SciShow Tangents cover image

Crust with Ashley Roboto

SciShow Tangents

CHAPTER

Parsley and Conjunctivitis

In the 1980s, an outbreak of conjunctivitis at an ostrich farm caused a large dark crust to form on the eyelids and skin of ostrich chicks. Researchers found that parsley had gotten mixed into their food and was making the birds more sensitive to light. We're going to equate everything in SpongeBob terms now for the rest of the episode.

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