http://www.nobelprize.org/nobel_prizes/chemistry/laureates/2011/info_publ_eng_2011.pdf
http://www.nobelprize.org/nobel_prizes/chemistry/laureates/2011/sciback_2011.pdf
I thought you ladies might be interested in this thread. After you visit maybe you can then explain it to me. :-)
http://www.nobelprize.org/nobel_prizes/chemistry/laureates/2011/info_publ_eng_2011.pdf