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What makes the ripples on a sandy beach? And why is the sea salty? Adam Walton visits Bangor's School of Ocean Sciences to investigate sea wash, sediment and sticky mud.

33 minutes

Last on

Sun 13 Nov 2011 06:30

Adam Walton

Adam Walton

Adam's "other job" - tune in every Saturday at 10 PM for the best new music from Wales.

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