What You See When You Turn a Fish Inside Out

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)

A hammerhead shark locates a stingray hiding beneath the ocean floor. Unnerved, the stingray makes a dash for freedom but is it too late?

Hammerhead vs. Stingray (2:25)

Sand strikers, also known as bobbit worms, are primitive-looking creatures that lack eyes, or even a brain. Despite this, they are savage predators who shoot out grapple-like hooks to reel in passing fish.

This Terrifying Worm Snatches Fish From the Ocean Floor (3:18)

Eric Green, director of the National Human Genome Research Institute, explains how genomics are revolutionizing medicine at Smithsonian's "The Future is Here" event

The Human Genome: Unlocking Life's Code (15:37)