In spring 2022, a handful of red foxes in Wisconsin were behaving oddly. Veterinary pathologist Betsy Elsmo learned that a local wildlife rehabilitation center was caring for foxes with neurological symptoms like seizures, tremors, uncoordinated movements and lethargy. But tests…

Ready, set, go break a record. As elite athletes compete for top accolades in the 2024 Summer Olympics in Paris, at least a few world records will undoubtedly fall. But some of the Olympics’ speediest events — the 100-meter dash…