We find ways, in short, to represent ourselves as crowds -- through the very medium of our crowd-iness. But we're reinventing applause, too, for a world where there are, technically, no hands.

In a world where we seem to have less and less in common with our neighbors, it’s crucial to focus on what we share. So, here’s an easy one: We’re all human. But wait — what does that mean ...

Editor's Note: The following is an excerpt from Susan Freinkel's book, Plastic: A Toxic Love Story.. Combs are one of our oldest tools, used by humans across cultures and ages for decoration ...

A replica was completed in 2003, but the contents of the original, dubbed "the Eighth Wonder of the World," have remained missing for decades. Golden Gift Construction of the Amber Room began in 1701.