“Let’s talk about the role of Ethylenediaminetetraacetic acid as a hexadentate  ligand and chelating agent”….

….said Mr Lopez as his Chemistry student struggled to keep awake during the last period on Thursday.

Obviously after this confession, describing the rest of an otherwise pretty uneventful week would be an exercise of futilility.

Let’s just say that concepts are getting slightly more complex as the year ends, logically.

Keep up the Science nerdy talk!!