Blood is the life force of humans and animals alike. And so for thousands of years it was believed that blood would in turn give the gods life, which would make the gods want to do nice things for the people. These blood rituals weren't just animal and human sacrifices, they also included small amounts of blood used in ritualistic ways. On this episode, we examine some archaeological finds that point to a time when blood rituals allowed people to communicate with the gods and seek glory in the afterlife.