Episode – 1264 : Snow Podcast Transcript If you live anywhere away from tropical latitudes, you might have experienced snow. In fact, depending on where you live, you might have […]
Episode – 1256 : Copper
Episode – 1256 : Copper Podcast Transcript When humans first learned how to work with metal, the very first metal they used was copper. Copper was easy to shape, easy […]
Episode – 1246 : The History of Farming
Episode – 1246 : The History of Farming Podcast Transcript Over 10,000 years ago, humans began to cultivate and raise crops. Back then, a single farm could maybe grow enough […]
Episode – 1241 : Uranus
Episode – 1241 : Uranus Podcast Transcript Located approximately 1.8 billion miles or 2.9 billion kilometers from the sun, 19 times the distance from the Earth to the sun, is […]
Episode – 1240 : Ocean Currents
Episode – 1240 : Ocean Currents Podcast Transcript The surface of the Earth is 70 percent water. If you just looked at a map and saw a sea of blue, […]
Episode – 1231 : The Element Mercury
Episode – 1231 : The Element Mercury Podcast Transcript Since the dawn of human history, humans have been aware of a seemingly miraculous substance. It was a substance that had […]
Episode – 1228 : Parachutes
Episode – 1228 : Parachutes Podcast Transcript Centuries ago, someone decided jumping from a great height and trying to land without being injured would be a good idea. …and in […]
Episode – 1223 : The OMG! Particle
Episode – 1223 : The OMG! Particle Podcast Transcript On October 15, 1991, a cosmic ray detector in Utah observed something that had never been seen before or since. It […]
Episode – 1209 : What is Calculus?
Episode – 1209 : What is Calculus? Podcast Transcript As early as 2400 years ago, Greek philosophers were coming up with paradoxes that seemingly had no solution. Early mathematicians came […]
Episode – 1205 : A Brief History of Microscopy
Episode – 1205 : A Brief History of Microscopy Podcast Transcript Ever since humans could see, we’ve been able to look up at the night sky and see things lightyears […]
Episode – 1196 : The Speed of Sound
Episode – 1196 : The Speed of Sound Podcast Transcript Sound travels fast. Very fast. However, it is not so fast that we can’t recognize that it has a finite […]
Episode – 1193 : The World’s Oldest Things
Episode – 1193 : The World’s Oldest Things Podcast Transcript People are fascinated by extremes. We are interested in the biggest, strongest, fastest, and tallest. I’m certainly no exception. One […]
Episode – 1189 : Antibiotics
Episode – 1189 : Antibiotics Podcast Transcript One of the biggest changes to humanity over the last 100 years has been the increase in life expectancies. One of the biggest […]
Episode – 1184 : The Nobel Prize
Episode – 1184 : The Nobel Prize Podcast Transcript On December 10, 1896, the Swedish inventor Alfred Nobel passed away. In his will, he gifted most of his estate for […]
Episode – 1180 : Nitrogen
Episode – 1180 : Nitrogen Podcast Transcript If aliens were to look at the Earth through a telescope from far away and analyze our atmosphere, they would find that the […]
Episode – 1176 : Introduction to Rocks and Minerals
Episode – 1176 : Introduction to Rocks and Minerals Podcast Transcript Under your feet and all around you are rocks and minerals. Many times in your life, you have probably […]
Episode – 1149 : Multiple Births
Episode – 1149 : Multiple Births Podcast Transcript There is an excellent chance that you know someone who has a twin sibling. In fact, there are some of you listening […]
Episode – 1148 : A History of Human Labor
Episode – 1148 : A History of Human Labor Podcast Transcript Ever since humans came out of the African savannah, they have had to work to survive. But the nature […]
Episode – 1143 : Oxygen
Episode – 1143 : Oxygen Podcast Transcript All around you, in the air and the ground, is the most common element on Earth: Oxygen. As you are certainly well aware, […]
Episode – 1141 : Antarctica’s Dry Valleys
Episode – 1141 : Antarctica’s Dry Valleys Podcast transcript Many places on Earth have extreme climates. However, there is one place on Earth that has a climate so extreme that […]




















