Sean Carroll is an educator, scientist and writer. His previous books include "The Particle at the End of the Universe" and "From Eternity to Here," and his latest is "The Big Picture: On the Origins of Life, Meaning, and the Universe Itself." He teaches in the physics department at the California Institute of Technology.
"The Big Picture" touches on the vastness — and smallness — of the universe, and how humanity can find meaning and goodness in an incomprehensibly vast cosmos.