A nuclear-powered car lined with lead and other materials to protect its passengers from radiation would weigh at least 50 tons—more than 25 times as heavy as the average vehicle.

Visions of Nuclear-Powered Cars Captivated Cold War America, but the Technology Never Really Worked

From the Ford Nucleon to the Studebaker-Packard Astral, these vehicles failed to progress past the prototype stage in the 1950s and 1960s

An 1860 photo of New-York Tribune editor Horace Greeley, who challenged President Ulysses S. Grant in the 1872 election

This Defeated Presidential Candidate, Once the 'Best-Known Man in America,' Died in a Sanatorium Less Than a Month After Losing the Election

Newspaper editor Horace Greeley unsuccessfully ran against incumbent Ulysses S. Grant in November 1872. Twenty-four days later, he died of unknown causes at a private mental health facility

The Phrygian cap derives its name from the ancient region of Phrygia, in what is now Turkey. Also known as a liberty cap, it inspired revolutionaries in both the Colonies and France.

The Paris Games' Mascot, the Olympic Phryge, Boasts a Little-Known Revolutionary Past

The Phrygian cap, also known as the liberty cap, emerged as a potent symbol in 18th-century America and France

Not everyone was a fan of rumor clinics. Some critics faulted them for helping hearsay reach an even larger audience.

World War II 'Rumor Clinics' Helped America Battle Wild Gossip

Newspapers and magazines across the United States published weekly columns debunking lurid claims that were detrimental to the war effort

Half a century on, Kohoutek may be due a little more respect. Though it disappointed the media and the public, it proved to be a bonanza for serious scientists.

The 'Comet of the Century' Failed to Impress, but It Wasn't Such a Disaster After All

Highly anticipated before its arrival in late 1973, Kohoutek became an interplanetary punchline. But astronomers may have gotten the last laugh

Though historians today generally agree that Harding died of natural causes, suspicions to the contrary lingered for decades.

Why President Warren G. Harding's Sudden Death Sparked Rumors of Murder and Suicide

The commander in chief's unexpected death in office 100 years ago fueled decades of conspiracy theories but was most likely the result of a heart attack

A lithograph of the 1870 Great Mississippi Steamboat Race

When Deadly Steamboat Races Enthralled America

In July 1852, the "Henry Clay" caught fire during a contest on the Hudson River, killing an estimated 80 people

In the aftermath of the disaster and for decades to follow, numerous theories emerged. The men had been captured by the Japanese. They had been murdered by a stowaway. They had killed each other in a fight over a woman. They had simply fallen out of the blimp.

The 80-Year Mystery of the U.S. Navy's 'Ghost Blimp'

The L-8 returned from patrolling the California coast for Japanese subs in August 1942, but its two-man crew was nowhere to be found

If Thornton Jenkins Hains ever spoke about the Titanic or his short-lived fame in the aftermath of the disaster, those thoughts are now lost to history.

Twice Accused of Murder, This Writer Later Foresaw the Sinking of the Titanic

Under the pseudonym Mayn Clew Garnett, author Thornton Jenkins Hains published a maritime disaster story with eerie parallels to the real-life tragedy

When Paper Clothing Was the Perfect Fit

A war-weary world needed a new wardrobe, and this cheap, washable attire seemed to rise to the occasion

Don the Talking Dog was a vaudeville hit.

When Don the Talking Dog Took the Nation by Storm

Although he 'spoke' German, the vaudevillian canine captured the heart of the nation

Thomas Edison's ideas fed the story that would become In the Deep of Time.

Thomas Edison’s Forgotten Sci-Fi Novel

By feeding his visions for the future to a well-regarded contemporary, the prolific inventor offered a peek into his brilliant mind

In World War II America, Female Santas Took the Reins

Rosie the Riveter wasn’t the only woman who pitched in on the homefront

Doctors Once Prescribed Terrifying Plane Flights to "Cure" Deafness

Stunt pilots, including a young Charles Lindbergh, took willing participants to the skies for (sometimes) death-defying rides

The “Scandalous” Quarter Protest That Wasn’t

Were Americans really so outraged by a semi-topless Lady Liberty that the U.S. Mint had to censor this coin?

"No one on earth can be totally secure, because nothing can completely protect you from life’s tragedies and the relentless passage of time.”

Michael Jackson, Donald Trump and Other Famous Americans Who Escaped Brushes With Death

The roads not taken for these 13 lucky souls saved their lives

Christa McAuliffe received a preview of microgravity during a special flight aboard NASA's KC-135 "zero gravity" aircraft. She was to be the first in a series of civilians in space

The Challenger Disaster Put an End to NASA’s Plan to Send Civilians Into Space

On the 30th anniversary of the space shuttle tragedy, a look back at an ambitious plan to put the rest of us into orbit

Ribbons of light slash through the darkness that is New York City during the Giant power Failure November (th. The "ribbons" are formed by the lights of vehicles moving along a highway.

When New York City Lost Power in 1965, Radio Saved the Day

How the news was reported on the day of the famous blackout

The Brief History of “Americanitis”

More than a century ago, the experts thought that Americans worked too hard, putting their collective health at risk

James Franco and Seth Rogen are just the latest actors to draw ire from political leaders.

"The Interview" Joins the Ranks of These Banned or Restricted Movies

From a Charlie Chaplin comedy to a Mae West melodrama, plenty of controversial films have been pulled or even destroyed since the dawn of cinema

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