Next time you take a bath, there might be boron in your soap. Also take a look at the detergent that you wash your clothes with. Scientist use boron to make glass. Check out the glass in your windows at home, the glass in your car, even the glasses that hold your water. Boron might have been used to make all of them.
Many boats have flare guns in case of emergency.
If someone fires a flare gun and the flare is green, you can thank boron. Boron makes the color of the flare green. Scientists use boron when they make fiberglass. Fiberglass is used in boats and cars instead of metal. Next time you see speedboats racing or someone surfing, you'll know that those things are made out of fiberglass.