The [alpha]-helix as the simplest protein model : helix-coil theory, stability, and design -- Kinetics and mechanisms of [alpha]-helix formation -- The protein folding energy landscape : a primer -- Hydrogen exchange experiments : detection and characterization of protein folding intermediates -- Statistical differential scanning calorimetry : probing protein folding-unfolding ensembles -- Fast protein folding -- Single molecule spectroscopy in protein folding: from ensembles to single molecules -- Computer simulations of protein folding -- Protein design : tailoring sequence, structure, and folding properties -- Protein misfolding and [beta]-amyloid formation -- Scenarios for protein aggregation : molecular dynamics simulations and bioinformatics analysis.