Episode – 0968 : All About Air Right now, as you are listening to the sound of my voice, you are breathing air. Air is all around you all the […]
Episode – 0957 : Artificial Sweeteners
Episode – 0957 : Artificial Sweeteners Podcast Transcript In 1879, Constantin Fahlberg, a chemist at Johns Hopkins University, made an astonishing discovery. He was conducting experiments with coal tar when […]
Episode – 0950 : Vitamin D
Episode – 0950 : Vitamin D Podcast Transcript Of all the vitamins and nutrients which are required by the human body, there are 13 of which that are considered essential […]
Episode – 0915 : Carbon: Can’t Live Without It
Episode – 0915 : Carbon: Can’t Live Without It Podcast Transcript Every form of life which has ever been discovered, regardless of its size or how it metabolizes energy, has […]
Episode – 0835 : Vitamins
Episode – 0835 : Vitamins Podcast Transcript For thousands of years, humans knew that certain foods could treat certain ailments. However, why or how the foods did this was totally […]
Episode – 0832 : The Broad Street Cholera Outbreak
Episode – 0832 : The Broad Street Cholera Outbreak Podcast Transcript In 1854 an unusually severe outbreak of cholera occurred in London. While cholera was not an uncommon disease, physicians […]
Episode – 0830 : High Fructose Corn Syrup
Episode – 0830 : High Fructose Corn Syrup Podcast Transcript In 1957, two chemists at the Clinton Corn Processing Company of Clinton, Iowa, developed a system for converting the glucose […]
Episode – 0827 : The Electromagnetic Spectrum
Episode – 0827 : The Electromagnetic Spectrum Podcast Transcript All around you, right this second, you are surrounded by electromagnetic radiation. You might better know this by names such as […]
Episode – 0767 : Lithium
Episode – 0767 : Lithium Podcast Transcript With an atomic number of three, Lithium is the third lightest element on the periodic table and the lightest solid at room temperature […]
Episode – 0718 : Noble Gases
Episode – 0718 : Noble Gases Podcast Transcript Located on the far right side of the periodic table are the Noble Gases. These elements, six of which can be found […]
Episode – 0697 : The Cult of Pythagoras
Episode – 0697 : The Cult of Pythagoras Podcast Transcript He was one of the greatest thinkers of the ancient world. He was a philosopher, a mathematician, and had some […]
Episode – 0683 : The History of Rice
Episode – 0683 : The History of Rice Podcast Transcript For thousands of years, rice has been one of the most important agricultural crops in the world. It has fed […]
Episode – 0651 : Chickens
Episode – 0651 : Chickens Podcast Transcript Around 10,000 years ago, someone in Southeast Asia captured a bird that lived on the floor of the jungle. Today, billions of descendants […]
Episode – 0624 : All About Hydrogen
Episode – 0624 : All About Hydrogen Podcast Transcript There is one substance that makes up 98% of the observable matter in the universe, yet you will almost never encounter […]
Episode – 0596 : How SCUBA Diving Works
Episode – 0596 : How SCUBA Diving Works Podcast Transcript SCUBA diving is a popular activity that has recreational appeal and commercial uses. Most people who have never gone SCUBA […]
Episode – 0590 : More Than You Ever Really Wanted to Know About Sewers
Episode – 0590 : More Than You Ever Really Wanted to Know About Sewers Podcast Transcript Sometimes the most important things are things we don’t even want to think about […]
Episode – 0497 : Gold! Gold! Gold!
Episode – 0497 : Gold! Gold! Gold! Podcast Transcript Believe it or not, one of the most valuable elements on the Periodic Table was also the first one that was […]
Episode – 0437 : Cosmic Rays
Episode – 0437 : Cosmic Rays Podcast Transcript Who matter where you are right now, no matter what time you are listening to this, there is one thing that I […]
Episode – 0421 : Ignaz Semmelweis
Episode – 0421 : Ignaz Semmelweis Podcast Transcript In the mid-19th century, a Hungarian physician advocated for an incredibly simple technique that would go on to save millions of lives. […]
Episode – 0335 : The Incredible Polgar Sisters
Episode – 0335 : The Incredible Polgar Sisters Transcript László Polgár was born just after World War II in Hungary. His field of study was the nature of human intelligence. […]