Joe Palca

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A giant dust storm on Mars is threatening to end the mission of a NASA rover. The rover called Opportunity depends on solar panels to charge its batteries. Right now, the storm has practically blotted out the sun. NPR's Joe Palca has more.

An engineer in California has an invention that she hopes will someday help people with damaged lungs breathe easier.

Stanford University's Annelise Baron has developed a synthetic version of something called lung surfactant. Lung surfactant coats the tiny air sacs in the lung. Without it, every breath would be a struggle, like blowing up millions of little balloons. With surfactant, breathing is as easy as blowing soap bubbles.

A startup company in California is using machine learning and artificial intelligence to advise fire departments about how to plan for earthquakes and respond to them.

The company, One Concern, hopes its algorithms can take a lot of the guesswork out of the planning process for disaster response by making accurate predictions about earthquake damage. It's one of a handful of companies rolling out artificial intelligence and machine learning systems that could help predict and respond to floods, cyber-attacks and other large-scale disasters.

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Sometimes the true value of an invention isn't obvious until people start using it.

Consider what happened to inventor Nate Ball and his powered ascender. About 15 years ago, Ball was an undergraduate at the Massachusetts Institute of Technology when the U.S. Army approached MIT with a request: Can somebody build a powered device that can pull somebody up a rope, like Batman does?

The war in Syria is a conflict of the social media age. Everyone — the rebels, the government, ordinary citizens, everyone — has a cellphone.

And that means almost no bad deed goes unrecorded by someone.

If this were a Sherlock Holmes story, its title would surely be "The Case of the Disappearing Quasar."

Scientists at the University of Edinburgh have found a field of dinosaur footprints on the Isle of Skye. The footprints were made by giant dinosaurs 50 feet long that weighed nearly 20 tons. (This piece initially aired on Dec. 3, 2015, on All Things Considered.)

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The Nobel Prize has a special aura. Winning one instantly certifies you as someone who has reached the pinnacle of science.

But what does it take to win the prize? And what does it do to your life? There are different answers for every scientist, of course. But for Nobel laureate and chemist Harold "Harry" Kroto, some of the answers might surprise you.

"I've always felt that the Nobel Prize gives me nothing as far as science is concerned," Kroto told me when I visited him earlier this year in Tallahassee, Fla.

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And another Nobel Prize was awarded this morning.

(SOUNDBITE OF ARCHIVED RECORDING)

Researchers in Switzerland say they've solved a nearly 100-year-old astronomical mystery by discovering what's in the wispy cloud of gas that floats in the space between the stars.

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A team of Indian physicists has made a mathematical model that purports to explain why ants don't have traffic jams. NPR's Joe Palca explains as part of his series, Joe's Big Idea.

This story originally aired on Morning Edition on January 19, 2015.

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