Teeth are categorized by their placement and function. Sharper teeth near the front of your mouth tear food into smaller pieces, while flatter teeth at the back of your mouth grind the food down.

James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...

With breathtaking photography and in-depth articles, a National Geographic magazine subscription lets you explore nature, science, history, and culture like never before. Each month you will receive a ...

Also known as 'incremental' or 'idle' games, the name betrays certain expectations: click your mouse, get a tiny reward, and repeat until you can make the process more efficient and lucrative. Once ...

27 Department ofEpidemiology and Preventive Medicine, University of Regensburg, Germany 28 Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia Faculty of ...