A analysis of the sense of smell, beginning with the nose, the olfactory epithelium and the different types of receptor proteins, and progressing through the processes of sensory transduction, transmission of neural signals to the olfactory bulb, and thence into the higher regions of the brain. I also discuss the sense of smell in humans compared to that of other animals, with a focus on the special abilities of bloodhounds. Recommended prerequisite is Episode 38: Neurons and Synapses.
Episode 105: Agriculture, Urbanisation, and Structural Change
Episode 104: The History of the World Economy and Growth
Episode 103: Introduction to Economic Growth and Global Poverty
Episode 102: Photosynthesis Part II
Episode 101: Photosynthesis Part I
Special Episode: History and Future of the Show
Episode 100: Unsolved Problems in Science
Episode 99: Plant Reproduction and Fruit
Episode 98: Electromagnetic Radiation
Episode 97: Plant Structure and Function
Special Episode - Jared Bauer on Science and Philosophy in Movies
Episode 96: How Computers Work Part VI - High Level Programming and Software
Episode 95: How Computers Work Part V - Assembly Language and the Operating System
Episode 94: How Computers Work Part IV - Processor Architecture and Machine Code
Episode 93: How Computers Work Part III - Logic Gates and Components
Episode 92: How Computers Work Part II - Silicon and Transistors
Episode 91: How Computers Work Part I - What is a Computer?
Episode 90: Climate Systems
Episode 89: The Atmosphere
Episode 88: Cartography and Earths Seasons
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