A Jarvik-7 artificial heart in the Smithsonian's collection.

Remembering Barney Clark, Whose Ethically Questionable Heart Transplant Advanced Science

Three decades ago, a dentist agreed to receive the first artificial heart. And then things went downhill

A booking photo from Rosa Parks' arrest on December 1, 1955.

Sixty-Six Years After Rosa Parks Took a Seat in Montgomery, Protest Is Alive in America

The civil rights leader likely would have approved of current activists' work

The Ford assembly line in 1913.

In 1913, Henry Ford Introduced the Assembly Line: His Workers Hated It

It was seen as one more way the automaker could exert rigid control over his employees

The Flying Scotsman in 2003

The 'Flying Scotsman' Made Train History When The Speedometer Hit 100

The first locomotive to hit 100 miles per hour was billed as "The Most Famous Train in the World"

Evel Kneivel shown here in this promotional still from the 2015 documentary Being Evel, about to launch in the Skycycle X-2, a steam-powered rocket, wearing a helmet, of course.

Risk-Taker Evel Knievel Was a Big Proponent of Wearing a Helmet

The daredevil still holds the world record for the most broken bones

Not the meteorite that struck Ann Hodges, this five-inch-long chunk was recovered from Siberia.

For the Only Person Ever Hit by a Meteorite, the Real Trouble Began Later

The "Hodges meteorite" brought problems to the woman it struck, but good fortune to at least one neighbor

Robert McNamara meeting with Pres. Lyndon B. Johnson in the White House.

How Robert McNamara Came to Regret the War He Escalated

The 'architect of the Vietnam war' never formally apologized, but struggled with its consequences for the rest of his life

Madeleine L'Engle, with granddaughters Charlotte and Léna, in 1976.

The Beloved, Baffling 'A Wrinkle in Time' Was Rejected By 26 Publishers

Author Madeleine L'Engle, whose birthday is today, almost quit writing before it was published

French toast, also known as lost bread, German toast, and "poor knights' pudding" is celebrated today, but it tastes great any day.

There Are as Many Names for French Toast as Ways to Cook It

People have been enjoying the eggy bread treat since Roman times

J. Frank Duryea, left, and race umpire Arthur W. White, right, in the 1895 Duryea during the Chicago Times-Herald race, the first automobile race in the U.S.

The Forgotten Car That Won America's First Auto Race

The zippy roadster won America's first automobile race in 1895 with an average speed of 5 mph

What kept giraffes apart so long that they developed into separate species?

There Are Four Giraffe Species—Not Just One

The downside to this revelation: several of the new species are critically endangered

Suspected 1665 Great Plague pit unearthed at Crossrail Liverpool Street site

DNA from 17th-Century Teeth Confirms Cause of London’s Great Plague

Skeletons excavated from a mass grave during London’s Crossrail project yield new clues about the ancient mystery

The Emperor Napoleon in His Study at the Tuileries

Even Napoleon Had an Unpublished Manuscript, and Now It’s up for Auction

His handwritten novella captures his feelings toward love at age 26

"Everything is awesome," Lego executives might as well be singing.

North America Is Crazy For Lego Toys and the Manufacturer Can’t Keep Up

The bricks keep kids and adults coming back for more

Celebrate 50 Years of International Literacy Day With the British Library

Butterflies, rabbits and Shakespeare: there's something for everybody

Delayed InSight Mission to Mars Slated to Launch in 2018

With redesigned equipment, scientists hope to unearth how the Red Planet came to be

Benjamin photographed at Beaumaris Zoo in 1933.

Remembering the Tasmanian Tiger, 80 Years After It Became Extinct

Today, the animal’s memory is alive and well in Australia

Philae's final resting spot on the comet. If you look closely the robotic lander's raised leg can be seen in the middle of the image's right edge.

After Two Years of Searching, Comet Lander Philae Finally Found

Photographs of the small probe come just weeks before the mission ends with Rosetta’s comet touchdown

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