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 ...

When it comes to affectionate and friendly animals, most people opt for cats or dogs, but there are others who take a more interesting route, choosing rodents, birds, reptiles, or fish. Signs that a ...

The author writes, “Biodiversity is increasingly declining in response to the effects of human activities on Earth’s climate, geological processes, and ecosystems. This includes the degradation of ...