. The structural formulas looked like complex constellations. He started to see the logic in the madness—the way carbon, the "Lego brick of life," could build everything from the graphite in his pencil to the DNA in his cells.

: Features "motivating pages" at the start of each unit to engage students and reinforce learning through varied activities and exercises. Core Content Overview

found in that specific 3rd-year curriculum, or are you looking for study tips for chemistry?