The study by Dr. Isaac Lichter-Marck, recent Integrative Biology PhD alum, "is the first to provide evidence to resolve a long-standing evolutionary debate: Did iconic desert plants, like the stately saguaro cacti, the flaming ocotillos and the Seussian agaves, adapt to arid conditions only after they invaded deserts? Or did they come pre-adapted to the stresses of desert living?" Read more...