Your Existence: The Definition of Improbable

Fourteen billion years ago, the Big Bang sprung forth, sending out matter, light, and energy, giving birth to the universe. In one of the great unsolved mysteries of physics, matter outpaced antimatter, creating something rather than nothing. And as I will explain, everything that happened after represents the ultimate and improbable sequence of events that…

Space Medicine Physiology: A Review of Systems

In any human exploration of an unknown place, whether it was sailing to the New World, climbing Mount Everest, or racing to the South Pole, human casualties seemed inevitable. In order to discover new lands, death was expected. As the final frontier, space presents a challenge to human ingenuity unlike any before. Many brave adventurers…