Japanese scientists have developed a kissing simulator and a hugging simulator designed for long-distance lovers and lonely people respectively.
Valentine’s Day. There’s one thing on everyone’s mind - kissing, of course. And it’s not just for us boy crazy girls or girl crazy boys, it’s for science. That's right, because in a new book called "The Science of Kissing: What Our Lips Are Telling Us," researchers explore the origins of kissing and how the practice of smooching has evolved over the centuries.