Many questions are still unanswered.
More important, many good questions have not yet been asked. Above all other considerations, study biology because it is 'irrelevant' - that is, study it for its own sake, because, like art and music and literature, it is an adventure for the mind and nourishment for the spirit. Lectures Lectures are organized to illuminate concepts in biology. They relate to information found in the text and the laboratory manual, and to discussion session topics.