Science explains why some cleaning methods work better than others, and that we do not need to purchase multiple cleansers when a few basic ingredients from our pantry and our local pharmacy can get the entire house spic and span.
Meet the most scientifically studied people in the world. A group of 1,037 New Zealanders born in one city have been followed since their births in 1972. Members are now dispersed around the globe but 96% of the original group are still taking part - an extraordinary achievement in such a long running study.
What motivates us to work? Contrary to conventional wisdom, it isn't just money. But it's not exactly joy either. It seems that most of us thrive by making constant progress and feeling a sense of purpose. Behavioral economist Dan Ariely presents two eye-opening experiments that reveal our unexpected and nuanced attitudes toward meaning in our work.