I've heard of tests done with various drugs on spiders and the effects on the web. Caffeine caused an erratic web and THC caused the spider to work normally but give up partway through... I forget the rest. Lemme see if I can relocate the link.

EDIT: Here are some links:

http://en.wikipedia.org/wiki/Spider_...webs_and_drugs

http://www.trinity.edu/jdunn/spiderdrugs.htm
Bob the Awesome Reviewed by Bob the Awesome on . Spiders on drugs (ver 2.0) Funny as hell video http://www.youtube.com/watch?v=sHzdsFiBbFc Gotta love the crack spider. So funny zomg. Fuckin stoner spider built a hammock lmfao. Rating: 5