You’ll Never Guess What Made This Saint Bernard’s Fur Turn Green Overnight

“The story starts with a great deal of drool,” Dr. Stephanie Olson said in a viral Twitter thread on Sunday. The assistant teacher in Purdue University’s Department of Earth, Atmosphere, and Planetary Science observed something odd on her Saint Bernard’s fur. Olive’s neck had actually turned green over night! As an “early Earth geochemist,” Dr….

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