Many scientists are cynical about moral reasoning. They claim that humans do not reason about right and wrong to improve their moral perspectives, they do so to justify themselves to others. Reasoning ...

Twenty-six-year-old Jane Goodall watched a chimpanzee named David Greybeard strip leaves from a grass stem, creating a tool to fish for termites. This moment would redefine our understanding of what ...

Reviewed by David Susman, PhD Key Takeaways Kohlberg's theory of moral development outlines six stages across three levels, showing how people progress in moral reasoning from obeying rules to ...