I’d seen waterfalls before, but never like this. I was sliding down a wire some 50 feet (15 m) in the air, sailing through the treetops at 30 miles an hour (48 km/h). Somewhere off to the left of me ...

In 2022, researchers collected caterpillars off a plant in the arid highlands of the Andes Mountains of Chile, then patiently waited to see what they became. Two months later, adult moths, mostly ...