We use it in our cloths (as the dyeing), for cooking (as salt and the fire we use), to clean our houses (as detergents, disinfectant), to our hygiene (as deodorants, toothpaste, soap).
But chemicals move our bodies, as the breathing process and all the other biological process we need to live.
In June 1998 in Japan a scientist discovered that neutrinos (which is a type of particle) has weight, mass. This was later proven with some very convincing strong evidence.
