If I plant a garden of vegetables near a busy street, will my vegetables absorb pollution from the vehicles driving by? |
- If I plant a garden of vegetables near a busy street, will my vegetables absorb pollution from the vehicles driving by?
- Could there exist a planet made completely out of water?
- Can a DNA test determine your nationality or origin?
- Is the 7.9 earthquake in Alaska related in any way to the recent eruption of Mount Mayon in the Philippines?
- Why do most earthquakes not cause Tsunamis, but some do?
- What causes drastic temperature changes day to day?
- Is it possible to test a sample of ashes for organic substances, such as human remains?
- If I suspended two large masses in space sufficiently far apart such that they were not moving relative to one another, could I tether them and use the expansion of space between the objects to generate energy?
- What makes the Magnetic South Pole and the Geomagnetic South Pole seperate locations, and why are they seperate?
- In terms of electron excitement, how does black work?
- We can focus and reflect visible light. Can we focus and reflect other wavelengths like x-rays and microwaves?
- What properties of water make it such an efficient radiation shield?
- Why do ice cubes seemingly fuse together when put in a water bath, for example. And how does this occur?
- Is the body able to process 100 % of caloric intake, or is there bypass?
- Why don't we all get Dementia or Alzheimer's? They wouldn't be stopped by natural selection, they happen after middle age, usually
- If different races aren't like different dog breeds, what are they and is "race" even real?
- During ice ages large amounts of water was locked up in the poles. Did this increase the salinity of the water remaining in the oceans?
- Why does oxygen make meat go bad, but not living things?
- Why are there no more big bangs happening?
- Can pinpointing where a headache is on your head help tell you the cause of the headache?
- Why are there relatively few mammal species native to South America, despite the continent's diverse biomes and otherwise lavish wildlife?
- Are there ever actually caves behind waterfalls?
| Posted: 22 Jan 2018 08:37 PM PST I wonder if the plants would have some way to counteract pollutants that are in the air (specifically: vehicle emissions & synthetic, residual dust from vehicle-tire disintegration). Or, If when I go to eat my kale or whatever vegetables... I am actually eating more pollution than I would if I bought it from the store. Thanks [link] [comments]  |
| Could there exist a planet made completely out of water? Posted: 22 Jan 2018 07:30 PM PST |
| Can a DNA test determine your nationality or origin? Posted: 23 Jan 2018 03:21 AM PST There are various DNA tests which claim that they can track your nationality or origin. How possible is that? If it is, how specific can they be? For instance, can they find if a person is European or African? If the above is true, can they be even more specific? For example can it distinct if a person is Swedish or German? [link] [comments]  |
| Posted: 23 Jan 2018 05:15 AM PST |
| Why do most earthquakes not cause Tsunamis, but some do? Posted: 23 Jan 2018 06:14 AM PST |
| What causes drastic temperature changes day to day? Posted: 23 Jan 2018 03:55 AM PST The tilt of the earth causes seasons, but why can one day be freezing and the next be mild or warm? [link] [comments]  |
| Is it possible to test a sample of ashes for organic substances, such as human remains? Posted: 22 Jan 2018 07:45 PM PST For example, if a sample of ash was taken with burned wood matter and human remains mixed in, would it be possible to test the ash and come to the conclusion that a human had been burned to death in the area? I realize this is probably a silly question to ask, given that once burned, it is difficult to test for DNA from ashes. So the question is more can it be identified as human remains than can DNA be found. I'm trying to write something realistic about this in a story of mine, the scenario being some people were murdered by magic flames that burned them to ashes instantly and an investigative force is testing the ash to see what it is comprised of. [link] [comments]  |
| Posted: 22 Jan 2018 03:48 PM PST If two large objects were tethered to one another and a generator were attached to a string in the middle could you accelerate the two objects towards one another as space expands in between them and use this acceleration to generate energy from the work done? Where does this energy come from and is it dark energy? How much energy could you make with say, 1000kg objects 1 light-year apart? 1000 light-years? (I'm not sure at what scale the expansion of space starts beating the gravitational pull) [link] [comments]  |
| Posted: 22 Jan 2018 04:17 PM PST Was watching CGPGrey's video Who Owns Antarctica? (Bizarre Borders Part 3) and noticed that when he made a quick mention that there was more than one "South Pole", there was a Magnetic South Pole, and a Geomagnetic South Pole. What's the difference between Magnetic and Geomagnetic, and why are the two in seperate locations? [link] [comments]  |
| In terms of electron excitement, how does black work? Posted: 23 Jan 2018 04:56 AM PST The past two lessons in my A Level Chemistry course have involved the excitement of electrons in d-orbitals to a higher energy level and then emitting a wavelength of visible light, resulting in us seeing colours in transition metal solutions, but how does black work? My thought was that electrons don't get excited enough to get to a higher energy level to emit a wavelength of visible light. Sorry if wording is terrible, I'm not really sure how to phrase this. [link] [comments]  |
| Posted: 22 Jan 2018 10:39 PM PST What sort of material can be used to focus and reflect wavelengths that are much longer and shorter than the visible spectrum? [link] [comments]  |
| What properties of water make it such an efficient radiation shield? Posted: 22 Jan 2018 03:06 PM PST I've seen pictures of nuclear plants using pools of water as a radiation shield, why is that? Ex. https://www.bcm.edu/bodycomplab/Radprimer/radpenetration.htm [link] [comments]  |
| Posted: 22 Jan 2018 10:25 PM PST |
| Is the body able to process 100 % of caloric intake, or is there bypass? Posted: 22 Jan 2018 09:45 PM PST |
| Posted: 22 Jan 2018 05:43 PM PST |
| If different races aren't like different dog breeds, what are they and is "race" even real? Posted: 22 Jan 2018 02:17 PM PST |
| Posted: 22 Jan 2018 10:26 PM PST |
| Why does oxygen make meat go bad, but not living things? Posted: 22 Jan 2018 07:52 PM PST |
| Why are there no more big bangs happening? Posted: 22 Jan 2018 08:31 PM PST |
| Can pinpointing where a headache is on your head help tell you the cause of the headache? Posted: 22 Jan 2018 07:57 AM PST |
| Posted: 22 Jan 2018 04:33 PM PST |
| Are there ever actually caves behind waterfalls? Posted: 22 Jan 2018 07:33 AM PST If there's a waterfall in a video game, chances are that there's a secret behind it. How often does this actually happen? I imagine the running water would erode the rock and fill the cave. [link] [comments]  |
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