Making the Perfect Cup of Tea is More Science than Art (04:45)

 Why the Nazis Interviewed British POWs in Slick Film Segments (02:39)

 A Traditional Cretan Cheesemaker Reveals His Secrets (02:06)

This Imposing Concrete Hideout is Where Nazi U-Boats Were Once Built (04:05)

Harrowing World War II Footage of the Allies Bringing Supplies to Malta (03:50)

A Cruise Ship Faces Dangerous Malfunction as it Approaches Port (02:17)

Destroying the Dnieper Dam Sent a Strong Message to the Nazis (03:24)

How Stalin, Churchill & Roosevelt Carved up a Defeated Germany (03:31)

This Machine Creates A Mesmerizing Waterfall Of Pasta Inside The Factory Smithsonian Channel (03:36)

Why Maintenance Crews Have to Work Fast to Check a Ship’s Engines (01:10)

The Martin Luther King, Jr. Memorial Is One of America's Greatest National Monuments (03:04)

We Can't Stop Watching This Egg Separator in Action (04:08)

Unfathomable Cruelty at the Heart of Hitler’s Russian Invasion (02:21)

This Pepperoni Slicer is Mildly Humorous and Ruthlessly Effective (03:37)

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

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

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

Play Sessions Indicate Who Will Rise in Lemur Society (03:07)

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

The Distinctive Ears of the Eurasian Lynx Are A Mystery (03:33)

The Crazy Design That Allows This Hudson Yards Showroom to Expand (03:57)

Doris Miller went from Mess Attendant to a Hero of Pearl Harbor (03:57)

A Spectacled Bear’s Sense of Smell Puts a Bloodhound to Shame (01:55)

Two Huge World War II Battleships Were Recommissioned for the Gulf War (03:36)

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

Like Many Artists, Dale Chihuly Struggled with Depression (03:52)

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

Red Deer Stags Clash Violently for the Right to Mate (04:27)

The All-Female Shang-Era Troops Led by Queen Fu Hao (03:24)

An Auction Buy Turns Out to Be a Unique U.S. Warship (03:43)

This Wild Boar Female Is the Decision-Maker in Her Herd (02:11)

This Forest Gecko Is a Near-Invisible Assassin (03:59)