They Live and Breathe Letterboxing

Is a kiss really just a kiss? In this one-minute video, our Ask Smithsonian Host, Eric Schulze, explains why we pucker up.

Ask Smithsonian: Why Do We Kiss? (1:11)

For six weeks, luna moth caterpillars gorge themselves on the leaves of the marula tree. Then, when they're ready, they instinctively weave giant cocoons around themselves in preparation for their stunning metamorphosis.

Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon (2:34)

The bust of Nefertiti contains one of the most beautiful faces in the world. So beautiful, a mathematical formula was used to sculpt it.

How to Achieve Flawless Beauty (2:54)

In this exclusive clip from the 1930s, Confederate veterans step up to the mic and let out their version of the fearsome rallying cry

What Did the Rebel Yell Sound Like? (4:22)