Biology has "ResearchGate" which, ironically, is a bit like facebook and is somewhat proprietary. It is, however, incredibly useful for solving common lab probl

Biology has "ResearchGate" which, ironically, is a bit like facebook and is somewhat proprietary. It is, however, incredibly useful for solving common lab problems like "I stuck all my histo slides together, how do I dissolve the mounting media?". Bioinformatics has BioStars, stack exchange, and bioarvix.