If you had to give up one of your senses, which would you pick? If you think that “smell” might be the obvious answer, consider that your nose plays a crucial role in how you perceive the taste of your food or that it’s a sophisticated sensor capable of synthesizing the hundreds of different molecules into the floral fragrance we know as “roses.” University of Florida professor Steven Munger explains the nuances of smell. Plus: The digital world is changing how we read. What does that mean for the next generation of readers? As Maryanne Wolf describes in her newest book, Reader, Come Home, we may be at risk of raising a generation of people who don't have those skills simply because of our changing reading habits. She joins Ira to discuss how our reading brain has changed since moving into the digital world and what we can do to fall in love with reading again. Are you team bat? Or team dolphin? Earlier this month at the Acoustical Society of America Conference two groups of scientists argued the finer points of each animal’s echolocation excellence. Things got heated, words were exchanged. But in this battle between the sonar specialists, which creature comes out the winner? To settle the debate, two researchers join Ira for a good, old-fashioned “rumble on the radio.” Laura Kloepper, assistant professor at St. Mary’s College backs up the agile, winged masters of the sky, while Brian Branstetter, research scientist at the National Marine Mammal Foundation in San Diego, vouches for the swift swimmers of the sea. Both are ready for Science Friday’s first ever “Sonar Smackdown.” Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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“What did the council decide on item 42?” — answered with the speaker and the moment.