‘You gotta Pay Or Show Them Anything?’: Man Goes To Tesla Showroom. Then He Gets A 48-Hour Demo

Tesla still offers 48-hour demo drives, but their availability is dependent on the location of the dealership.
Scientific American

Unraveling the Secrets of This Weird Beetle’s 48-Hour Clock

Nearly all animals follow 24-hour activity cycles based on their genetically built-in circadian clocks. But one beetle species operates in 48-hour time chunks instead—apparently driven by a strict ...