Speciation is the process by which barriers arise between populations that prevent them from inter-breeding. So how do anoles recognize their own species? One way is through the colors and...

From mistresses to scandalous engagements and everything in between, here are 10 truly tawdry tales from the Royals. 0:00 - Intro to 10 Tawdry Royal Scandals 0:29 - Louis XIV s Many Mistresses...

J.S. Lovering Wharton built this house on a rock off the coast of Rhode Island because, as legend has it, he wanted a place where no one could bother him. From: AERIAL AMERICA: Rhode Island...

While Thomas Edison is best-known for inventing the lightbulb, it s often forgotten that he also set up the world s first movie studio, in Fort Lee, NJ. From: AERIAL AMERICA: New Jersey http://bit...

In summer, Arctic foxes shed their white coats in order to blend in. This gives them a natural advantage when hunting for their favorite food: fresh goslings. From: POLAR BEAR SUMMER http://bit.ly...

One of the most important byproducts of the Hoover Dam is an artificial body of water known as Lake Mead. Its presence has helped the population of Clark County grow sevenfold since 1970. ...

The marriage of Queen Elizabeth II to Prince Philip is now widely regarded as a symbol of enduring union. But in 1947, when the wedding took place, many in the royal family were concerned....

After mating takes place, a female polar bear will prepare for her impending pregnancy by eating voraciously. In all, she will pack on more than 400 pounds, to sustain her during winter. From:...

Tanning was big business in the 1930s, as people sought to recreate the sun-kissed California beach look. Inventive tanning products started to appear, including spray tans and even a tanning...

The waterfalls of Hawaii s Mount Wai ale ale are so picturesque, abundant, and untouched, Steven Spielberg shot parts of his original dino thriller there. From the Series: Aerial America:...

Toward the end of WWI, it became clear to the U.S. government that pilots needed parachutes to better save their lives. So, they set up a crack team to come up with a practical and workable...

Battle after battle, the men of the Irish Brigade held the front lines. Under the guidance of strong leaders they encouraged a new sense pride for Irish immigrants living in America. From:...

In May of 1861, at the Battle of Fair Oaks, the men of the Irish Brigade gave their all to save the Union Army from disaster. From: FIGHTING IRISH OF THE CIVIL WAR http://bit.ly/UlYtWd

The human body hosts more than ten thousand different kinds of microbes. Most of these bacteria aren t harmful - in fact, many of them actually aid the immune system. From: ALIENS INSIDE US...

When a baby is born surgically via C-section, it may miss out on the health benefits of passing through the birth canal. From: ALIENS INSIDE US http://bit.ly/1nhv6zp

In 1934, aviation pioneer Waldo Waterman invented the world s first flying car. From: INCREDIBLE FLYING CARS: Just Add Wings http://bit.ly/1yX3QKI

Deep caves and secret tunnels provide the crocodile with a stealthy advantage in stalking its prey. From: THE PREDATOR COAST http://bit.ly/1lr5Pi0

Safety pins, rhinestones and true couture. Find out where Shelly Lyn got her sparkly start as a vintage fashionista. From: L.A. FROCK STARS http://bit.ly/1niH5wB

From classic movies to punk rock, Sarah s fashion inspiration is as eclectic and extensive as her knowledge of the vintage business. From: L.A. FROCK STARS http://bit.ly/Uq259l

When fire consumes the cabin of flight 2120, it becomes impossible for the passengers to breathe - and for the pilots to control the aircraft. #airdisasters #planecrash Watch the Full Episode...