Learn about why there’s no patent for the polio vaccine; a hypothesis that says a black hole would incinerate you; and what causes “Alexander’s band,” the dark strip of sky inside a double rainbow.

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In this podcast, Cody Gough and Ashley Hamer discuss the following stories from Curiosity.com to help you get smarter and learn something new in just a few minutes:

• Jonas Salk Didn't Patent His Polio Vaccine — https://curiosity.im/2HWBfm1
• The Black Hole Firewall Hypothesis Says a Black Hole Would Incinerate You on the Spot — https://curiosity.im/2HZG65J
• Alexander's Band Is the Dark Strip of Sky Inside a Double Rainbow — https://curiosity.im/2HWALMM

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Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/black-hole-firewall-hypothesis-polio-vaccine-history-and-double-rainbow-science

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