We could never know the variety of lifestyles that humans led, as their preferences ranged from reliable to bizarre. This included a medical condition wherein people felt the craving to indulge in ...

Oct. 3, 2005 — -- It melts in your mouth like chocolate, says Ruth Anne T. Joiner, describing her favorite treat. "The good stuff is real smooth," she adds. "It's just like a piece of candy." ...

If you crave a snack of dirt and clay, you may be pregnant. New research shows that eating dirt, also called geophagy, is most common during the early stages of pregnancy and in young children, where ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...