Other resources:
https://psychonautwiki.org/wiki/Main_Page
Tends to be faster to get new drug info up. I feel like their effects are done better, since you can click on them.
http://wiki.tripsit.me/wiki/Main_Page
Part of an IRC chat room that promotes harm reduction and helps with bad trips. They have data on drugs the fastest.
An example would be MXM which has a page on tripsit, but not either of the other two.
Has anyone actually used yahoo screen?