James Gleickgleick@mas.to
Sep 17, 2026, 10:05 PMTrue fact: there's no such thing as “chemtrails.” The word for the trails of vapor sometimes created by aircraft is "contrails," short for condensation trails. They're water. They’ve been understood for almost a century. There's no mystery about it, and no controversy, except for the controversy created by right-wing nutcases.
One of whom, to our shame, is the top health official of the US.