It's called Elephant Snot - yep, that's the brand name - and Saguaro National Park officials hope to learn by late July whether it's safe as well as effective in removing graffiti from cactuses. "It's ...

Wondering about shyness, self-esteem, or that non-stop urge to take a risk? Our quizzes cover the “Big Five” personality traits, the dark triad, and much more. Each quiz contains 20 questions and ...