Serendip is an independent site partnering with faculty at multiple colleges and universities around the world. Happy exploring!
Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
Teaching w/o textbooks
As a follow up to the discussion we had the other day on teaching without using a text book, I thought some of you would be interested in Edutopia. A recent post addresses this topic directly:
http://www.edutopia.org/how-toss-text