What Is the Black Plague… And Should You Be Worried? | PBS Gross Science Video
December 25, 2018
In 2015 Yosemite National Park shut down two campgrounds due to the plague. Should you be worried?
This is an installment of the PBS – Gross Science series. If no film or link appears in this email, go to the blog to view it by clicking on the blog title above. If the film stops & starts in an annoying manner, press pause (lower left double bars ||) to let it buffer and get ahead of you. [Chuck Almdale]
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