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 – 1182 : Questions and Answers: Volume 11
Episode – 1182 : Questions and Answers: Volume 11 In his 1979 book Hitchhikers Guide to the Galaxy, Douglas Adams tells of an alien race that builds a computer to […]
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 – 1155 : The Big Bang
Episode – 1155 : The Big Bang Podcast Transcript Throughout history, philosophers have pondered how the universe began. For centuries, it was just that…pondering. It wasn’t until the 20th century […]
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 […]
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 – 1126 : The WOW! Signal
Episode – 1126 : The WOW! Signal Podcast Transcript On August 15, 1977, for a period of 72 seconds, the Search for Extraterrestrial Intelligence had its greatest moment. A signal […]
Episode – 1121 : Space Elevators
Episode – 1121 : Space Elevators Podcast Transcript You’ve probably seen footage of a rocket launch. There is a bunch of smoke and fire as the rocket lifts off to […]
Episode – 1118 : Mount Fuji
Episode – 1118 : Mount Fuji Podcast Transcript Located on the island of Honshu, in the middle of the Japanese archipelago, lies one of the most important and iconic places […]
Episode – 1116 : Soyuz 11
Episode – 1116 : Soyuz 11 Podcast Transcript Having lost the race to the Moon, the Soviet space program decided to go in a different direction. If they couldn’t be […]
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 […]