r/askscience is a subreddit with 26.3M members. The community frequently discusses looking for a, looking for, muscle, health, and science, and they frequently recommend/review neuroscience books, and the most common flair used is physics, biology, earth sciences, medicine, and psychology.
Ask a science question, get a science answer.
Popular Topics in r/askscience
#1
Looking For A
29 posts
#2
Looking For
24 posts
#3
Muscle
13 posts
#4
Health
8 posts
#5
Science
7 posts
#6
Annoyance
6 posts
#7
Sound
5 posts
#8
Power
5 posts
#9
Testosterone
5 posts
#10
Tiredness
4 posts
Products Discussed in r/askscience
Neuroscience Books
4 reviews
#1
V.S. Ramachandran
5.0★ from 2 reviews
#2
Steven Pinker
4.0★ from 1 review
#3
Bear, Connors and Paradiso
4.0★ from 1 review
Flair Used in r/askscience
#1
Physics
: "What existed before the Big Bang?"
5 posts
#2
Biology
: "If you already have a virus, how can you get sick with a second virus at the exact same time? Do they compete or cooperate?"
3 posts
#3
Earth Sciences
: "⚡ YOUR FAVORITE PEPTIDES | NOW MORE AFFORDABLE | SHOP NOW 🚨"
1 post
#4
Medicine
: "please tell me, is it possible to use a human ELISA kit to determine the concentration of hormones testosterone, estradiol, adiponectin, FSH, NT-proBNP, Endothelin-1 (1-21) for rat serum? If not, why not?"
1 post
#5
Psychology
: "If you could solve only ONE unsolved scientific mystery, which one would you choose and why"
1 post
#6
Astronomy
: "If black dwarves can/do exist, where are they?"
1 post
Member Growth in r/askscience
Yearly
+137k members(0.5%)
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Last updated: July 24, 2026