Horizon - 2007-2008 - How to Make Better Decisions

Topical science series. According to scientists, decision making is not the rational process we imagine it to be. The fickle human mind can be hijacked by its surroundings or led astray by the subconscious. Experiments show that our choices can even be affected by temperature. Mathematician Garth Sundem tries to demonstrate that the most effective decisions are made using simple maths and a pencil.