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A new UC Riverside study casts doubt on drought as the driver of ancient Mayan civilization collapse.
The omicron variant of COVID-19 has shuttered UC Riverside's classrooms, if only for a short time. Like most University of California campuses, UCR opted to postpone in-person instruction, owing to the emergence of the highly transmissible variant. The week of Jan. 17 was identified for returning to the classroom. While...