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Near-Earth Object To Come 25,000 Miles Close

An asteroid named Pitbull will barely miss Earth on Sunday. NPR's Lynn Neary talks to Paul Cox of the citizen astronomer group Slooh about why it's so difficult to keep track of these space rocks.
NPR

At 60 Tons, This Dinosaur Feared Nothing

Researchers have dug up the skeleton of one of the largest animals to have ever walked the earth. NPR's Lynn Neary talks to Matt Lamanna, who was part of the research team that made the discovery.
NPR

Mapping What You Cannot See, Cannot Know, Cannot Visit

We live on a planet, next to a star that's part of galaxy that's part of ... ah, here comes the new discovery. We are at the very tip of a giant galactic "supercluster." Take a look.
NPR

Up Close, The Lava Rolls From Bardarbunga

Simon Redfeld of Cambridge is a volcano researcher who is literally scooping up lava at the active volcano in Iceland. NPR's Scott Simon talks to him about whether Bardarbunga is ready to blow.
NPR

Cosmic Rays Sound Scary, But Radiation Risk On A Flight Is Small

Pilots and flight attendants in some countries are classified as "radiation workers" because of their extra exposure to cosmic rays. Scientists say these frequent fliers may face greater risks.
NPR

Cheap Drinking Water From The Sun, Aided By A Pop Of Pencil Shavings

Engineers have developed a low-cost material that efficiently sterilizes and desalinates water using only solar energy. The secret to the new technology is likely sitting right on your desk.
NPR

Building Me: A Puzzlement

I am made of atoms — 7,000 trillion trillion of them. How did I teach them to tie my shoes? Or did they teach me?
NPR

Federal Judge Decides BP Acted With Gross Negligence In Gulf Oil Spill

A federal judge has ruled that British Petroleum is guilty of gross negligence in the 2010 Deepwater Horizon oil rig explosion and oil spill. The decision means BP might be fined billions of dollars in penalties for its role.
NPR

Johnson & Johnson Pushes Ahead With Ebola Vaccine

The vaccine would target the Zaire species of Ebola that's now spreading through West Africa. The vaccine worked well in tests on macaque monkeys, and it could be tested in humans starting in 2015.
NPR

A Few Ebola Cases Likely In U.S., Air Traffic Analysis Predicts

What are the chances somebody with Ebola will fly to the U.S. by late September? One team of scientists says it could be as high as 18 percent. And the risk is even higher for the U.K.

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