Acvio says it can cool your house by using hot air to turn a solid into a liquid. The company is showcasing the technology this week at the Nordic Green conference. Michael Kanellos is editor at large ...

University of Colorado at Boulder adjoint professors of physics Deborah Jin, left, and Jun Ye in their cold molecule lab in the JILA building on the CU-Boulder campus. (Photo by Glenn ...

On Science Break, Chief Meteorologist Burton Fitzsimmons shows us a chemical reaction with milk, dish soap and food coloring that creates a cool and colorful effect.