Joshua Tewksbury and colleagues study whether the hot stuff in chili fruit ... nasal membranes (it puts the sting in pepper spray). But its function in wild chili plants has been mysterious.

Sting, Billie Eilish, Lady Gaga, and the Red Hot Chili Peppers headline FireAid, a benefit concert supporting Los Angeles wildfire relief. Originally set for the Intuit Dome in Inglewood ...