The article "The elusive nature of consciousness" in the journal Science (Volume 391, Number 6786, Page 665) deals with the elusive nature of consciousness. This is a review or commentary on the book A World Appears by popular science author Michael Pollan. This book offers readers a charming and witty look at the subject of consciousness. The article emphasizes that consciousness is a heady subject, i.e. a deep and complex topic. It does not cite any statistics, numbers or results of a specific study.[7]