Disease and danger may explain why humans embrace rituals.

BY TIM VERNIMMEN, Syndicated from National Geographic Earlier this month, people around the world participated in one of humankind’s largest ritualized celebrations. To commemorate another trip around the sun, New Year activities included fireworks, kisses, and resolutions—as well as some practices unique to specific cultures, such as cooking black-eyed peas and greens in the southeastern United States, eating … Read more