All I could hear was the hum and rattle of the window heating system as my small groups of introductory biology students were supposed to be discussing a fairly exciting article about the evolution of blind cave fish (isn’t that inherently kinda cool and thrilling? Who wouldn’t have lots to say about blind cavefish?). It was like this every time I tried discussions or small group activities. Here it was the seventh week into the semester and I was at my wits’ end.

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