Certain grasshoppers are generally mild-mannered and solitary creatures.¹ However, when their population becomes dense enough, their bodies physically change and they clump together, sometimes forming the kinds of swarms that have plagued mankind throughout history.

Flesh-eating zombies may be the work of science fiction horror, but necrotizing soft tissue infection—a severe type of infection that destroys tissue—is a real condition that can kill about 30 percent of those infected and disfigure the rest.

By Brian Thomas, M. S. and Christine Dao*

Antibiotics are a bit like electronic products. Given time, they become obsolete. Scientists at the Rockefeller University have taken antibiotic technology to the next level by targeting bacterial genes. A new drug may have turned the tables on drug-resistant "superbugs."