Johns injects less than one-tenth of a teaspoon’s worth of the silk and hyaluronic acid mixture through a special catheter wired through his endoscope. He keeps his patients awake for the injections, sitting upright in that pleather chair. The procedure wraps in about two minutes. Like other vocal fold injections,Continue Reading

Rotifers are microscopic freshwater-dwelling multicellular organisms. They’re already known to withstand freezing (even in liquid nitrogen), boiling, desiccation, and radiation, and the group has persisted for millions of years without having sex. The humble yet remarkably hardy bdelloid rotifer has now surprised researchers yet again—a recent study unearthed 24,000-year-old SiberianContinue Reading