Countries Agree to Cut Harmful Refrigerants: What You Need to Know

Over the weekend, nearly 200 nations agreed to phase out hydrofluorocarbons, a super greenhouse gas used in air conditioners and refrigerators

Hubble's eXtreme Deep Field Image

There Are Ten Times as Many Galaxies as Previously Thought

By these latest estimates, two trillion galaxies are scattered throughout the vast universe

Did the Greeks Help Sculpt China's Terra Cotta Warriors?

New analysis and DNA evidence suggests the 8,000 life-sized figures in emperor Qin Shi Huang's necropolis owe their inspiration to the Greeks

Bhumibol Adulyadej, also known as King Rama IX of the Chakri Dynasty

What to Know Now That the King of Thailand Has Died

Political uncertainty and potential unrest follows the death of the beloved Bhumibol Adulyadej

Rendering of Vegavis iaai in flight

Antarctic Fossil Suggests Ancient Birds Honked Not Sang

Recent analysis of two fossils provides the first evidence of ancient noisemakers

Capsules Reveal Once Highly Classified Pieces of WWII Air Campaign

Two shipping barrels opened by the Commemorative Air Force contain one of the more intriguing technologies of the second world war

Silkworm cocoons

Feeding Silkworms Carbon Nanotubes and Graphene Makes Super-Tough Silk

A diet rich in graphene or carbon nanotubes causes the creatures to produce a fiber twice as strong as normal silk

How Virtual Reality Is Helping Prosecute Nazi War Criminals

A new, detailed 3D simulation of the Auschwitz-Birkenau camp is helping prosecutors build stronger cases against these still-living Nazis

Fans cheer for Team Korea at the 2014 FIFA World Cup in Brazil.

Athletes Rejoice: Study Shows Sex Before Competitions Is Probably Fine

There's no evidence that getting down and dirty before sporting events has negative effects—and it may have benefits

Landmark Settlement Seeks to Address Decades of Harassment Faced by Female Mounties

The historic apology to women in the Royal Canadian Mounted Police comes with steps to prevent future abuse

Alfred Jacob Miller's "Buffalo Jump," 1859-1860

1,600-Year-Old Feast Unearthed in Alberta

Archeologists at Head-Smashed-in-Buffalo Jump have excavated a rare roasting pit with the meal still left inside

Coming Soon: Otter-Inspired Wetsuits

A team at MIT has figured out exactly how otter and beaver fur keeps the animals warm in cold water

Check Out This 3D Tour of a Villa in Ancient Pompeii

The Swedish Pompeii Project has digitally recreated a wealthy bankers villa and an entire city block using 3D scans from the devastated city

One of the Wentworth elms rediscovered at Holyroodhouse

"Extinct" Variety of Tree Rediscovered at Queen's Palace in Scotland

Two Wentworth elms identified at Holyroodhouse escaped Dutch elm disease, which destroyed millions of other trees

María Esther Heredia Lecaro de Capovilla lived to be 116 years and 347 days old. Here she is at age 115.

Have Humans Hit Their Maximum Lifespan?

Researchers say 115 years old is the ceiling for most of us—with a few outliers able to live a bit longer

How the Reno Gang Launched the Era of American Train Robberies

150 years ago today, the first-ever train robbery took place in Indiana, setting off decades of shoot outs and bloodshed

Jean-Pierre Sauvage, Sir J. Fraser Stoddart and Bernard L. Feringa

Nobel Prize in Chemistry Awarded for Big Advancements in Ultra-Tiny Machines

The winning trio created the building blocks of nanomachines that have the potential to revolutionize many fields of science and industry

Botswana Unexpectedly Reverses Course on Ivory Trade

The southern African nation now supports protection for the animals instead of limited sales of ivory

$25.5 Million Raphael Painting Discovered in Scottish Manor House

An art historian working for a BBC television show recognized a painting in a dark corner as the work of the Renaissance master

Gold signet ring showing five elaborately dressed female figures gathered by a seaside shrine

Gold Rings Found in Warrior's Tomb Connect Two Ancient Greek Cultures

Analysis of four gold rings and some 2,000 other recently uncovered objects points to the exchange of ideas and goods between two ancient peoples

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