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Space Fence, a radar system sponsored by the U.S. Air Force and built by Lockheed Martin, should help the U.S. detect and track more of the estimated 500,000 pieces of space debris.

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U.S. Air Force Builds New Radar for Space Junk

It’s called Space Fence and should help us track the estimated 500,000 pieces of debris that orbit Earth

The soaring choir at Beauvais Cathedral was first constructed in the 1200s.

New Research

Europe's Great Gothic Cathedrals Weren't Built Just of Concrete

The designers and builders of Europe's great Gothic cathedrals weren't actually so innovative

Cattle graze on the open range in this shot from ca. 1920-1930.

Cool Finds

The 1887 Blizzard That Changed the American Frontier Forever

A blizzard hit the western open range, causing the “Great Die Up” and transforming America’s agricultural history

New Research

Monkeys Can Learn to Recognize Themselves in the Mirror

Generations of monkeys had tried and failed a classic test of intelligence, but the fault may have been in the way humans thought of the test

Marian Anderson as Ulrica in the Verdi opera Un ballo in maschera

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60 Years Ago, the First African-American Soloist Sang at the Met Opera

Marian Anderson performed as the fortuneteller Ulrica in Verdi’s Un Ballo in Maschera

Doctors, army officers and reporters protect themselves during the 1918 pandemic.

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The Flu Has Been Making People Sick for At Least 500 Years

The 1918 flu pandemic gets all the headlines, but the malady is thought to have first appeared in the 16th century—and possibly earlier

This portrait features Dr. Edward Jenner inoculating James Phipps, the first person to receive the smallpox vaccine.

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The Art of Vaccinations

The Art of Saving a Life is connected to a fundraising effort for an international group working to eradicate disease through vaccinations

European immigrants arrive in America.

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Ellis Island Isn’t to Blame for Your Family’s Name Change

A long-standing myth obscures the truth behind the Americanization of some European names

An atomic clock at the Physical Technical Federal Institution in Braunschweig, Germany.

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2015 Will Be One Second Longer Than 2014

Because the Earth is rotating more slowly than the tick of our atomic clocks, says the International Earth Rotation Service

An artist's rendition of Kepler, on the hunt for planets like our own.

Cool Finds

Visit Kepler's Exoplanets—And Don't Worry About the Natives (At Least for Now)

NASA has made a set of travel posters themed to exoplanets while a nonprofit searches for life among them

New Research

Fossils Show How Flying Fish Started to Glide

In the quest to avoid being eaten, some fish took a leap into the open air

Cool Finds

Jurassic Park May Have Been Right—Some Dinosaurs Hunted in Packs

The film inspired paleontologists to discover the truth about dinos, including whether raptors were social hunters

New Research

Scientists Can Tell How Old a Star Is by Observing How Fast It Spins

A newly proven method can pinpoint the age of stars with at least 90% accuracy

New Research

Insecticide-Treated Nets May Create Super Mosquitoes

Two species of mosquitos have interbred, giving rise to hybrids that can resist the most potent weapons used against them

Henry Ford whispers in Thomas Edison's ear

Cool Finds

A Test Tube in Michigan Holds the Air From Thomas Edison's Death Room

Two famous inventors, one glass tube and a museum mystery

An albino bottlenose dolphin, like this one but without its melanin, was spotted off the coast of Florida in December.

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An Albino Dolphin Was Spotted Off the Coast of Florida

It is only the 15th albino dolphin sighting recorded by the National Oceanic and Atmospheric Administration

A newspaper was the first item found upon opening the capsule.

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What Was Found Inside the Oldest American Time Capsule

Historians in Boston have just cracked open a brass box originally buried in 1795 by Paul Revere and Samuel Adams

New Research

There is A Scientific Reason That Cold Weather Could Cause Colds

The rhinovirus that most commonly causes colds likes chillier temperatures, where the host's immune system doesn't fare so well

The location of Genghis Khan's grave has been a mystery for centuries.

New Research

Amateur Explorers Are Using High-Res Satellite Images to Search for Genghis Khan's Tomb

Amateur explorers used ultra-high resolution satellite images to help search for the grave of one of the world’s most powerful rulers

The BelAZ 75710 is the world's largest dump truck — note people in the bottom right for scale.

Cool Finds

This Is the World’s Largest Dump Truck

The mega Earth-mover is hard at work digging a coal mine in Russia

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