What was the only state to have a queen? Who was the shortest U.S. president? Plus, more fun USA trivia you didn't learn in school. Whether you’re celebrating the 4th of July with family and friends, ...

Human behaviour refers to the way humans act and interact. It is based on and influenced by several factors, such as genetic make-up, culture and individual values and attitudes. Practicing components ...

The development of time-keeping, and a book that brings an immune cell back in vogue, in this week’s pick from the Nature archive.