Add Yahoo as a preferred source to see more of our stories on Google. Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own ...

Of the 8.7 million species on Earth, why are human beings the only one that paints self-portraits, walks on the Moon and worships gods? For decades, many scholars have argued that the difference stems ...

Many people, including animal advocates and others who want to grant legal rights (including personhood) to nonhuman animals, are often criticized for their views because others fear it will diminish ...