When you look more generally at life on Earth, you find that it is all the same kind of life. There are not many different kinds; there’s only one kind. It uses about fifty fundamental...

the Z-particle Pure energy—no mass at all. It may well be thesmallest building block in nature. Matter is nothing but trapped energy.

It’s true,’ he begins, ‘that the universe is this big, vast thing, and humans will probably never explore even a tiny fraction of it. But that doesn’t mean we’re alone or we’re displaced from it....

Individually, every grain of sand brushing against my hands represents a story, an experience, and a block for me to build upon for the next generation.