The story of evolution is often centered around genes and randomness. More and more, scientists are finding that culture is also a driver of evolution. When we explore how humans have both emerged from an evolutionary process and contribute to it, we begin to understand ourselves differently....

When the wind is just right, on a small beach in Titusville, Florida, horseshoe crabs crawl out of the water and onto the beach to lay their eggs. Jim and Colin joined up with two marine biologists—Bob Sluka who works with A Rocha, a Christian conservation organization and Margaret Miller, a...