
 Dr Karl Podcast
 Dr Karl Podcast Itching, black holes and dogs
 Oct 12, 2023 
 Dr Karl and guest host Ash McGregor discuss various fascinating topics, including itch and pain, moon mining's impact on Earth, the relationship between strength, muscle mass, and energy expenditure in weightlifting, and the incredible tracking abilities of sniffer dogs. 
 Chapters 
 Transcript 
 Episode notes 
 1  2  3  4  5  6 
 Introduction 
 00:00 • 4min 
 Spaghetti-fication and Time Dilation near Black Holes 
 04:09 • 8min 
 The Science of Itch and Pain 
 11:49 • 7min 
 The Potential Impact of Moon Mining 
 18:26 • 14min 
 The Relationship Between Strength, Muscle Mass, and Energy Expenditure in Weightlifting 
 32:10 • 2min 
 Effort and energy expenditure, and the tracking ability of sniffer dogs 
 34:13 • 5min 
