书中的实验相关网址（不全更新中）

http://punchandbrodie.com/ncyclo/rainbows/

http://johnkyrk.com/photosynthesis.html

http://www.bbc.co.uk/science/humanbody/mind/surveys/smiles/

http://100ans.cinematheque.fr/

http://www.benecke.com/

http://achievinghappiness.com/