Billionaire entrepreneur Mark Cuban has some unusual advice for investors: stock up on toothpaste. “How much space does toothpaste take?” he asked in an interview. It’s difficult to imagine the owner ...

How does toothpaste get into the tube? How do CDs come to be? Addressing the curiosity that kids have about the origins of familiar objects, author/illustrator Bill Slavin explains the processes ...

Whether you’re a roller or a squeezer, the age-old question of what to do with the tube once every inch of toothpaste has ...