Who gave the first kiss?

origins-kissing.png

When you experience your first kiss you might feel like you are the first in the world to feel that way. Kissing, scientists say, occurs in a variety of animals (even if today it's not in every culture), and it presents an evolutionary puzzle: kissing, a learned behavior, carries high risks, such as disease transmission like herpes and hepititis, while offering no obvious reproductive or survival advantage.

Read more