For those of you guys who are into weight training and supplements, here are two articles I found on two of the most popular supplements, whey protein and creatine. I knew vaguely what they did, but these articles go into depth explaining the exact function of each.
Creatine:
http://www.helium.com/tm/147973/crea...-people-havent
Whey Protein:
http://www.helium.com/tm/147971/prot...-protein-where