Is the placement of veins entirely genetic? is there some randomness to it? | AskScience Blog

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Thursday, May 26, 2022

Is the placement of veins entirely genetic? is there some randomness to it?

Is the placement of veins entirely genetic? is there some randomness to it?


Is the placement of veins entirely genetic? is there some randomness to it?

Posted: 25 May 2022 08:59 AM PDT

Why do our bones stop growing, do we run out of chondrocytes?

Posted: 25 May 2022 03:27 PM PDT

I would assume we run out of chondrocytes the older we get and that would be the reason bone growth slows down significantly until the growth plate closes. Or is it that a signal tells our body to stop proliferating bone cells.

Another question would then be why can't we inject out bones with more chondrocytes if that's the issue?

submitted by /u/ZealousidealAnt3800
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What is the difference between the magnetic pole and the geomagnetic pole?

Posted: 25 May 2022 03:14 PM PDT

Wikipedia has too many fancy words that make no sense to me.

submitted by /u/AllActGamer
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Are there any residential scale carbon capture technologies available?

Posted: 25 May 2022 10:07 AM PDT

I'm considering adding an non-grid tie solar system to my home. As solar is somewhat variable in energy production the system would need to be sized for poor production times of year/days. Are there any electrically based carbon capture technologies that could be run with excess electricity production? I've seen some diy solutions but by the time I've purchased and had shipped the needed chemicals then disposed of them I'll have spent all the carbon I would have captured.

submitted by /u/wdapp89
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How high could ice cliffs have gotten in the last ice age?

Posted: 25 May 2022 03:59 PM PDT

This is probably a silly question, but... seeing photos of the spectacular ice cliffs (in sea ice or where where glaciers end, for example) always makes me wonder how much more impressive they were in the last glacial maximum. Would or could they have been much taller than they are now?

As near as I can figure out with back-of-the-napkin math, the tallest column of ice that could support its own weight would be something like 5-5.5km tall, and my understanding is that the ice sheets have been up to 4km thick. I'm sure it wasn't just a flat 4km sheet that ended in a vertical cliff in like Montana or something, though. Would it have looked a lot like the edges of the ice sheets today, or could there have been even bigger cliffs?

submitted by /u/Maktube
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Why do some GABAergic substances such as Xanax and Klonopin cause significant withdrawals while things such as tea and Ashwagandha do not?

Posted: 25 May 2022 10:04 AM PDT

This question has always intrigued me and I'm wondering if there's someone much smarter than I who can help explain

submitted by /u/The_Beatle_Gunner
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What percent of West African Monkeypox cases result in blindness or impaired vision?

Posted: 25 May 2022 02:39 PM PDT

What exactly is muscle memory?

Posted: 24 May 2022 07:19 PM PDT

Is muscle memory purely in the muscle or is the brain always in charge?

submitted by /u/spizoil
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Why do insects like hornets and others have hair on their bodies?

Posted: 24 May 2022 07:13 PM PDT

It seems rather bizarre considering that it isn't used to stay warm and, because there is a hard exoskeleton, they don't need it for protection.

submitted by /u/TheAdventOfTruth
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