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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
another route to decentering
Quoted in "On Beyond Newton"
The old idea was always that the stars were fixed to a crystal vault to stop them falling down. Today we have found the courage to let them soar through space without support ... The universe has lost its centre overnight, and woken up to find it has countless centres. So that each one can now be seen as the centre, or none at all. .............. Life of Galileo, by Bertold Brecht