Substantially countering the directions in which commonsense might urge us . . .
In 2000, Prof. Watson from the department of psychology at Iowa University published a goundbreaking study which showed that people's ( or, more accurately, student's ) daily mood is not really affected by how sunny ( or rainy ) it is.
Now new research, from Humboldt-University Berlin, Utrecht University, and the University of Edinburgh has taken a step further.
