The Nature of Things takes a good-natured look at statistics, a subject that many people find incomprehensible or irrelevant. The program illustrates how abstract mathematical ideas affect us in the real world. On the basis of statistics, laws are drafted that make seatbelts mandatory or prohibit smoking. Nevertheless, when faced with decisions about uncertain situations, people often turn to intuition and are often wrong. David Suzuki travels to the stock exchange, climbs dangerous cliffs, kayaks through white water and walks across the street. Along the way, errors in thinking that range from the deadly serious to the ridiculously comic are discovered.