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Bison Fossils Offer Clues to Track Human Migration Into the Americas

DNA analysis of bison fossils show that people likely migrated down the Pacific coast and not through the Rocky Mountains

The Castle Bravo test at Bikini Atoll was more than 1,000 times more powerful than the bomb the United States dropped on Hiroshima.

New Research

The Marshall Islands Are Becoming Less Nuclear

A new study finds that the abandoned nuclear test sites aren't much more radioactive than Central Park

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Last Known 9/11 Search-and-Rescue Dog Dies

Bretagne was the last surviving dog from the 300 that worked at the World Trade Center site

Paul Amotun Lokoro and Anjelina Nadai Lohalith of South Sudan, part of the Olympic's first team of refugees

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Olympics Allows Refugees to Compete on Their Own Team

Ten refugee-athletes from Syria, Sudan, Ethiopia and the Republic of Congo will compete at the Rio Olympics

This head protector was worn by Muhammad Ali—then known as Cassius Clay—while he trained to battle Sonny Liston in 1964.

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Headgear Fit for a Champion: What Muhammad Ali Left Behind

The boxer may be dead, but physical traces of his audacious life remain

An Airbus A300 jumbo jet like this has been sunk off the Turkish coast to create an artificial reef.

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Turkey Sunk an Airplane to Turn It Into a Reef

An Airbus jumbo jet will soon become home to all sorts of sea life

Larval perch with a stomach full of microplastic

New Research

Baby Fish Prefer Plastic Over Natural Food

Larval perch gorge themselves on microplastics, which seems to be stunting growth and affecting natural instincts

The cover to one of A-No.1's books about his life as a hobo.

Cool Finds

After a Century, an Anthropologist Picked up the Trail of the "Hobo King"

One hundred-year-old graffiti by “A-No.1” and others were found by the L.A. River

Cool Finds

X-Rays Reveal "Hidden Library" on the Spines of Early Books

Researchers are uncovering fragments of medieval texts used in early book binding

Money tossed into a fountain at New York City's Metropolitan Museum of Art.

Cool Finds

What Happens to the Coins Tossed Into Fountains?

All that money has to go somewhere

It's thought that JFK's heartfelt letter to his mistress, Mary Pinchot Meyer, was written just a month before his assassination.

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A Steamy Letter From JFK Is up for Auction

The president had a real way with the ladies—and with an em dash

One of the olm eggs laid in January 2016.

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A Rare Blind Salamander’s Eggs Are Finally Hatching

Biologists have waited with bated breath for months

This year's ConIFA World Football Cup will be anything but average.

Cool Finds

There's a World Cup for Unrecognized States

This game is for soccer's international underdogs

Cool Finds

Instead of Tagging Real-Life Surfaces, Graffiti Artists Can Use a New Simulator

Fake bombing has never felt so real

The longer a structure has been exposed to the water, the more weathered it appeared.

New Research

This "Lost Underwater City" Was Actually Made by Microbes

Though these formations may not be evidence of a lost city, they show off some intriguing chemistry

Dogs: more complicated than you ever imagined.

New Research

Ruff News: Man’s Best Friend May Have Been Domesticated Twice

Where did Fido come from? It’s complicated

King Tut may have had a thing for meteorites.

New Research

King Tut’s Dagger Was Made From a Meteorite

X-ray spectroscopy lays a decades-long metal mystery to rest

La Cité du Vin.

Cool Finds

Bordeaux’s New Wine Museum Is Open for Business

The “City of Wine” is a vino lover’s amusement park

New restrictions will make it harder to sell ivory from African elephants.

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The U.S. Just Announced an Unprecedented Ban on African Ivory

Will tighter rules help reduce global demand?

A tiger held captive at Thailand's so-called "Tiger Temple" in 2011.

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Thailand’s Controversial "Temple Tigers" Are Finally Free

Thai officials found nearly 140 captive tigers as well as 40 dead cubs kept in freezers at the self-proclaimed sanctuary

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