ANTIBIOTIC RESISTANCE IS BECOMING A CRISIS. “Some bacteria, such as those causing tuberculosis and gonorrhea, have become resistant to multiple antibiotics. In the past few years, researchers discovered a new enzyme known as NDM-1 that can confer resistance to antibiotics on bacteria and can easily jump among different species. As the first-line antibiotics are lost, the replacement treatments are often more expensive, and more toxic. Meanwhile, the pipeline of new antibiotics is drying up.”