Lip kissing is an act that’s so natural and common in many present-day societies it is easily taken for granted. But it’s not actually clear whether people have always been kissing, or whether its ...
A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, culture, and even species boundaries, conveying a great deal of meaning ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “The meeting of ...
How Did Humans End Up Smooching on the Lips? It May Have Started Out With a 21-Million-Year-Old Kiss
Kissing, for all popularity, is a bit of a mystery. Scientists have long debated when humans’ ancestors first put their lips together, and whether the act is simply a cultural trait. A new study ...
A married pair of researchers have “set the record straight” on the ancient history of smooching. A Babylonian clay tablet of a nude couple embracing on a bed, circa 1800 B.C. According to a new study ...
Sophie Lund Rasmussen has received funding from the Edubba Foundation and the Carlsberg Foundation. Troels Pank Arbøll has received funding from the Edubba Foundation and the Carlsberg Foundation. Lip ...
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