Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these fun facts about life, ...

What do you know about the endocrine system? In school, we learned that hormones and the glands that produce them comprise ...

Scientists don't know whether orcas kill for fun. The marine mammals do some things ... Marilyn Perkins is the content manager at Live Science. She is a science writer and illustrator based ...