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In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.

In this activity, learners discover how hard their hearts work to pump blood.

In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

Walk a toy to the edge of its doom, maybe it'll fall off the edge of a table, but it will safely stop right before falling.