What is happening in my body when I rest in between sets at the gym? Why does resting longer allow me to lift more the next set? | AskScience Blog

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Sunday, July 29, 2018

What is happening in my body when I rest in between sets at the gym? Why does resting longer allow me to lift more the next set?

What is happening in my body when I rest in between sets at the gym? Why does resting longer allow me to lift more the next set?


What is happening in my body when I rest in between sets at the gym? Why does resting longer allow me to lift more the next set?

Posted: 28 Jul 2018 11:46 PM PDT

Is there a reason, either mechanically or hydrodynamically, that a ship couldn’t have its propeller in the front, instead of behind? E.g. as a ‘puller,’ like a plane, rather than a ‘pusher?’

Posted: 28 Jul 2018 12:07 PM PDT

Does the moon have the same affect on clouds as it does the ocean?

Posted: 28 Jul 2018 04:43 PM PDT

Is ice a rock?

Posted: 28 Jul 2018 12:07 PM PDT

Electron vs light microscope resolution, how does shorter wavelength achieve a higher resolution?

Posted: 29 Jul 2018 03:14 AM PDT

Electron Microscopes use electron beams which are at a higher energy and thus have a shorter wavelength than light microscopes using light, and this leads to a higher resolution.

Why is it wavelength and not amplitude that dictates the resolution of the probe?

Is amplitude dependent on energy level, and therefore electron waves have a shorter wavelength and subsequently shorter amplitude?

Thanks in advance

submitted by /u/WILMANATOR
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How was Fermat's Last Theorem eventually proved?

Posted: 28 Jul 2018 01:09 PM PDT

I am more looking for an overview than an in-depth answer, as I know its extremely complicated.

submitted by /u/Aoioa
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A material's electrical resistance increases as its temperature increases. Is this relationship still true after the material changes state?

Posted: 29 Jul 2018 07:40 AM PDT

For example if the resistance of copper increases as the temperature increases but the copper then melts, what will happen to the resistance?

submitted by /u/Forya_Cam
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The Median Nerve branches to innervate three fingers. How is possible to move each finger independently and "select" for a specific neuronal branch?

Posted: 28 Jul 2018 03:40 PM PDT

My initial assumption is that when a neuron is branched (has more than one end point), that all branches would be stimulated simultaneously. However, if this were true in the example provided, this would mean all three fingers would move simultaneously. What mechanisms, then, are in place to selectively stimulate specific neuronal branches?

submitted by /u/Spill_the_Tea
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What did dinosaur genitals look like?

Posted: 28 Jul 2018 07:41 AM PDT

Every cgi T Rex or Triceratops that I've ever seen just looks like a Ken doll. They had to be absolutely hung, right?

submitted by /u/spencerisbatman
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Why can’t certain types of glass like frosted glass be recycled?

Posted: 28 Jul 2018 01:07 PM PDT

Having no luck googling this! It seems frosted glass can't be recycled along with a few other types, but no explanation as to why :(

submitted by /u/vcalover
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What happens to the mitochondria as an animal ages? Are their fewer per cell? Are mitochondria less efficient?

Posted: 28 Jul 2018 10:40 AM PDT

How many antigens do typical vaccines contain today, how many did they contain a few decades ago, and how many can an infant handle at one time?

Posted: 28 Jul 2018 08:44 PM PDT

I read a pamphlet at my sons doctors office a few years ago that explained that vaccines contain x amount of antigens, and that our bodies can actually handle many many more times that. It also said that the number of antigens in a dose has been drastically reduced over time so that we're getting fewer overall even with an increase in number of vaccines. I've been trying to explain this to an anti-vaxxer but its hard to do without actual numbers, and I have no idea how to find that information again. Thanks!

submitted by /u/lfpod
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How is the voltage inducted in a conductor influenced by the surface bordered by the conductor?

Posted: 28 Jul 2018 11:48 AM PDT

Ok, so I get the fact that in order for a voltage to be inducted in a conductor, the said conductor has to delimit a surface and the electromagnetic field has to be alternative. So, can someone explain to me the actual reason why this happens only when the conductor can be seen as the border of a surface? Also, I know that the voltage is equal to the speed at which the magnetic flux decreases through the surface, but why is that? I'd like to get some insight on this one since my Electromagnetic Fields teacher is not really willing to answer our questions.

P. S. : If you can include why the field has to be a time function that would be great

submitted by /u/GanjalfTheGreeny
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Are there any known mutations to the hox genes of moths?

Posted: 28 Jul 2018 02:17 PM PDT

So today is as out walking my dog and i found a moth sat on the ground, I picked him up, because it was windy, and was going to put him down but realised it had 2 vestigial legs on one side of its face. I know its a thing in flies however I haven't heard of it in moths? Thought I'd ask here as I'm quite interested.

submitted by /u/Toby539
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How much energy does it take to sustain a nuclear fusion reaction for a given time?

Posted: 28 Jul 2018 08:03 PM PDT

[medicine] [chemistry] Is it possible to design a drug that protects the brain from hypoxia by altering the NMDA receptor ion channel to prevent mass calcium influx?

Posted: 28 Jul 2018 01:06 PM PDT

Neurons in the vertebrate CNS are peculiarly susceptible to programmed cell death because excitatory-neurotransmitter receptors can't selectively admit specific ions and over-excitation leads to mass calcium influx, which triggers apoptosis. Is it possible for a drug to alter the NMDA receptor ion pore to exclude calcium ions?

This would increase a patient's likelihood of surviving transient hypoxia or anything that prevents the brain from meeting its anonymously high caloric demands. If I'm not completely mistaken, that is. I know magnesium interacts non-competitively with the NMDA receptor ion channel to diminish calcium conductance.

Could we create a more effective, pharmacological substance that would prevent rapid calcium influx when the ion pumps fail due to loss of ATP? And would this extend the "three minutes" rule?

submitted by /u/DramShopLaw
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Do any factors alter the rate at which radioactive nuclides decay?

Posted: 28 Jul 2018 09:38 AM PDT

Do temperature, pressure or other conditions accelerate the rate of nuclear decay in a sample?

submitted by /u/DrProfJoe
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How is vocal pitch determined?

Posted: 28 Jul 2018 01:59 PM PDT

Is it genetic, environmental, a combination of the two?

submitted by /u/Mr_Bob_Waffle
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How do cockroaches affect our ecosystem?

Posted: 28 Jul 2018 11:25 AM PDT

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