Does chewing release pleasure neurotransmitters in dogs? | AskScience Blog

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Sunday, September 2, 2018

Does chewing release pleasure neurotransmitters in dogs?

Does chewing release pleasure neurotransmitters in dogs?


Does chewing release pleasure neurotransmitters in dogs?

Posted: 01 Sep 2018 07:53 PM PDT

I'm watching my dog chew on an antler, and he's doing it so intensely and for so long that I assume he must get some sort of benefit out of it. If it does stimulate release of a chemical, which one is it? Dopamine?

submitted by /u/chocolatem00se
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Do dark surfaces contribute to climate change?

Posted: 01 Sep 2018 04:55 PM PDT

Dark surfaces meaning asphalt-paved roads, dark roofs, &c.

submitted by /u/SpenTN
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Does a substance at -1°C and the same substance at 1°C heat up and cool off at the exact same rate when placed into an environment that is 0°C?

Posted: 01 Sep 2018 12:45 PM PDT

Can metals be transparent? If not what quality do substances like glass have that allow them to be transparent?

Posted: 01 Sep 2018 11:36 AM PDT

Is it possible there are naturally occurring, stable, muon based "isotopes" for elements beside hydrogen?

Posted: 01 Sep 2018 07:07 AM PDT

Muonium (an antimuon and an electron) and the theoretical "True Muonium" or Muononium (antimuon and muon) are sometimes considered isotopes of hydrogen, but are both short lived.

Can other muon based elements such as carbon exist, and if so, under what conditions might they occur in the universe?

submitted by /u/Faradizzel
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So does an electron exist as a standing wave, or not?

Posted: 01 Sep 2018 06:27 AM PDT

I'm begun studying quantum mechanics in university and I'm stumped.

In 1923, de Broglie postulated that just like how light can be quantized into photons, and thus act as both a particle and a wave, all matter displays wave-particle duality. Numerous sources online say that de Broglie also proposed that electrons, who would possess wave-like properties thus exist as standing waves, interfering with themselves as they move around the nucleus. As standing waves have specific frequencies for them to form, this would explain how electrons can only exist at discrete energy levels.

My question is : electrons definitely do not exist as standing waves do they? They exist within a cloud of probability density, where their charges are somewhat smudged out, not really in one place. I'm not interested in what an electron looks like or its position, but if electrons are standing waves, then how does that play into the formation of orbitals?

Other sources say that electrons do not exist as standing waves, but are merely a good analogy for how the electron really works. Others state that the standing waves are the results of calculating through Schrodinger's equation, whatever that means. But aren't orbital shapes the result of the equation? Does that mean that orbitals are 3D standing waves?

I've realized that in studying quantum mechanics, lots of times things are said to be facts, then on a deeper level it's more of a "gotcha, it's actually false but I said it was what it was so you could understand THAT, THEN I can say its false when you really dig deeper." I'm doubting whether or not I'm just not all that bright.

Please shed some light on this. Thank you for any clarification given!

submitted by /u/Xeldith
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