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Making Sense of Smell: How Do We Smell? A TED-Ed Animated Lecture by Rose Eveleth
Source Credit: TEDEd

An adult human can distinguish up to 10,000 odors. You use your nose to figure out what to eat, what to buy and even when itís time to take a shower. But how do the molecules in the air get translated into smells in your brain? Rose Eveleth charts the smelly journey through your olfactory epithelium and explains why scent can be so subjective.

Source Credit: TEDEd


Suggested reading:

  1. Fanger, P.O. Introduction of the olf and the-7decipol Units to Quantify Air Pollution Perceived by Humans Indoors and Outdoors Energy and Buildings. 12, 1988, 1-6

  2. Melikov, A.K. Perceived Air Quality, CTU in Prague. October, 2010

  3. Yeganeh, B., Haghihat, F., Gunnarsen, L. B., Afshari, A., Knudsen, H. N. (2006). Evaluation of building materials individually and in combination using odour threshold. Indoor and Built Environment, 15(6), 583-593.

  4. European Concerted Action "lndoor Air Quality and Its Impact on Man ". Report No. II: Guidelines for Ventilation Requirements in Buildings. Office for Publications of the
    European Communities, Luxembourg, 1992

  5. Cone, J.E., Shusterman, D. (1991) Health Effects of Indoor Odorants. Environmental Health Perspectives, Vol. 95, pp. 53-59, 1991

  6. Hedge, A. (2010) Lecture Notes, Indoor Air Quality (see odour notes), Cornell University

  7. Wargocki, P., Wyon, D.P., Fanger, P.O. (2000) Productivity Is Affected By The Air Quality In Offices, Proceedings of Healthy Buildings 2000, Vol. 1 635

  8. Wargocki, P., Measurements of the Effects of Air Quality on Sensory Perception. Chem. Senses (2001) 26 (3): 345-348


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