The U.S. Consumer Product Safety Commission (CPSC) has issued a safety warning after the discovery that tabletop fire pits ...

When water molecules do this, they change from liquid water to water ... Why do you think that happened? Isopropyl “rubbing” alcohol (see the second part of this activity, “What else could you try”) ...

The copies should be darker and clearer than with no liquid at all. The detergent solution ... used on your newspaper and the white paper used to copy it. Isopropyl “rubbing” alcohol is flammable and ...