You never worked in a hospital. You never read the scientific literature; (3 out of 16,200 recent articles)
Puchta, H., & Fauser, F. (2014). Synthetic nucleases for genome engineering in plants: prospects for a bright future. The Plant Journal, 78(5), 727-741.
Lindgren, C., Mordenfeld, A., & Hallman, M. (2012). A Prospective 1‐Year Clinical and Radiographic Study of Implants Placed after Maxillary Sinus Floor Augmentation with Synthetic Biphasic Calcium Phosphate or Deproteinized Bovine Bone. Clinical implant dentistry and related research, 14(1), 41-50.
Joshi, N., Reverte-Vinaixa, M., Díaz-Ferreiro, E. W., & Domínguez-Oronoz, R. (2012). Synthetic Resorbable Scaffolds for the Treatment of Isolated Patellofemoral Cartilage Defects in Young Patients Magnetic Resonance Imaging and Clinical Evaluation. The American journal of sports medicine, 40(6), 1289-1295.
Three out of 16,800 recent articles;
Cavadas, P. C., Thione, A., Carballeira, A., & Dominguez, P. C. (2013). Lymphedema after upper limb transplantation: scintigraphic study in 3 patients. Annals of plastic surgery, 71(1), 114-117.
Murphy, B. D., Zuker, R. M., & Borschel, G. H. (2013). Vascularized composite allotransplantation: an update on medical and surgical progress and remaining challenges. Journal of Plastic, Reconstructive & Aesthetic Surgery, 66(11), 1449-1455.
Diaz‐Siso, J. R., Bueno, E. M., Sisk, G. C., Marty, F. M., Pomahac, B., & Tullius, S. G. (2013). Vascularized composite tissue allotransplantation–state of the art. Clinical transplantation, 27(3), 330-337.
And so on ...