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Alkaline

  • Article

    Baking Soda and Pretzels

    Pretzels are very similar to bagels in terms of cooking technique and ingredients. So why do pretzels have baking soda on the outside?

  • Article

    Martian blood oranges

    Why would a perfectly respectable blood orange turn green? There's only one real answer, and it has nothing to do with aliens.

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