A new study suggests a half-billion-year-old “evolutionary arms race” might have been sparked by developments in the vision of deep-sea giants called “radiodonts.” The “Cambrian explosion” occurred...
I never leave my house without a pair of sunglasses. Usually, there are also pairs in my purse, in my car, and in a coat that I keep in the trunk. In fact, I am both proud and ashamed to admit that I...