Why is topology defined the way it is? - Quora
https://archive.ph/J096e

What are some big unsolved problems in topology? - Quora
https://archive.ph/Kz5he

I am 18 and I want to be a physicist, but I feel sad and depressed when I look at genius child prodigies that are way younger and miles ahead of me. What do I do? - Quora
https://archive.ph/33vwk

How much time would it take to count from one to one billion? - Quora
https://archive.ph/7buyp

Collatz conjecture talks about 3n+1 formula. What about 5n+1 or 7n+1 or 9n+1 formulas instead of 3n+1, while you still divide an even number exactly by 2? Are there any interesting results, observations or conjectures about these variants of Collatz? - Quora
https://archive.ph/KF9a8

‎Alon Amit (אלון עמית)‎'s answer to What specific areas should I know to comprehend the explanation for Fermat's Last Theorem? - Quora
https://archive.ph/n0VOO

Senia Sheydvasser's answer to Can you explain the proof of Fermat's Last Theorem, like I'm 5? - Quora
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Answer to What are some good resources for learning differential geometry? - Quora
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Daniel McLaury's answer to Is a study of Differential Geometry and Algebraic Topology essential for an appreciation of algebraic geometry? - Quora
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Rajratna Adsul's answer to How much differential geometry is required to properly understand General relativity? What math subjects should be taken (like analysis, linear algebra, etc) to have a solid foundation before starting differential geometry? - Quora
https://archive.ph/PqRbc

Answer to What are topics/books which are essential to understanding Grothendieck's contribution to Algebraic Geometry? - Quora
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Answer to What's a good 'roadmap' of mathematics to study before seriously beginning to study graduate-level algebraic geometry? - Quora
https://archive.ph/iV6yY

Answer to What are the prerequisites to learn algebraic geometry? - Quora
https://archive.ph/ySKNJ