Whether it's baby formula or peanut butter, every product has a specific threshold of biological matter that can be included in the package. (babygaga.com)
Her team has also been building 3 - D printers capable of printing biological matter and glass. (pagesix.com)
Though all three are made of calcium carbonate crystals, the hard materials include clumps of soft biological matter that make them much stronger. (pnnl.gov)