Chief meteorologist Mark Dixon takes a look at the properties of the metal gallium during Aug. 3's Science Sunday.

Chief meteorologist Mark Dixon checks out the science behind using a fire extinguisher to fire a pencil into a piece of plywood. Here's Jan. 4's Science Sunday. Chief meteorologist Mark Dixon checks ...

Microplastics have shifted from an abstract pollution problem to something that can show up in the glass on your kitchen table. The science is still catching up to what that means for long term health ...