By Michelle Miner The desert is filled with skeletons. It’s not just the remains of animals, but the inner artistry of plants too. As we humans know all too well, water means life, and water means weight. Life is especially heavy for the saguaro who can carry over a thousand gallons of liquid. But this weight isn’t a burden, it’s a boon. A saguaro skeleton supports a long, creative lifespan of up to about 200 years. Its strong, woody ribs are scaffolding for collaboration, innovation, and…