In this episode of 5 Minute Expert, Dr. Art Fuller explores the fascinating world of frets—metal strips embedded in stringed instruments like guitars that aid in pitch control and finger placement. Discover the history of frets, from their ancient origins in lutes to their evolution into the modern guitars we know today, and learn how musicians have pushed the boundaries with fretless instruments.

We look at a couple of things the Romans knew that still baffle scientists and engineers today. Our sponsor this week is WeBeSandals.com. Authentic Giraffe leather sandals just like the Roman legionnaire that trampled all over Gaul back in the day...

Swimming in the River Seine in Paris has been illegal for 100 years! We discuss the pollution of the world's largest rivers and the ocean. Our sponsor this week is Save The Seine (Not a religious organization...).

We discuss the Science, nay, the superpower that is selective hearing; that ability to ignore and tune out sounds, noises and conversations we want to ignore...

We talk about several prominent and well-known conspiracy theories and what the real evidence says...

We look at the psychology of child prodigies. They amaze us with their talents and performance. But, is it sustainable? Our sponsor this week is Crayons to Calculators, a nonprofit daycare catering to child prodigies. Crayons to Calculators is raising the next generation of geniuses... today.

Get ready to rumble as we look at the pros and cons of both. And, I’ll reveal my preference at the end of this show. Our sponsor this week is The Pizza-Taco House Restaurant in Frog Lick, GA. Stop by and grab a taco or a slice of pizza.

We talk about story of the original atomic bomb including the Manhattan Project and MAD (mutually assured destruction). This week's sponsor is Flamethrowers, your happy-home-owners grade supplier of exceptional fireworks.