brown apples /oss/taxonomy/term/6156/all en Why does lettuce turn brown? /oss/article/general-science/why-does-lettuce-turn-brown <p>That’s an interesting question. <em>How</em><em> </em>lettuce turns brown is well known, but <em>why</em> this happens is a different story. Let's deal with the <em>how</em> first.</p> Mon, 21 Mar 2022 19:45:04 +0000 Joe Schwarcz PhD 9057 at /oss