# Why do the tides go in and out?

An episode of [Imagine This](https://invisiblenetwork.ai/podcast/1367299937), 6 Dec 2022, 13 min.

Audio: https://mediacore-live-production.akamaized.net/audio/01/dk/Z/c2.mp3

Sometimes a beach can look full to the brim, other times the sand seems to go for miles. Is the water going somewhere else? Why does it change throughout the day? Let's find Associate Professor Ana Vila-Concejo to find the answers in some stellar places...

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