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Marine biologist soaks up info on sea sponges like a sponge
Use of natural sponges from Singapore's waters gives insight about the sea creatures - and island's heritage
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Mr Lim Swee Cheng wants to speak to people about their bathing habits - their use of bathing sponges, to be precise.
And it would be good if grandma or grandpa are the ones responding, as he is interested in the use of natural sponges sourced from Singapore's waters.
