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Top Questions
20
votes
Why do we not generally have "enneane"?
organic-chemistry
nomenclature
molecular-structure
molecules
asked Apr 27, 2018 at 21:19
chemistry.stackexchange.com
13
votes
Squaring a Leibnitz-like series
sequences-and-series
pi
asked Jul 15, 2021 at 18:19
math.stackexchange.com
12
votes
Phosphine, yes -- but where are the organic compounds on Venus?
atmosphere
venus
life
chemistry
asked Sep 15, 2020 at 10:01
space.stackexchange.com
10
votes
Carbon sources on the Moon?
the-moon
colonization
planetary-science
asked Apr 26, 2019 at 19:33
space.stackexchange.com
7
votes
Why couldn't New Horizons try again to search for small moons of Pluto?
new-horizons
pluto
moons
asked Apr 21, 2020 at 23:02
space.stackexchange.com
7
votes
Does exploration of Venus' atmosphere now require any planetary protection protocols?
atmosphere
venus
life
astrobiology
planetary-protection
asked Mar 2, 2019 at 1:31
space.stackexchange.com
6
votes
No phenolphthalein mono-anion?
organic-chemistry
acid-base
asked May 4, 2018 at 20:40
chemistry.stackexchange.com
5
votes
Cycles in $5×5$ Latin squares (solution found)
puzzle
latin-square
asked Oct 16, 2017 at 0:37
math.stackexchange.com
Top Answers
77
Why don't we explode after drinking water?
chemistry.stackexchange.com
71
Is the "determinant" that shows up accidental?
math.stackexchange.com
69
Why doesn't frozen sugar solution taste sweet?
chemistry.stackexchange.com
65
Are rational points dense on every circle in the coordinate plane?
math.stackexchange.com
53
How do they ensure there is one electron on an oil drop in Millikan's oil drop experiment?
chemistry.stackexchange.com
46
Did Apollo 13 produce any scientific results?
space.stackexchange.com
38
What is the pressure at the center of the Earth?
earthscience.stackexchange.com
37
Is it a coincidence that the circumference of the Earth in kilometers is almost $2^{12}$?
earthscience.stackexchange.com
37
Alternating series; first term is 0. Do I have a problem?
math.stackexchange.com
37
Why is geothermal heat insignificant to surface temperature?
earthscience.stackexchange.com
35
Is the arc length always irrational between two rational points?
math.stackexchange.com
34
Multiple-choice: sum of primes below $1000$
math.stackexchange.com
33
Would it be possible to destroy gold?
chemistry.stackexchange.com
32
Make 27 using 1, 1, 1, 1
puzzling.stackexchange.com
32
What happened to the Apollo 1 rocket?
space.stackexchange.com
31
Why is the boiling point of fluorine lower than that of oxygen?
chemistry.stackexchange.com
31
Do other planets and moons share Earth’s mineral diversity?
space.stackexchange.com
30
Why does the circle intersect the line?
math.stackexchange.com
30
Do molecules with bridges through rings exist?
chemistry.stackexchange.com
29
1+2+3+4+… and −⅛
mathoverflow.net
27
Did any spacecraft ever use the Sun's gravity for acceleration?
space.stackexchange.com
26
Is it possible to explain geometrically why $\arctan (1/2) +\arctan (1/3) = 45$ degrees?
math.stackexchange.com
26
What problems have been frequently computationally verified for large values?
math.stackexchange.com
25
Are the computers on Pioneer 10 & 11 still running?
space.stackexchange.com
25
Best aproximation of log 3?
math.stackexchange.com
25
Why does bleach feel slippery?
chemistry.stackexchange.com
25
Is the behavior of a dilute strong acid the same as the behavior of a weak acid?
chemistry.stackexchange.com
24
What is the largest subset of the sphere such that inner product of any two points in the set is nonnegative
mathoverflow.net
23
Can fluorine ever have a positive oxidation state?
chemistry.stackexchange.com
23
How to solve this solvable 8th-degree algebraic equation by radicals?
math.stackexchange.com
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