SYMHC Classics: Tunguska Event

This 2019 episode shares how Hennig Brand discovered phosphorous by boiling pee. But he was really thought the secret to the philosopher’s stone might be found in urine. See omnystudio.com/listener for privacy information. 

Tracy talks about amusing old illustrations of babies in utero. Holly shares anecdotes about George Stephenson's life that rarely make it into discussions of his life.See omnystudio.com/listener for privacy information. 

Apollo 11 rides a fireball back through Earth’s atmosphere before splashing down in the Pacific Ocean. Why, after forever changing the course of human history, did we stop going to the Moon, and what, 50 years later, is NASA and the private sector planning for humanity’s next gia ...  Show more

When amateur astronomer Richard Carrington gazed through his telescope on the morning of September 1st, 1859, he noticed something weird about the surface of the sun -- it seemed to have clusters of dark spots. Later historians would recognize this as the earliest observation ...

The Roswell crash is perhaps the most famous UFO incident in history. But for more than 30 years after the debris was found in 1947, the case was relatively unknown. It resurfaced in 1980, amid an era of civilian UFO investigation and government disinformation, two efforts that w ...  Show more

Spy balloons are really blowing up right now. The US has shot down one confirmed Chinese balloon and has engaged several other unidentified flying objects. But like so many things we cover on this podcast, it's an old method in a new outfit. Spy balloons for reconnaissance go ...