In a world swirling with opinions and "versions" of truth, it’s refreshing—and comforting—to know that truth can indeed be discovered....

In a world swirling with opinions and "versions" of truth, it’s refreshing—and comforting—to know that truth can indeed be discovered....

You might never spot it at first — a tiny purple flower clinging to the dry scree of Mount Hamilton. It doesn’t bloom for attention. It...