Hey all,
I’ve been following this forum for a while but have never made an account before. I found this site that covers gen chem, orgo, and physics. Unfortunately they don’t have biology yet, but i’m sure they’ll get there soon since they’re fairly new. They already have 700+ lectures so there is a good amount to work with.
Seems like everything is free and don’t even have to sign up.
http://www.aklectures.com
Enjoy 