Tal Chitayat has been making sponges out of walnut and coconut shells for the past decade. This year, he's bringing them to the New York City marathon. Sponges at a marathon? Thousands are used each year to help runners cool down. Unfortunately, they're made out of virgin plastic.
Tal Chitayat has been making sponges out of walnut and coconut shells for the past decade. This year, he's bringing them to the New York City marathon. Sponges at a marathon? Thousands are used each year to help runners cool down. Unfortunately, they're made out of virgin plastic.
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