Building things so small that they are smaller than the width of a human hair was previously achieved by using a method ...

A large share of medicines developed today may never reach patients for a surprisingly simple reason: they cannot dissolve well enough in water. For most treatments, the oral route remains the gold ...

Discover how the Modified Dietz Method measures investment returns, factoring in cash flow timing and excluding skewing ...

Planet or Plastic? is National Geographic’s multiyear effort to raise awareness about the global plastic trash crisis. Come to this page often to learn more, and find out what you can do to reduce ...

Overview: Vaginal metronidazole gel is inserted into the vagina to treat an infection called bacterial vaginosis. It works by killing certain types of bacteria. The most common side effect is a ...