(Reuters) - People greet each other in a variety of ways. They might say "hello," "guten tag," "hola," "konnichiwa" or "g'day." They might shake hands, bump fists, make a fist-and-palm gesture or ...

Add Yahoo as a preferred source to see more of our stories on Google. How do elephants say hello? As it happens, researchers are learning more about how the animals greet each other, and how ...

Doma (male) and Kariba (female) greeting. Source: Vesta Eleuteri, used with permission. Like other species that live in multi-level societies, African savannah elephants regularly separate and reunite ...

The handshake, once considered the gold standard of international greetings, has become surprisingly complex. Research has shown significant cultural differences in how Americans and people from ...

An Apple patent application uncovered on Thursday details a method of triggering the automatic exchange of information between two wearables with a simple greeting gesture, like a wave or fist-bump.