Is it a myth or a fact that dogs can "sniff" cancer? |
- Is it a myth or a fact that dogs can "sniff" cancer?
- If metals are such good conductors of heat, how does my cast-iron pan's handle stay relatively cool when the pan is heated?
- Does the temperature of a fluid affect its flow rate?
- How well do we know the solar system's orbital parameters around the galactic center? Could the solar system be following a somewhat eccentric orbit?
- Can people develop immunity to viruses after picking up the inactive virus from a surface?
- Does Hydrogen gas make good fuel for Hybrid rocket engines?
- Why does the length of immunity vary between different viruses?
- How does Fermilab run neutrino experiments with interference from the sun?
- Why is titration with weak acid and weak base rarely used as a method to determine the pKa value?
- Can plasma be generated inside a container with a gas that has relatively low ionization energy inside, through electromagnetic induction?
- Why do shrimp curl and become pinkish when cooked?
- How can you see satellites at night?
- What's the plan if a lithium ion batteries catches fire on an airplane?
- Why does a microwave oven induce dielectric heating while our various telecommunication technologies don't?
- What is R-parity of a particle?
- Do antibody test detect memory B cells after active anti bodies have subsided?
- How does the pupil get bigger and smaller?
| Is it a myth or a fact that dogs can "sniff" cancer? Posted: 19 Apr 2020 04:05 AM PDT Ive heard of it a long time ago, that dogs are able to detect/sniff/smell cancer but never knew whether that is true or if so where it originated from. Does anybody know? Im personally no expert with animals and biology but I doubt that dogs have the ability to do that. [link] [comments]  |
| Posted: 18 Apr 2020 09:04 AM PDT |
| Does the temperature of a fluid affect its flow rate? Posted: 19 Apr 2020 06:24 AM PDT Assume you have two containers containing two identical fluids at different temperatures, you puncture a hole in both of them, same size and place, will the colder fluid flow out slower than the hotter one or will they flow out at the same rate? [link] [comments]  |
| Posted: 19 Apr 2020 04:18 AM PDT If we do know the orbital parameters -- what are they? Is it a simple elliptical orbit or do gravitational interactions along the way make it significantly deviate from a simple Kepler orbit? If it is a simple Kepler orbit what are the parameters? Apoapsis, periapsis, inclination, etc. I'm geniunely curious. I googled for it for about 20 minutes and it seems to me like all we really sort-of-know is our speed relative to the galactic center, and from that we are assuming the orbit is roughly circular -- but we do not know more than than that (and we don't even know our own speed with great precision). Is that a fair summary? [link] [comments]  |
| Can people develop immunity to viruses after picking up the inactive virus from a surface? Posted: 18 Apr 2020 05:38 PM PDT If someone with a cold or other virus touches a shopping trolley and then I pick up that virus three days later when it has become inactive, would my immune system react to it? Why does the immune system react to dead viruses from a vaccine? [link] [comments]  |
| Does Hydrogen gas make good fuel for Hybrid rocket engines? Posted: 18 Apr 2020 06:36 PM PDT |
| Why does the length of immunity vary between different viruses? Posted: 18 Apr 2020 05:17 PM PDT |
| How does Fermilab run neutrino experiments with interference from the sun? Posted: 18 Apr 2020 09:35 PM PDT There's a PBS Space Time video describing a neutrino detection experiment at Fermilab. During the video they describe making a beam that shoots 10 trillion neutrinos per second into a detector: https://www.youtube.com/watch?v=zw2TYNY3F8U&t=3m58s However, I've read that trillions of neutrinos per second already pass through your that came from the sun: https://icecube.wisc.edu/news/view/546 How are the neutrinos from space not drowning out the neutrinos from the beam? [link] [comments]  |
| Why is titration with weak acid and weak base rarely used as a method to determine the pKa value? Posted: 19 Apr 2020 03:32 AM PDT |
| Posted: 19 Apr 2020 03:11 AM PDT If a coil with very high current running through it was wrapped around a closed tube with argon or hydrogen inside, would it generate a plasma inside the tube? [link] [comments]  |
| Why do shrimp curl and become pinkish when cooked? Posted: 19 Apr 2020 02:59 AM PDT |
| How can you see satellites at night? Posted: 18 Apr 2020 09:47 PM PDT I'm sitting in my back yard and wondering what light satellites reflect to us at night. [link] [comments]  |
| What's the plan if a lithium ion batteries catches fire on an airplane? Posted: 18 Apr 2020 06:33 AM PDT A lot of the regulations require you to take your batteries on as a carry-on instead of checking them. That begs the question, do they have some kind of containment box to isolate the battery from the plane? Obviously they would try to land the plane as soon as possible but are there other procedures? [link] [comments]  |
| Posted: 18 Apr 2020 01:52 PM PDT I hope I asked that right. In other words, why don't birds get cooked by radio towers? [link] [comments]  |
| What is R-parity of a particle? Posted: 18 Apr 2020 05:27 AM PDT Isn't it related to weather a particle will decay or not and it's "spin"? [link] [comments]  |
| Do antibody test detect memory B cells after active anti bodies have subsided? Posted: 18 Apr 2020 12:21 PM PDT From what I understand, antibodies are only present in the body during the infection (and remain in the body for about 2 weeks post infection). After the infection (or virus) has been defeated the anti bodies leave and memory B cells take their place. So how do antibody tests work? Wouldn't they be effectively ineffective after the antibodies leave? Or are they able to detect the presence of memory B cells? I'm specifically thinking of how the COVID-19 antibody test would work to identify folks who have had it in the past. Cheers in advance folks [link] [comments]  |
| How does the pupil get bigger and smaller? Posted: 17 Apr 2020 10:40 PM PDT Are the edges of it being covered by the iris? If so, where does the iris go when the pupils need to widen? [link] [comments]  |
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