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Kryptonite is a green crystal-like material found on Superman's home planet - Krypton. The radiation from the rock weakens Superman. Professor Bill Williams tells us if there are any real life equivalents to Kryptonite.
Go to this episode on rnz.co.nz for more details
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Kryptonite is a green crystal-like material found on Superman's home planet - Krypton. The radiation from the rock weakens Superman. Professor Bill Williams tells us if there are any real life equivalents to Kryptonite.
Go to this episode on rnz.co.nz for more details
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