Episode – 1408 : Edward Teller and the Development of the H-Bomb Podcast Transcript During the Second World War, the United States established the highly secret Manhattan Project to develop […]
Episode – 1395 : Asteroids
Episode – 1395 : Asteroids Podcast Transcript Our solar system is made up of a lot of things. The biggest thing is the sun, of course which makes up the […]
Episode – 1385 : The Largest Known Things in the Universe
Episode – 1385 : The Largest Known Things in the Universe Podcast Transcript The universe is big. Really, really big. So big that it is hard to intuitively grasp its […]
Episode – 1383 : Batteries
Episode – 1383 : Batteries Podcast Transcript The odds are quite good that somewhere around you right now as you listen to me speak these words, is a battery. Whether […]
Episode – 1362 : Jet Propulsion
Episode – 1362 : Jet Propulsion Podcast Transcript When humans first managed to harness heavier-than-air flight, they did so by using piston engines and propellers. Several decades later, a more […]
Episode – 1352 : Krakatoa
Episode – 1352 : Krakatoa Podcast Transcript On the morning of August 27, 1883, one of the most destructive natural disasters of the 19th century occurred between the islands of […]
Episode – 1339 : The Discovery of DNA
Episode – 1339 : The Discovery of DNA Podcast Transcript One of the most important advancements in the 20th century was the identification of the structure of the DNA molecule.However, […]
Episode – 1333 : Leap Year
Episode – 1333 : Leap Year Podcast Transcript Once every 1461 days, sometimes, we have a day on the calendar that we don’t normally have: Leap Day. This extra day […]
Episode – 1329 : Cruciferous Vegetables
Episode – 1329 : Cruciferous Vegetables Podcast Transcript One of the most common food items consumed today are cruciferous vegetables. Even if you aren’t familiar with the term, you almost […]
Episode – 1319 : Phrenology
Episode – 1319 : Phrenology Podcast Transcript In the 19th century, a new discipline swept over the medical and legal professions. This belief held that a person’s personality could be […]
Episode – 1317 : Transuranium Elements
Episode – 1317 : Transuranium Elements Podcast Transcript If you take a look at the periodic table of elements, you will notice something interesting. Go to the bottom and take […]
Episode – 1313 : All About Eggs
Episode – 1313 : All About Eggs Podcast Transcript Every day around the world, over a billion eggs are consumed. Eggs have become a staple food product used both by […]
Episode – 1309 : Formal Logic
Episode – 1309 : Formal Logic Podcast Transcript Located in the area between philosophy and mathematics is the realm of logic.Logic permeates everything we do, from the work of Aristotle […]
Episode – 1293 : The History of Lead
Episode – 1293 : The History of Lead Podcast Transcript Sometime around eight to nine thousand years ago, ancient people in Asia Minor found a very dull grey metal that […]
Episode – 1286 : Alternative Forms of Space Flight
Episode – 1286 : Alternative Forms of Space Flight Podcast Transcript Every single rocket that has ever been launched into space has been a rocket that burned some sort of […]
Episode – 1283 : LEDs: Light Emitting Diodes
Episode – 1283 : LEDs: Light Emitting Diodes Podcast Transcript One of the most important inventions in human history was artificial lighting.With the electric lightbulb, the night could be illuminated, […]
Episode – 1279 : Questions and Answers: Volume 14
Episode – 1279 : Questions and Answers: Volume 14 Podcast Transcript The month of January was named after the Roman god Janus who had two faces, one on each side […]
Episode – 1275 : e: Euler’s Number
Episode – 1275 : e: Euler’s Number Podcast Transcript There are an infinite number of numbers, but some numbers are more important than others. One number, which might just be […]
Episode – 1273 : Salt
Episode – 1273 : Salt Podcast Transcript One of the most important substances throughout world history has been salt. Salt might seem mundane, but it is actually necessary for the […]
Episode – 1266 : Apollo 8
Episode – 1266 : Apollo 8 Podcast Transcript On December 21, 1968, a Saturn V rocket was launched from Florida that did something that had never been done before. It […]




















