Hellen Keller and Mark Twain in side by side black and white photographs

History’s Other Odd Couple: Mark Twain and Helen Keller

Helen Keller and Mark Twain's unusual friendship.
Close-up of a quarter balanced on a thumb just before a coin flip

“It’s the psychology, stupid.” What really decides elections?

The "rational choice" model alone doesn't account for voting behavior. So what does?
Marijuana plant

Is Marijuana Good for Public Health?

What if the rise in marijuana smoking prompted by legalization brings more than just tolerable negative side effects? What if it is actually good for public health?