english: Now, smell was the hardest of the senses to crack, and the Nobel Prize awarded to Richard Axel and Linda Buck was only awarded in 2004 for their discovery of how smell works.
non_english: Geurzin was het moeilijkst te doorgronden zintuig. De Nobelprijs kregen  Richard Axel en Linda Buck pas in 2004, voor hun ontdekking van de werking van geur.