Is/are a relatively permanent change in behavior, knowledge, capability, or attitude that is acquired through experience and cannot be attributed to illness, injury, or maturation. reflexes neuronal development learning physical maturity intelligence

Learning.

Learning is the process of going new or amending existing behavior, attitude, ability and knowledge. Humans, animals and even some plant life are capable of learning. Learning is not the result of any physical or chemical change is the body. Although knowledge and experience tend to increase with aging, aging doesn’t cause learning.

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.