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Bitcoin May Get a Whole Lot More Useful Soon

An eBay-owned company—that runs payments systems for AirBnB & Uber—is thinking about accepting Bitcoin

Demand for Renewable Energy Is Real

But the industry still has a few hitches to work out—like solar panels burning birds

Warm temperatures are contributing to, among other things, the drought in the western U.S.

ICYMI: July Was Really, Really Hot

This past July was the fourth hottest on record

Clouds of ash from the 2011 Grímvötn eruption in Iceland

One of Iceland’s Volcanoes Is Rumbling

It looks like another one of Iceland's volcanoes is ready to erupt

Why Are People Afraid of Colgate Total Toothpaste?

Bloomberg reports that customers are abandoning Colgate's Total brand because it contains triclosan

A current commercial satellite image of the Smithsonian Castle in Washington, DC, as seen in Google Earth. This isn't even zoomed all the way in.

The Latest Commercial Satellite Can See a Dinner Plate from Space

DigitalGlobe's WorldView-3 has a resolution of just over nine inches

A 'Bring Back Our Girls' campaigner addresses supporters at the Unity Fountain, on the 100th day of the abductions of more than 200 school girls by the Boko Haram, in Abuja on July 23, 2014.

Boko Haram Has Displaced 400,000 People, Even As the Nigerian Military Fights Back

The situation in Nigeria has only been getting worse

The NSA Seems to Have a Leaker Problem

Signs point to there being more than one NSA leaker

Maryam Mirzakhani, a mathematician at Stanford University, won the Fields Medal for breakthroughs in geometry and dynamical systems.

This Female Mathematician Just Became the First Woman to Ever Win the Fields Medal

The Fields Medal is mathematics' equivalent to the Nobel Prize

Robin Williams as Adrian Cronauer in the 1987 film Good Morning, Vietnam

Here's What the Real People Robin Williams Portrayed Had to Say About Him

Robin Williams played a number of real people throughout his career

Nurses in a Liberian hospital dressed in protective clothing to prevent the spread of Ebola

WHO Says ZMapp Is Ethical; Too Bad There's None Left

Small supplies of the drug bring up a whole host of other ethical dilemmas

A Perseid streaks across the sky over the archaeological site Stobi in modern-day Macedonia

The Perseids Meteor Shower Peaks Tonight

Watch the remains of comet Swift-Tuttle burn up in the atmosphere

Looking across old town towards The Citadel

Irbil, the Iraqi City the US Is Now Defending, Is One of the Oldest Continuously Inhabited Places in the World

Irbil, Iraq, has a long, long, long history

Satellite view of Hurricanes Iselle (left) and Julio (right) approaching Hawaii. From NASA's Aqua satellite

Hawaii Braces for Two Hurricanes—Its First in 22 Years

Hawaii doesn't see direct hits from hurricanes very often

Grayson the fish teased viewers earlier this morning by nearly going down the stairs.

Who's Better at Pokémon, Anarchist Twitch Players or a Betta Fish?

Anarchy seems to be more effective than a fish, so far

The world's first climate refugees hail from Tuvalu, a Polynesian island nation.

The World’s First Climate Change Refugees Were Granted Residency in New Zealand

A Tuvalese family said they can't go home because of climate change

A man looks at skulls and bones of more than 8,000 victims of the Khmer Rouge regime at Choeung Ek, a "Killing Fields" site located on the outskirts of Phnom Penh April 17, 2014.

35 Years Later, Some Khmer Rouge Leaders Convicted of Crimes Against Humanity

The genocidal Khmer Rouge revolution took place from 1975 to 1979

Yellowstone's Grand Prismatic Spring

This Is Why the Park Service Banned Drones—One Just Crashed Into a Famous Hot Spring

This is why we can't have nice things

The contested self-portrait.

If a Monkey Takes a Photo, No One Owns Copyright

The contested photo likely belongs to neither monkey nor man, but to the public domain

An image from NASA of algae blooms along the Gulf coast, seen here in teal. This image was taken by MODIS at an unspecified date.

The Gulf of Mexico's Dead Zone Is the Size of a Small State

The Gulf of Mexico's dead zone actually shrunk this year—but it's still the size of Connecticut

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