Radio New Zealand - Te Reo Irirangi o Aotearoa
27 May 2012 - 6:51 pm NZ time
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Food additive
from This Way Up on Saturday 27 February 2010
Everything from toothpaste to ice cream, stuffed olives, and corned beef contains seaweed. We head to the supermarket with scientist Wendy Nelson to find out why.
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