Dec. 21: A volcanic eruption, a surge for seaweed and a sign of the times 5 Things to Know Posted: Dec 21, 2020 / 10:05 PM EST / Updated: Dec 21, 2020 / 10:05 PM EST Five Things to Know Before You Go to Bed Close Modal Suggest a Correction Your name(required) Your email(required) Report a typo or grammatical error(required) Submit Suggest a Correction