When acetaldehyde phenylhydrazone melts, it becomes one of two liquids, based on whether the compound has been exposed to a base or an acid. The former appears at the higher melting point ...

Ice melts at 0 degrees Celcius (0°C). Chocolate melts at about 35°C. We say that chocolate has a higher melting point than ice. Solids and liquids can be changed from one state to another by ...

A new substance, unlike any on Earth, could have one of the highest melting points we've ever seen, theoretically withstanding temperatures of more than 7,460 degrees Fahrenheit. To put that into ...