The pioneering scientists behind xenotransplant kidney research have made another critical advancement—using already FDA-approved drugs, they have discovered the optimal immunosuppression regimen for pig-to-human kidney transplants. QS-21, a potent adjuvant for vaccines against shingles and malaria, is sourced directly from the bark of the soapbark tree, which raises concerns about the environmental sustainability of its supply. Researchers discovered that graphene derived from metallurgical coke can serve as a reinforcing additive in cement and a replacement for sand in concrete—providing an alternative to less sustainable sand mining. Combining an artificial skeleton with biological muscle, researchers have created a two-legged biohybrid robot that is capable of walking and pivoting underwater—overcoming previous limitations. For the first time, scientists have engineered an enzyme that can break stubborn man-made bonds between silicon and carbon that exist in widely used chemicals known as siloxanes, or silicones. |
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