- When Pangea divided, the seperate land masses gradually grew further apart. Does this mean that one day, they will again reunite on the opposite sides? Hypothetically, how long would that process take?
- All the depictions of Pangea that I've seen show one landmass on one side of the globe. What if anything is on the other side? Or, did the landmass span around the globe and the representation is just for simplicity of illustration?
- Why does air humidity make temperature feel hotter?
- Why is there a big gap in salamander range between southern China and Manchuria?
- Are Mosquito Effected by Drug Content in Blood?
- Why aren’t/can’t non-recyclable plastics be processed and used as aggregate in construction applications?
- Is it possible to detetc canine distemper virus with a pregnancy test?
- How did organisms find themselves with different numbers of chromosomes from species to species? Humans have 46 while fruit flies have 8.
- Is water subducted along with crust?
- Does water, in its liquid state, exist as H2O molecules or H+ and OH- ions?
- Why do radio signals of the same frequency not mix, but rather, one overpowers the other?
- How are annual meteor showers annual?
- How does the process for using cream of tartar to remove silver tarnish work?
- Why can't herbivores eat meat, and why can't carnivores eat plants?
- What are the current roadblocks to creating practical quantum computers?
- Are there places where glaciers are growing?
- Do oranges and vitamin C actually help agaisnt colds or is this just one of those wide spread missinformations?
- How do they 3D print things in space if there is no gravity to hold it down?
- Why do we have ulna AND radius ? Is it something with shock absorbing ?
- Why did the oxygen levels changed so wildly in the Carboniferous period?
- How do doctors get the blood pressure of patients with amputated limbs?
- Does every galaxy have a supermassive black hole?
- What happens to the adrenal gland during a kidney transplant?
| Posted: 14 Aug 2018 09:01 PM PDT |
| Posted: 15 Aug 2018 04:59 AM PDT |
| Why does air humidity make temperature feel hotter? Posted: 14 Aug 2018 07:41 PM PDT Does it have something to do with making the air more thermal conductive? Or something else? [link] [comments]  |
| Why is there a big gap in salamander range between southern China and Manchuria? Posted: 14 Aug 2018 09:38 PM PDT According to Wikipedia's salamander range map, there is a discontinuity in salamander range. They don't inhabit a large core area of north China, but they inhabit areas to its north (Manchuria) and south. The article says their Old World habitat is Holarctic, and Wikipedia's Holarctic map fully covers north China. [link] [comments]  |
| Are Mosquito Effected by Drug Content in Blood? Posted: 14 Aug 2018 10:49 AM PDT If someone takes medication like Aderall, and then a mosquito sucks their blood, does the drug (amphetamines in this case) have any effect on the mosquito sucking it? Would a mosquito become drunk from drinking blood with a high alcohol content? [link] [comments]  |
| Posted: 14 Aug 2018 07:52 PM PDT |
| Is it possible to detetc canine distemper virus with a pregnancy test? Posted: 14 Aug 2018 10:13 PM PDT My vet recommend me to aply a CDV test to my dog cause he has a runny nose (clear, aqueous snot) constantly sneeze, and sometimes reverse sneeze. I thought it was flue or allergy, but my vet told me to make the test just to be sure despite my dog is vaccinated against the virus. Anyway, I boarded the "omg, my dog probably has CDV, he's going to die" train and ask my vet to do the test. Latter he came with a pregnancy test and I was like "wtf, that's a pregnancy test", but he told me it worked for CDV too, a was really anxious and wasn't thinking straight and told him "yeah, whatever you're the vet, I don't want my dog to die". The test was performed with a snot and ocular fluid sample, with a negative result at the end. He told me "ok, seems like is just a flue" and I go home with a prescription for the flue. Then I remember the little I learned about antibodies in college and read about how pregnancy tests work, antigens, antibodies and shit. And now it seems to me that my vet trick me to get some extra money, or he simply doesn't know what he is doing, also I'm worried again about my dog. tl;dr: my vet applied a pregnancy test to my dog to detect canine distemper virus, and now I think he trick me to get extra money or he doesn't know what he is doing. Can that work? [link] [comments]  |
