What is the difference between Polymorphism and Allotropy? | AskScience Blog

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Friday, January 24, 2020

What is the difference between Polymorphism and Allotropy?

What is the difference between Polymorphism and Allotropy?


What is the difference between Polymorphism and Allotropy?

Posted: 24 Jan 2020 04:36 AM PST

Is there a more efficient gait in low gravity?

Posted: 23 Jan 2020 10:16 PM PST

Would an astronaut on the moon conserve energy by skipping/hopping instead of walking normally? What about galloping on 4 legs?

This is assuming they were proficient enough to get around like that without falling.

submitted by /u/memejets
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How often a day/month/etc. do stars cease to exist?

Posted: 24 Jan 2020 07:31 AM PST

Is there a general "dying" rate of stars as far as we know?

submitted by /u/cynicwithoutname
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People always talk about the sun cooling and dying, but what about Earth? Is the centre of the Earth cooling? If so, how long before we feel the effects, and what would those effects be?

Posted: 24 Jan 2020 01:30 AM PST

How much does the geothermal energy within the Earth actually affect us, up here on the surface? What will happen as it disappears?

Will continental drift slow down over time? Or just stop when some threshold is reached?

Obviously the timescales will be very long - but I'm assuming that the Earth will cool well before the sun goes out, right?

submitted by /u/DrMcRobot
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How do people recover from the Wuhan coronavirus?

Posted: 24 Jan 2020 02:21 AM PST

I was told that there is currently no cure for the Wuhan coronavirus and the death rate is 10%, so how are the other 90% surviving/recovering

submitted by /u/_Wanye_Kest_
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When can nitrogen hydrogen bond?

Posted: 23 Jan 2020 06:57 PM PST

Hello! While I understand the basics of hydrogen bonds, I just don't understand what can or cannot accept (lone pairs) hydrogen bonds when it comes to nitrogen in the DNA bases. Why can some Nitrogens in the rings of the bases accept, while others cannot? Also, can the (NH2) amine group attached to the ring accept hydrogen bonds? I know it can donate, but can its lone pairs potentially accept? (I know not all parts of the ring do hydrogen bond in DNA base pairing, I just mean hypothetically). Also, yes this is biology, but I think chemistry will give me the reasoning to the answer. Thanks!

submitted by /u/munsli
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Are there large amounts of pathogens in volcanos? If so, how have they mutated to become resistant?

Posted: 24 Jan 2020 03:46 AM PST

How does activated charcoal work?

Posted: 23 Jan 2020 06:40 AM PST

I've read that one of the uses of activated charcoal is for treating overdose and poisoning in animals (including humans), but they are also used as a filter in a water treatment system. So how does it work, given that range of effectiveness?

submitted by /u/LGFR
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What does all the javascript on google search results page DO?

Posted: 23 Jan 2020 04:26 AM PST

Not asking particular details but I just cannot imagine what could require so much (compressed) client-side script.

submitted by /u/TheGreatLakesAreFake
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How do people create artificial flavour?

Posted: 23 Jan 2020 02:56 AM PST

Do they keep mixing chemicals randomly until they'll be like "Ah! this tastes like orange!" or something?

submitted by /u/twisted-vortex
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Why aren't analog computers more widely used?

Posted: 23 Jan 2020 10:36 AM PST

With technologies like Quadrature Amplitude Multiplexing used in network systems, why dont we have something similar in local computing? It seems like we would want to move to a system that can transfer large volumes of data faster.

submitted by /u/Lafarsofon
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If allergic reactions are caused by your body's immune system mistakenly attacking a food protein, then why do we not also experience hives or anaphylaxis when the immune system attacks an actual virus or bacteria?

Posted: 22 Jan 2020 05:17 PM PST

How can Titania both support dye molecules for PV uses and then also catalyse their photodegradation?

Posted: 22 Jan 2020 07:22 PM PST

I'm writing a literature review about TiO2 and I understand how it can be used in a dye-sensetised solar cell, by the adsorption of organic dye molecules. But now I'm reading a paper about how it can be used to degrade them, there is literally a section describing how it breaks down adsorbed dyes. Is it just in solution that this occurs? Thanks in advance.

submitted by /u/HRH-Richmond_III
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How do some plants undergo cell division without centrioles?

Posted: 22 Jan 2020 07:12 PM PST

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