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Dec 27, 2021

Come learn about the biggest centipede on earth, discover their insane hunting habits, and hear two big pieces of news from the millipede world on this episode of Species.


Dec 13, 2021

When Men Behave Badly:

Dr. David Buss is the most referenced evolutionary psychologist in history, and one of the most influential psychologists on earth. In this episode, he joins us to explain conflict between the...

Nov 28, 2021

What's so special about the human brain?


If you would like to learn about human evolution, listen to Macken's audio course here: 

Nov 14, 2021

The honeyguide is, perhaps, humanity's oldest friend. We share a symbiotic relationship that is among the most complicated examples of mutualism in naturethe only natural instance of human cooperation with a wild animal. Come learn about one of Macken's favorite creatures on this episode of Species.


Oct 24, 2021

How do you breed betta fish in a US prison? How come betta bubbles don't pop? Why do betta fish gulp air? And what does this have to do with self-defense law? Come get your answers to these questions, and learn a bit about violence, on this episode of Species.