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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
Seeing with our tongue
http://www.pbs.org/kcet/wiredscience/video/286-mixed_feelings.html
I find it fascinating that it is possible to take what seems like a completely different signal and translate it to become a desired signal. After looking at this video, I believe that it is almost 100% possible to hear with your eyes, and see with you ears. It might not be exactly what we think as "hearing" or "seeing" but if put in a situation where our sensory wires were switched, we ourselves would be convinced that we heard lightening and saw thunder.