| Posted: 14 Aug 2018 06:17 PM PDT I have been trying to do some reading and asking around about the following question, but I feel like I am confused, probably because I am missing an important point or five: So, through the slow processes of evolution, new genes arise out of mutations, where new gentic information can be introduced into DNA and ultimately the gene pool. What I do not understand is how organisms have a different number of chromosomes differing species to species. How is it that a unit as large as a chromosome, packed with an immense amount of genetic information, varies among the plant and animal world? Is a chromosome added or reduced suddenly, or introduced/chipped away gradually over time, becoming a new, or lost chromosome? If an additional chromosome is added or taken out in the next generation, how could that animal survive? Down syndrome, where organisms have an additional chromosome due to issues with crossing-over, are in almost all cases mentally inequipt to survive the dangers of life. A reduction of an entire chromosome can also have many ill-effects. In addition, organisms that have different chromosomes are unable to mate and produce viable offspring when mating with an orgnasm of another species, due to the different number and types of chromosomes. So, how is it that if an orgasim survived a change in the number of chromosomes where able to pass that new line of genetic information on, if the number of chromosomes dictates what can breed and what can't? I'm obviously missing some important, fundamental information. [link] [comments]  |
| Is water subducted along with crust? Posted: 15 Aug 2018 05:26 AM PDT At the marianas trench, for example, ocean crust is subducted down into the mantle. I was wondering if water goes along with the crust. Follow ups:
[link] [comments]  |
| Does water, in its liquid state, exist as H2O molecules or H+ and OH- ions? Posted: 15 Aug 2018 05:12 AM PDT |
| Why do radio signals of the same frequency not mix, but rather, one overpowers the other? Posted: 14 Aug 2018 02:03 PM PDT For clarity: I live in between the ranges of two radio broadcasts of the same frequency, often when I am listening to one, the other takes over; why wouldn't the signals always combine to form an amalgamation of both broadcasts? [link] [comments]  |
| How are annual meteor showers annual? Posted: 14 Aug 2018 03:05 PM PDT |
| How does the process for using cream of tartar to remove silver tarnish work? Posted: 14 Aug 2018 01:25 PM PDT The process is described here: https://www.stain-removal-101.com/homemade-silver-cleaner.html The short summary is that dissolved cream of tartar in water when there's silver and aluminum in the water and touching each other cleans off tarnish from the silver. How does this work? Given that the aluminum and silver need to be in contact, it seems like this is some sort of battery-like process. [link] [comments]  |
| Why can't herbivores eat meat, and why can't carnivores eat plants? Posted: 15 Aug 2018 01:21 AM PDT Is there a fundamental difference in the digestion process? Is it psychological? I know very little about animal anatomy or biology, but I would love to learn more! [link] [comments]  |
| What are the current roadblocks to creating practical quantum computers? Posted: 14 Aug 2018 07:22 PM PDT |
| Are there places where glaciers are growing? Posted: 14 Aug 2018 12:11 PM PDT |
| Posted: 14 Aug 2018 02:59 PM PDT |
| How do they 3D print things in space if there is no gravity to hold it down? Posted: 14 Aug 2018 05:41 PM PDT |
| Why do we have ulna AND radius ? Is it something with shock absorbing ? Posted: 14 Aug 2018 03:19 PM PDT |
| Why did the oxygen levels changed so wildly in the Carboniferous period? Posted: 14 Aug 2018 11:14 AM PDT I'v seen some videos that got me extra curious. From what i understand in very basic fashion is that somehow the trees 'evolutionized' this lignin stuff and started wrapping themselves in it like growing bark, except this bark grew like a mf and averaged like 1 part actual tree and 8 parts bark around it (max 20-1) . this made trees like towers and when they did finally outgrew themselves and fall over non of the decomposing stuff that was around could get through the bark. this made carbon rise and oxygen to rise and then animals and insects started getting huge. after a while the decomposing stuff learned how to eat lignin and stuff setelled. Now this right here i don't get, every living thing has that evolution story of how it managed to get by, like fins, gills, wings and such, but usually these changes help the species like get by more easily or bump them up 1 or 2 in a few cases to the top of the food chain. Lignin f'ed up the world for like 60 million years, can anyone provide like a not heavy on chemistry explanation about how long did it take decomposeroids to learn how to eat lignin, how did the trees came up with that insane stuff in the first place..??? [link] [comments]  |
| How do doctors get the blood pressure of patients with amputated limbs? Posted: 14 Aug 2018 06:57 AM PDT |
| Does every galaxy have a supermassive black hole? Posted: 14 Aug 2018 01:11 PM PDT I came across this article and it had me wonder, "doesn't every galaxy have a supermassive black hole at the center?". I'm assuming I'm wrong here, is there one that has no black hole at the center? [link] [comments]  |
| What happens to the adrenal gland during a kidney transplant? Posted: 14 Aug 2018 02:45 PM PDT I read that the donor's adrenal gland is left behind, but is the recipient's gland somehow reconnected? If not, do patients experience problems with adrenal fatigue with one gland that has to work extra? [link] [comments]  |
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