Update: November 22

A diver stumbles across a whale shark trapped in a commercial fishing line. Sensing the diver is there to help, the goliath lies still while the rope is cut.

A Whale Shark Cooperates With a Diver Saving Him (1:28)

Whale milk is some of the richest milk available to any mammal. A baby whale will drink 150 gallons of it a day to sustain its dramatic growth.

Baby Humpbacks Need 150 Gallons of Whale Milk a Day (2:51)

Thousands of massive stone monuments, known as Moai, preside over Easter Island. The way they were carved, using only stone tools, seems unfathomable.

How Were Easter Island's Gigantic Statues Actually Carved? (4:11)

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)