A scientist separates blood cells from plasma cells to isolate any Ebola RNA in order to test for the virus at the European Mobile Laboratory in Gueckedou, Guinea.

Africa's Ongoing Ebola Outbreak Is the Worst the World Has Ever Seen

Since February there have been 544 laboratory-confirmed cases of the disease in Guinea, Sierra Leone and Liberia

Flatten Out the Moons and Planets, And You Can See Just How Big Earth Actually Is

Comparing their surface areas side-by-side gives a sense of scale to some of the solar system's inhabitants

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Here Comes Hurricane Arthur—the First Storm of the Season

Hurricane Arthur won't be particularly strong, but a storm on Independence Day isn't great news

The Airman's Coin Ceremony during the final week of Air Force Basic Military Training at Lackland Air Force Base, Texas, April 4, 2013. After this event, individuals are no longer called a ''trainee.'' They've earned the right to be called ''Airman.'' Many Airman consider this to be one of the most significant events in their career.

More Than Two Thirds of American Youth Aren’t Good Enough for the Military, Says the Military

The military won't accept people prescribed ADHD medications—but that doesn't mean soldiers aren't using Adderall

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What If There's a Way to Explain Quantum Physics Without the Probabilistic Weirdness?

An old idea is back in vogue as physicists find support for "pilot wave theory," a competitor to quantum mechanics

A file photo of Facebook founder Mark Zuckerberg from November 2010.

Facebook's Mood-Manipulation Study Wasn't Nice But It Also Wasn't Very Good Science

Facebook tried to deliberately change the moods of some of its users

Hippos swim in an artificial lake in a farm in Puerto Triunfo, Colombia, December 21, 2006.

Blame Drug Lord Pablo Escobar for Colombia's Hippopotamus Problem

Pablo Escobar had hippos in his private zoo, since the 1990s those hippos have been roaming free

These mana potions won't actually let you cast fireballs.

How Did "Mana," An Austronesian Religious Idea, Become a Gaming Staple?

Anthropologist Alex Golub tracks the path of mana, from ancient Taiwan to fantasy gaming culture

Ukrainian President Petro Poroshenko talks to the media after this morning's EU meeting in Brussels, Belgium.

Ukraine Just Signed the Trade Deal That Was at the Heart of Its Revolutionary Uproar

When former Ukrainian President Viktor Yanukovych abandoned a EU trade deal, he sparked protests. His successor just signed it.

Lt. Col. Geoffrey Barnes, Detachment 1 46th Expeditionary Reconnaissance Attack Squadron commander, performs a pre-flight inspection of an MQ-1B Predator unmanned drone aircraft in September 3, 2008.

There Have Been 418 Major Drone Crashes Since 2001, Many of Them in the United States

Even the military is having drone problems

Members of the First Nation Tsleil-Waututh, Squamish and Musqueam bands paddle in traditional canoes during a Thanksgiving protest in North Vancouver, British Columbia October 14, 2013. The group are protesting the Trans Mountain Pipeline Expansion by energy company Kinder-Morgan and the increase of tanker traffic in the Burrard Inlet.

One of Canada's Biggest Cities Just Officially Admitted That It Was Built on Unceded Aboriginal Territory

Vancouver city council decided that the land still belongs to the Musqueam, Squamish and Tsleil-Waututh people

Big Antennas from the 1940s Are, Legally, the Same As Teeny Tiny Antennas in the 2010s

The fate of TV service start-up Aereo mirrors that of early cable companies

The Curiosity Rover Just Turned One Martian Year Old

Mars years are longer than Earth years

Damage from the 1964 Great Alaska Earthquake.

Since 1900, There Have Been Six Earthquakes Greater Than Magnitude 8 in Alaska

Alaska is no stranger to huge earthquakes

Half the Natural Gas Extracted in America Now Comes from Shale

Shale gas is growing in importance faster than anyone expected

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The Net’s Dark Side: Watch People Try to Hack Each Other, Live

A honeypot network tracks global hacking attempts in real time

An oasis in the desert. Tucson, Arizona, as seen from space. October 28, 2011.

Arizona Could Be Out of Water in Six Years

Prolonged drought and a rapidly expanding population are pushing Arizona's water system to its limit

These Nice, Safe Bike Lanes Will Make You Want to Jump on a Bike

Protected intersections already exist in the Netherlands. Could they ever come to the States?

The tiny little parasitic wasp Tamarixia radiata.

Scientists Think These Creepy Wasps Are Going to Save Oranges

Biological control—importing predators to fight an invasive species—has a nasty track record

William Powell and John Barrymore in the Silent Film Sherlock Holmes, 1922

“Sherlock Holmes” Is Now Officially Off Copyright and Open for Business

What amazing Holmes fan fiction will you create?

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