Chemistry and love the science of Valentine’s Day explained

For two people to fall in love the chemistry between them has to be just right. In his latest video for The University of Nottingham's Periodic Table of Videos website, Professor Martyn Poliakoff examines the science of Valentine's Day. This eight minute video looks at why chocolate melts in your mouth rather than your hand, and how roses display that deep red colour so favoured as the perfect gift on February 14. The video has proved a popular one, with more than 10,000 views just 10 hours after being uploaded. It even features Professor Poliakoff — who has become something of a scientific superstar on YouTube —explaining the chemistry of love. "In chemistry different atoms and compounds combine together to form stable molecules and complexes," Professor Poliakoff explains. "In the same way, if you get the right two people they will react together and make a very stable combination.