A man with his fingers crossed for good luck, circa 1950. (Photo by Fox Photos/Hulton Archive/Getty Images) We have nearly 100 billion neurons in our brain—about the number of stars in our galaxy—and they must all act in a particular way in order for us to exist precisely as we do. Similarly improbable, as Richard Dawkins wrote, “The potential people who could have been here in my place but who will in fact never see the light of day outnumber the sand grains of Arabia.” For that sperm to meet that egg, and so forth. We exist This story is from Kinfolk Issue Thirty-Seven Buy Now Related Stories Arts & Culture Issue 47 Minor Miracles Why good luck has great odds. Arts & Culture Issue 47 Alice Sheppard On dance as a channel to commune with the body—even when it hurts. Arts & Culture Issue 47 Dr. Woo Meet the tattoo artist who's inked LA. Arts & Culture Issue 47 Walt Odets The author and clinical psychologist on why self-acceptance is the key to a gay man's well-being. Arts & Culture Fashion Issue 47 A Picture of Health Xiaopeng Yuan photographs the world’s weirdest wellness cures. Arts & Culture Issue 47 Chani Nicholas and Sonya Passi Inside the astrology company on a mission to prove workplace well-being is more than a corporate tagline.