The Science Behind Sandcastle Construction

Grab your towels and flip flops, because we're heading to the beach. Whether you love playing in the sand, or dread getting it off your feet, building a sandcastle is an often underappreciated art form. In today's encore episode, Emily Kwong asks, scientifically, what is the best way to make a sandcastle? What's the right mix of water and sand to create grand staircases and towers?

Sedimentologist Matthew Bennett shares his research and insights.

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