Links:
Nose & Other Scientific                                        
Olfactory image archive (Adam Puche)
Allen Brain Atlas (ABA) (gene expression patterns in mouse brain)
VassarStats (excellent site on statistical computation + online tests)
More statistical tests
Web of knowledge (Max Planck Gesellschaft)
Neuron environment
Smell (not strictly scientific...)
Turin's company (depending on who you talk to, perhaps even less so ;-)
 
Nose - Labs (a few)
Nathan Urban
Rainer Friedrich
Giovanni C. Galizia
Kerry Delaney
Nathan E. Schoppa
Sigrun Korsching
Zach Mainen
Jens Midtgaard
Adam Puche
Leslie Vosshall
Monell Chemical Senses Center Faculty
 
Various
Neuroethics
Powerpoint.. is evil
Aroids
Piano world forum
Greener Apples (Macs)
Steinmandl.de (German mountain hiking site)