM PST |
| What is a wrinkle? How do wrinkles look different at cellular level compared to smooth skin? Posted: 09 Nov 2019 08:48 AM PST |
| Posted: 09 Nov 2019 09:53 PM PST |
| Why didn't non-metals that are part of a covalent compound become an ion in the first place? Posted: 09 Nov 2019 09:20 PM PST If covalent compounds occur between non-metals in order to fill their shells, why didn't they just lose an electron and become an anion in the first place? [link] [comments]  |
| Is it possible to kill blood-sucking insects through drugs present in the bloodstream? Posted: 09 Nov 2019 08:52 AM PST If so, are there specific drugs at certain blood concentrations that would do this? My original thought was mosquitoes and opiates. [link] [comments]  |
| Posted: 09 Nov 2019 06:08 AM PST |
| Posted: 09 Nov 2019 08:06 AM PST |
| What are the prevailing theories for the ultimate fate of the Universe? Posted: 09 Nov 2019 10:18 AM PST I was reading the Wikipedka article on it this morning and was just wondering if someone could shed light on it. It basically seemed like there were two possibilities - Big Crunch or Big Freeze. That the Universe would either expand to a maximum point and collapse on itself or the temperature of the Universe would approach absolute zero and essentially become a barren wasteland. Is one of these more likely than the other? Are there other alternatives? [link] [comments]  |
| Why do hamsters become flat when extremely relaxed? Does this occur in other rodents as well? Posted: 09 Nov 2019 05:58 AM PST |
| Would you burn more fat while sleep if you were in a very hot room or a very cold room? Posted: 09 Nov 2019 08:18 AM PST My thought process would be that if you sleep in a very hot room, your temperature would cut the distance your body would need to meet an accelerated burn rate as far as calories. With sleeping in a cold room, your body would shiver and burn calories to try and keep your body temperature at 98.6 where it should be. Not sure which is closer to the truth. [link] [comments]  |
| Posted: 09 Nov 2019 03:49 PM PST |
| Do worms have a front and back? Do they prefer laying on one side versus another? Posted: 08 Nov 2019 10:30 PM PST I was wondering, since snakes will only crawl on their "belly", is there any particular way that worms will orient themselves, or does it not matter because they can move differently? [link] [comments]  |
| Posted: 08 Nov 2019 02:57 PM PST Since the ocean currents would behave differently, and the landmass was distributed less evenly, surely that affected the weather patterns. How was the climate of Pangaea different than the modern era? [link] [comments]  |
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