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In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

In this neuroscience activity (4th activity on the page), learners make their own set of Von Frey hairs to test detection thresholds.

In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

In this activity (2nd activity on the page), learners explore how the nose is responsible for part of the flavor we taste in food.

In this activity (17th on the page), learners investigate why you cannot see colors in dim light.