Possible Clues:

• Process of learning something gradually and without effort
• An absorbing process is attached to the universe, extracting carbon
• Sailor, one in boggy ground, shows process of absorption
• With heat this biochemical process may imbalance homeostasis
• One way of learning, it's said
• Diffusion of liquids round moss is developing
• Process of gradual assimilation of ideas
• Absorption is underlying universe with unseen origin
• Process of absorption
• So one turns to the doctor, Sister, for diffusion