medical students, who prepare the samples for testing.</p>
            <p name="0c18" id="0c18">After weighing out the crystals, aggressively mixing it with methanol until dissolved, and delicately pouring the liquid into a tiny brown bottle, Lladanosa, a petite woman who is nearly engulfed by her lab coat, is now ready to test the sample. She loads a series of three trays on top of a large white appliance sitting on a table, called a gas chromatograph (GC). A jungle of thick pipes hang from the lab’s cei