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 – 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 […]
Episode – 1136 : Antimatter
Episode – 1136 : Antimatter Podcast Transcript It is the most expensive substance in the world by a wide margin. When it was first proposed, it was actually proposed in […]
Episode – 1114 : The Maya Civilization
Episode – 1114 : The Maya Civilization Podcast Transcript Centuries before the arrival of Europeans, one of the greatest civilizations in the Americas rose and fell. They left behind a […]
Episode – 1105 : The Silurian Hypothesis
Episode – 1105 : The Silurian Hypothesis Podcast Transcript The universe is billions of years old. If, in the future, humanity were to explore the galaxy and visit other planets […]
Episode – 1104 : Titanium
Episode – 1104 : Titanium Podcast Transcript Titanium is the ninth most abundant element in the Earth’s crust. However, titanium is not even remotely close to the ninth most common […]
Episode – 1100 : Could There Be Extraterrestrial Life In Our Solar System?
Episode – 1100 : Could There Be Extraterrestrial Life In Our Solar System? Podcast Transcript One of the biggest questions that humanity has asked is, “Are we alone in the […]
Episode – 1085 : The Toba Eruption
Episode – 1085 : The Toba Eruption Podcast Transcript 74,000 years ago, the Earth suffered the greatest natural disaster that it has seen in the last several million years. A […]
Episode – 1072 : Iron
Episode – 1072 : Iron Podcast Transcript Located at the 26th place on the periodic table is the element iron. Iron is one of the most important elements in the […]
Episode – 1050 : Irrational Numbers
Episode – 1050 : Irrational Numbers Podcast Transcript There is a particular type of number that is so common we have keys on calculators to handle them. However, thousands of […]
Episode – 1045 : The Most Dangerous Substances in the World
Episode – 1045 : The Most Dangerous Substances in the World Podcast Transcript There are a great many chemicals that are dangerous to work with. Things that you wouldn’t want […]
Episode – 1041 : Thorium
Episode – 1041 : Thorium Podcast Transcript Located in the 90th place on the periodic table is the element Thorium. Thorium, as with every element, has unique properties, making it […]
Episode – 1040 : The Domestication of Cats
Episode – 1040 : The Domestication of Cats Podcast Transcript Dogs and cats are both domesticated, four-legged, fur-bearing mammals. Beyond that, they really don’t have much in common. One of […]
Episode – 0968 : All About Air
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 – 0964 : Nanotechnology
Episode – 0964 : Nanotechnology Podcast Transcript In Greek, the word for dwarf is “nanos.” The International Bureau of Weights and Measures adopted the prefix ‘nano’ to mean one billionth. […]
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 – 0954 : Magnetic Pole Reversal
Episode – 0954 : Magnetic Pole Reversal Podcast transcript Once every 450,000 years or so, the Earth undergoes a radical transformation. The planet’s magnetic field will literally flip. The north […]
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 – 0924 : Leprosy: Humanity’s Oldest Disease
Episode – 0924 : Leprosy: Humanity’s Oldest Disease Podcast Transcript For thousands of years, one of the most terrifying and destructive diseases which afflicted humanity has been leprosy. Leprosy is […]