On today’s episode: The same things that cause autoimmune diseases may have helped our ancestors survive the Black Death. It’s Halloween! Let’s talk about the science of why we like scary things! All that and more today on All Around Science.

LINKS: * [ARTICLE] Bubonic plague left lingering scars on the human genome

THEME MUSIC by Andrew Allen
https://twitter.com/KEYSwithSOUL
http://andrewallenmusic.com