At some point in their childhood, nearly every kid wants to be a ninja. With a backyard ninja obstacle course, your child can train just like the heroes they see on TV. These versatile obstacle ...

Shini talks to us about optical instruments and how they make magnification possible. How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand ...

Obstacle course racing is being tested as a replacement for show jumping in the Olympic sport modern pentathlon. I was the first reporter in the world to try the Ninja Warrior-like course. Show ...