July 17, 2026

The sci-fi movie “Disclosure Day” predicts that our reaction to intelligent alien life will be chaotic. But what does the science say? Plus, sure, botflies are gross, but they also know just how to hitch a ride on a camel sneeze. An entomologist celebrates the world of parasites. And, in a recent analysis, scientists argued that New Orleans should relocate. But planning for a city’s future is about much more than geography.