Subreddits similar to r/chemistry

16k subs

Post your questions about chemistry, whether they're school related or just out of general interest. Please do not post entire problem sets or questions that you haven't attempted to answer yourself.
https://reddit.com/r/chemhelp/

r/biology

1m subs

https://reddit.com/r/biology/

r/Physics

779k subs

The aim of /r/Physics is to build a subreddit frequented by physicists, scientists, and those with a passion for physics. Papers from physics journals (free or otherwise) are encouraged. Posts should be pertinent, meme-free, and generate a discussion about physics. Please report trolls and intentionally misleading comments.
https://reddit.com/r/Physics/

r/askscience

18m subs

Ask a science question, get a science answer.
https://reddit.com/r/askscience/

r/math

820k subs

https://reddit.com/r/math/

r/labrats

60k subs

Got lab stories? Experiments gone wrong? PIs gone AWOL? Need help with your experiments? Share your stories!
https://reddit.com/r/labrats/

r/chemicalreactiongifs

506k subs

A subreddit showcasing the complexity of those lovely little atoms, as well as other interesting science topics in gif form.
https://reddit.com/r/chemicalreactiongifs/

r/ChemicalEngineering

33k subs

All things Chemical Engineering!
https://reddit.com/r/ChemicalEngineering/

r/Biochemistry

23k subs

https://reddit.com/r/Biochemistry/

r/shittyaskscience

789k subs

Reddit's new look is shit. Revert back to classic.
https://reddit.com/r/shittyaskscience/

r/GradSchool

67k subs

Discussion forum for current, past, and future students of any discipline completing post-graduate studies - taught or research.
https://reddit.com/r/GradSchool/

r/engineering

232k subs

The hub for all content related to the engineering discipline.
https://reddit.com/r/engineering/

r/HomeworkHelp

67k subs

Need help with homework? We're here for you! The purpose of this subreddit is to help you learn (not complete your last-minute homework), and our rules are designed to reinforce this.
https://reddit.com/r/HomeworkHelp/

r/science

22m subs

This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.
https://reddit.com/r/science/

r/Astronomy

821k subs

Everything to do with **Astronomy**: The amateur hobby of man since the dawn of time and scientific study of celestial objects. Community Rules: https://www.reddit.com/r/astronomy/wiki/rules
https://reddit.com/r/Astronomy/

r/fffffffuuuuuuuuuuuu

849k subs

it's still alive! kinda...
https://reddit.com/r/fffffffuuuuuuuuuuuu/

r/EngineeringStudents

196k subs

This a place for engineering students of any discipline to discuss study methods, get homework help, get job search advice, and find a compassionate ear when you get a 40% on your midterm after studying all night.
https://reddit.com/r/EngineeringStudents/

r/premed

76k subs

A place for us neurotic premeds to post links and have discussions with each other.
https://reddit.com/r/premed/

r/learnmath

121k subs

Post all of your math-learning resources here. Questions, no matter how basic, will be answered (to the best ability of the online subscribers).
https://reddit.com/r/learnmath/

r/Homebrewing

457k subs

Welcome brewers, mazers, vintners, and cider makers!
https://reddit.com/r/Homebrewing/

r/medicine

237k subs

**A community for medical professionals.** Please read the rules before posting.
https://reddit.com/r/medicine/

r/AskAcademia

72k subs

This subreddit is for discussing academic life, and for asking questions directed towards people involved in academia, (both science and humanities).
https://reddit.com/r/AskAcademia/

r/Drugs

552k subs

Sourcing drugs is NOT allowed here! YOU WILL BE BANNED FOR ASKING OR PROVIDING DRUG OR PARAPHERNALIA SOURCES, whether illegal or legal. This includes: URLs, markets, PMs, etc. Make sure you follow the RULES. When in doubt, DONT.
https://reddit.com/r/Drugs/

r/AskEngineers

125k subs

Engineers apply the knowledge of math & science to build maintainable systems designed to solve problems. AskEngineers is a forum for questions about the processes and standards used to build these systems, as well as for questions about the engineering profession and its many disciplines.
https://reddit.com/r/AskEngineers/

r/bestof

5m subs

The very best comments on reddit.
https://reddit.com/r/bestof/

r/TrueReddit

436k subs

A subreddit for really great, insightful articles and discussion. Please follow reddiquette, and READ THE ARTICLE before voting or discussing. Downvotes should only be used if something doesn’t contribute to intelligent discussion, not just because you disagree. Please use the report button if you see something that doesn’t belong.
https://reddit.com/r/TrueReddit/

r/OrganicChemistry

6k subs

https://reddit.com/r/OrganicChemistry/

r/chemistrymemes

21k subs

Memes about the the elements, published periodically
https://reddit.com/r/chemistrymemes/

r/AskPhysics

27k subs

A subreddit to draw simple physics questions away from /r/physics. No real rules; ask away. If your basic physics question isn't answered in a day, you can post it to /r/physics if you mention that you didn't get an answer on /r/AskPhysics (unless it's a homework-related physics question).
https://reddit.com/r/AskPhysics/

r/geek

566k subs

Geeky things
https://reddit.com/r/geek/

r/chemistry

subreddits related to r/chemistry