“To succeed in your professional life isn’t that hard, but to succeed in your personal life is a lot harder. To really be a human is a lot harder. We forget about that.” – Yann Arthus-Bertand, director of the film Human Sometimes...

As the source of the most powerful natural hallucinogen known, salvia is drawing scrutiny from U.S. authorities who want to restrict this Mexican herb, now used recreation­ally by some. But neuro­scientists worry that controlling it before studies have determined...