41. As originally described, the Nazarov cyclization involves the activation of a mechanistic pathway. 42. A possible mechanistic explanation linking gut flora to obesity involves short chain fatty acids. 43. The migrating solar tides have been extensively studied both through observations and mechanistic models. 44. However, Gaston et al . question whether this is a suitably mechanistic explanation. 45. This process is referred to as mechanistic dehumanization. 46. The mechanistic details of this reaction have been extensively explored by Crich s laboratories. 47. Data obtained with these systems may be used to test and refine mechanistic hypotheses. 48. A mechanistic modelling approach is one where a model is derived from basic theory. 49. *Peter Wright pioneered the mechanistic analysis of coupled folding and binding of IDPs. 50. Huxley s mechanistic attitude towards the body convinced him that the brain alone causes behavior.