Frederick Douglass Disagreed with the Quakers Trying to Free Him (02:30)

Lemurs Find a Tree That Produces Fruit for Only Two Weeks a Year (02:06)

How the U.S. Used Small Patrol Boats to Foil Iranian Mines (03:27)

Drones Now Play an Active Role in Sea Turtle Census (04:00)

Do Incubating Sea Turtles Call Out to Each Other When it’s Time to Hatch? (02:28)

A Single Male Lemur Stands Up to a Entire Troop of Invaders (03:57)

How the U.S. Used Small Patrol Boats to Foil Iranian Mines (03:27)

This 200-Year-Old Tree is a Nesting Location for Woodpeckers (01:33)

Recreating Part of Odysseus’ Journey in a Modern Sailing Boat (01:45)

This 19th Century Dresden Museum Received a Careful Makeover (03:58)

How Maritime Expeditionary Security Force Boat Crew Train for Battle (04:12)

Recreating Part of Odysseus’ Journey in a Modern Sailing Boat (01:45)

Seattle's Chihuly Garden & Glass Reflects Its Creator's Sensibility in Every Detail (04:12)

For "Chihuly Over Venice," the Artist Chose the Very Best Collaborators (02:28)

For Dale Chihuly at the Rhode Island School of Design, "The Sky Was the Limit." (02:35)

Frederick Douglass Disagreed with the Quakers Trying to Free Him (02:30)

How the U.S. Used Small Patrol Boats to Foil Iranian Mines (03:27)

The Dam Buster Bombers Set Their Sights on Hitler’s Last Battleship| (03:38)

Do Incubating Sea Turtles Call Out to Each Other When it’s Time to Hatch? (02:28)

Funicular Trains Defy Gravity to Carry Skiers to Resort (03:51)

A Female Bear Tries to Fend off an Aggressive Male Bear (03:24)

These Lemurs Have Found a Way to Scam Tortoises (03:42)