acid base chemistry

  • Science

    #AskAChemist: What’s the deal with fabric dyes?

    This week on Ask A Chemist… @skepchicks @DrRubidium Why is wool dyed in acid, but cotton dyed in base? #AskAChemist — Robert Coolman (@PrimeViridian) January 14, 2015 Short answer: Longer answer: Wool fibers are basically bundles of protein, specifically the protein alpha-keratin. All proteins are polymers of amino acids, have the general structure shown below. Protein fibers like wool respond really well to…

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  • Science

    Cleanse your Pshhhh

    OK, this is not a feminist article at all, but it does involve another Skepchick favorite: wine.  The Pshhhh I am speaking about cleansing is your palate. Recently, I read an article in Current Biology about palate cleansing and it didn’t leave me satisfied. Their study gave a slightly vague reason about why wine goes with cheese and peanut butter…

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