After all the controversy over the past few years about gain-of-function research on viruses, especially the Covid-19 virus, I thought this kind of work was on hold, at least in the U.S. Indeed, the ...

Gain-of-function experiments can help researchers get ahead of viruses naturally gaining the ability to infect people in the wild. But they're also used for many other areas of study within biology.

A Google search for "Frio Cave" makes the Uvalde County, Texas destination look like a tourists' dream. One quickly learns that the cave is home to tens of millions of Mexican free-tailed bats, and ...