marine sanctuaries

FLORIDA KEYS—The Sunshine State's endangered smalltooth sawfish are dying at an unprecedented rate, and scientists have absolutely no idea why. In late January, reports from the Florida Keys began rolling in: sawfish are spinning in circles and turning up dead. Scientists logged the erratic behavior in 109 sawfish and discovered 28 dead—all within two months. […]

The fourth of July holiday weekend is upon us, and millions of Americans will head to their nearest beach, apply some sunscreen, and soak up some UV rays.