![The Strange Blue Glow That Saved Lives](https://hight3ch.com/wp-content/uploads/2016/04/the-strange-blue-glow-that-saved.jpg)
Back in 1862, soldiers fighting in the American Civil War noticed a strange blue glow on their wounds. It took a couple of High School students to figure out what it was.
Back in 1862, soldiers fighting in the American Civil War noticed a strange blue glow on their wounds. It took a couple of High School students to figure out what it was.