The ocean is full of plastics: What are the primary sources of these plastics? |
- The ocean is full of plastics: What are the primary sources of these plastics?
- How do planes know that they are being targeted?
- Theoretically, could I perfectly vertically balance a string?
- When voltage is increased across a conductor, resulting in more current, is the number of moving charges increased, or are charges moving at a higher velocity, or both?
- How does the air get „sucked“ into our lungs when we breath?
- Could atoms composed of only neutrons exist?
- Would a rainbow in the sky have the same degree of curvature if the Earth was flat?
- How much do ones internal organs move around?
- Do objects physically change the wavelength of light or just absorb certain wavelengths and reflect others?
- Why is it that there are no green stars?
- Why don't brown dwarfs collapse into white dwarfs?
- Will our sun - after it goes white dwarf - just evaporate into nothing? Could it possibly become so cold, it forms a rocky stellar mass or a crust, like a planet?
- Would an X0 female (Turner Syndrome) and an XY male with a defective SRY gene be phenotypically the same?
- How to doctor's know they removed 100% of the cancer in someone after surgery?
- Are QFT And String Theory Opposed To One Another?
- How come over the counter medication offers to reduce fever, but fever is the product of our immune system?
- Is there a physical / mental difference between a medically-induced coma, and a "regular" coma?
- Why do cells die from low oxygen?
- What are evolutionary drugs? I was confused by this infographic
| The ocean is full of plastics: What are the primary sources of these plastics? Posted: 29 Mar 2019 03:59 PM PDT Context: Lots of places are banning plastic bags and plastic straws and rarely also microbead soaps. That's well and good, but I don't know the source of the plastics in the ocean... as per that study that suggested that 60% of ocean life had plastic in their guts. (I can't find the original article). And then there's the DEEP ocean ... what is the nature of the plastic that's getting there? [link] [comments]  |
| How do planes know that they are being targeted? Posted: 29 Mar 2019 01:50 PM PDT |
| Theoretically, could I perfectly vertically balance a string? Posted: 29 Mar 2019 08:16 PM PDT |
| Posted: 29 Mar 2019 08:55 PM PDT How is the answer different between metallic conductors, semiconductors, and electrolytes? [link] [comments]  |
| How does the air get „sucked“ into our lungs when we breath? Posted: 29 Mar 2019 03:22 PM PDT |
| Could atoms composed of only neutrons exist? Posted: 29 Mar 2019 11:07 PM PDT |
| Would a rainbow in the sky have the same degree of curvature if the Earth was flat? Posted: 29 Mar 2019 04:52 PM PDT |
| How much do ones internal organs move around? Posted: 29 Mar 2019 07:34 AM PDT Are they more or less just dangling or floating in liquid, or are they firmly supported from all sides? Does it vary very much from organ to organ? Can you damage your other organs the same way you can damage your brain by rapid motion and impact of organ on bone, ie rib, skull(rather than just external blunt force)? Are there any drastic, interesting differences between certain human vs animal organs? [link] [comments]  |
| Posted: 29 Mar 2019 08:09 AM PDT Also, how is light physically absorbed? What happens to it? Does it just hit the electrons and cause them to vibrate more? [link] [comments]  |
| Why is it that there are no green stars? Posted: 29 Mar 2019 04:15 PM PDT |
| Why don't brown dwarfs collapse into white dwarfs? Posted: 29 Mar 2019 03:42 PM PDT This was asked on /r/space and I was hoping some experts here could answer. At the end of a red dwarf's life, even the lowest mass red dwarfs are expected to become white dwarfs after fusion stops. What is the difference between a dead red dwarf and a slightly less massive brown dwarf after it stops fusing deuterium, that allows the red dwarf to collapse into an Earth-sized white dwarf, while the brown dwarf does not collapse and stays roughly the size of Jupiter? I assume the small difference in mass isn't the reason, so does it have something to do with the fact that a dead red dwarf is made mostly of helium while a brown dwarf is mostly hydrogen? If you could gather 70 Jupiter masses of helium together to try to form a helium brown dwarf, would it become a white dwarf instead? [link] [comments]  |
| Posted: 29 Mar 2019 07:37 AM PDT |
| Posted: 29 Mar 2019 07:43 AM PDT |
| How to doctor's know they removed 100% of the cancer in someone after surgery? Posted: 29 Mar 2019 09:07 AM PDT |
| Are QFT And String Theory Opposed To One Another? Posted: 29 Mar 2019 09:05 AM PDT This question is somewhat simple, I recently watched this lecture about Quantum Field Theory, and as I understood it, QFT is meant to answer the question: "What are the fundamental building blocks of nature?", and it came to my mind, String Theory also tries to answer that same question. But are the two of them opposed to each other? I mean, if I understood QFT correctly, the whole idea behind it , is that all particles in existence are the results of ripples in their respective Quantum Field, so Electrons and Photons are ripples in the Quantum Electromagnetic Field, Quarks are ripple in the Quantum Quark Fields etc. etc. But doesn't that idea clash with String Theory? I watched this video about ST, and if I understood Brian Greene correctly, String Theory states that all particles (and forces associated with those particles) are the results of Fundamental Strings vibrating in different ways, so if one of these strings vibrates in manner A the resulting particle is an Up Quark, if said strings vibrates in manner B the result is a Down Quark etc. etc. Aren't these two thoughts against each other? Please let me know if I misunderstood one or both theories. [link] [comments]  |
| Posted: 29 Mar 2019 07:20 AM PDT When encountering a pathogen, the human body intentionally warms up past 37°C in order to make it harder for said pathogen to function, spread etc. Why is it that over the counter medication, like paracetamol, aims to reduce fever? Isn't fever a good thing? And shouldn't it be maintained to get rid of the intruder? [link] [comments]  |
| Is there a physical / mental difference between a medically-induced coma, and a "regular" coma? Posted: 29 Mar 2019 05:24 AM PDT And do people in the different types of coma have different experiences? This was prompted by an AskReddit thread asking about the experiences people have had in comas; most of the respondents had been in medically-induced comas, and it made me wonder about the differences. [link] [comments]  |
| Why do cells die from low oxygen? Posted: 29 Mar 2019 06:44 AM PDT As far as found out from google, cells need oxygen to produce ATP , and necrose on low ATP levels. So why do cells do that? Why dont they just 'stand by' till they get more oxygen? [link] [comments]  |
| What are evolutionary drugs? I was confused by this infographic Posted: 29 Mar 2019 07:41 AM PDT In the this infographic https://imgur.com/a/HjF2P The first one, the green one, step 6 of Anti-Aging Genetic engineering is "developing evolutionary drugs using artificial selection to create symbiotes that increase lifespan. What does this mean? What does this entail? What are evolutionary drugs and symbiotes. [link] [comments]  |
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