Are modern humans stronger or more athletic than our pre-agricultural counterparts? |
- Are modern humans stronger or more athletic than our pre-agricultural counterparts?
- Why is a cooling tower in a Nuclear power plant, the shape that it is?
- What exactly does it mean for the electromagnetic force to be carried by photons?
- How does Proteinase K avoid eating itself?
- Why did RMBK reactor had graphite-tipped control rods?
- If somebody shot an atom-sized bullet at you, would it actually hit you or go right through? And if not, how big does a bullet have to be for it to hit you?
- Palm trees are really topheavy. Why do they resist breaking so much better than deciduous trees like poplars?
- Why do the outsides of cold drink get wet?
- Do we have an idea\hypothesis on how did chromosomes appear?
- Are there any known K-Type stars in the Pleiades cluster?
- What impact do chromosomal disorders have on transplant surgeries?
- What kind of effect does global warming have on volcanoes?
- why is there no volcanism on the western side of the African-Eurasian plate boundary?
- How can we guarantee the absence of collisions when hashing files that are larger than the output hash length?
- I'm curious about Jupiter's magnetosphere. Does the Jupiter's magnetic field affect Earth?
- Why do we see quark mixing between down, strange, and bottom, but not up, charm, and top?
- Is there a theoretical limit to the magnification capabilities of telescopes?
- Why are feces all the same relative looking color across different species of animals?
| Are modern humans stronger or more athletic than our pre-agricultural counterparts? Posted: 26 May 2019 08:47 PM PDT |
| Why is a cooling tower in a Nuclear power plant, the shape that it is? Posted: 26 May 2019 05:05 PM PDT |
| What exactly does it mean for the electromagnetic force to be carried by photons? Posted: 27 May 2019 05:00 AM PDT When magnets attract or repel each other, are they literally exchanging photons? Can they be detected, or blocked? What is actually causing the acceleration? When an electron is attracted to a proton are they creating and absorbing photons, and what does this have to do with an electron absorbing a photon and moving up in energetic states? What's the difference between positive and negative charge with respect to photons? Finally, what does it even mean for a force to be carried by a particle? I don't understand the mechanism behind this at all. [link] [comments]  |
| How does Proteinase K avoid eating itself? Posted: 27 May 2019 06:13 AM PDT A protein that digests proteins, but does not get digested by itself. [link] [comments]  |
| Why did RMBK reactor had graphite-tipped control rods? Posted: 27 May 2019 02:19 AM PDT As you might expect, I started watching the Chernobyl series, and got enough explanation as why the disaster happened. [link] [comments]  |
| Posted: 26 May 2019 08:52 AM PDT |
| Posted: 26 May 2019 05:51 PM PDT |
| Why do the outsides of cold drink get wet? Posted: 26 May 2019 07:27 PM PDT |
| Do we have an idea\hypothesis on how did chromosomes appear? Posted: 26 May 2019 11:05 AM PDT My understanding is that prokaryotes have a single DNA ring\strand, while most eukaryotes have essentially multiple DNA molecules contained in a nucleus. My question is basically "how did this happen". I tried googling "how did chromosomes evolve" and such, but couldn't find an answer. If I had to guess, I'd say "the DNA probably got so big it broke in two, then it happened again multiple times", but that's just a guess. So I came here to ask those who know. I imagine having a cell nucleus has something to do with it, but I'm not sure which came first: chromosomes or the nucleus? Did the nucleus evolve to store the broken pieces of DNA, or did nucleus evolve for something else (Guarding own DNA against mtDNA? Idunno), and then DNA had to break down into smaller pieces (just because it could now, or to be able to get out of the nucleus? I admit my grasp on the inner workings of a cell is sketchy, I'm a layman). [link] [comments]  |
| Are there any known K-Type stars in the Pleiades cluster? Posted: 26 May 2019 02:03 PM PDT I'm working on a project that takes place at an orange dwarf star in the Pleiades cluster. The thing is, I'm trying to stay as realistic as possible and want to use a star that is already known, rather than making one up. I've tried searching on Google, using Space Engine's star browser, and others but I didn't find any results. I've tried using the Gaia archive too but I didn't really understand how to use it. So, has an orange dwarf been discovered in the Pleiades? [link] [comments]  |
| What impact do chromosomal disorders have on transplant surgeries? Posted: 26 May 2019 08:43 AM PDT For example, how would an organ transplant work for a person with Down Syndrome? I tried doing research on this but could only find recent case studies so any other sources would be greatly appreciated. Thanks! [link] [comments]  |
| What kind of effect does global warming have on volcanoes? Posted: 26 May 2019 11:27 AM PDT |
| why is there no volcanism on the western side of the African-Eurasian plate boundary? Posted: 26 May 2019 08:34 PM PDT |
| Posted: 26 May 2019 02:01 PM PDT For example, when hashing an 800 bit (100 byte) file with a hashing algorithm that produces hash values of 512 bits. There are 2800 possible variations of the input file, but only 2512 possible output hash values. How can the one-to-one property of hashing algorithms hold up when hashing each possible variation of the input 100 byte file, let alone files with GB or TB sizes? [link] [comments]  |
| I'm curious about Jupiter's magnetosphere. Does the Jupiter's magnetic field affect Earth? Posted: 26 May 2019 05:41 PM PDT |
| Why do we see quark mixing between down, strange, and bottom, but not up, charm, and top? Posted: 26 May 2019 05:19 PM PDT Is it just convention that we describe the |q| = 1/3 quarks as mixing, and the |q| = 2/3 as static, or is there some reason that we see a difference between the two sets? [link] [comments]  |
| Is there a theoretical limit to the magnification capabilities of telescopes? Posted: 26 May 2019 07:21 AM PDT |
| Why are feces all the same relative looking color across different species of animals? Posted: 26 May 2019 05:01 AM PDT Regardless of feeding behavior it seems that excrements do share a common brown-ish color. I heard it has to do something with blood cells. [link] [comments]  |
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