In 1968, "The Population Bomb" was published, with dire predictions of a coming world that could not feed itself. It launched the Zero Population Growth movement. Since then, the world population has doubled. What did the book get right and wrong?
Branding may put you in mind of that steak commercial on TV where the beef is seared with a hot iron marked Grade A. And in truth, the process on humans is not that different. Yet people who have been branded say there is pleasure in the pain.
Most of us have tried our hand at the intricate (and sometimes exasperating) art of origami. But who first decided that folding paper into elaborate shapes sounded like fun? Find out in How Origami Works.
Midwives have existed for as long as babies have been born, with references in ancient Greek and Roman texts and the Bible. Midwives today attend about 75 percent of births worldwide. But what exactly is a midwife and what does she do?