Christopher Joyce

Christopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.

Joyce seeks out stories in some of the world's most inaccessible places. He has reported from remote villages in the Amazon and Central American rainforests, Tibetan outposts in the mountains of western China, and the bottom of an abandoned copper mine in Michigan's Upper Peninsula. Over the course of his career, Joyce has written stories about volcanoes, hurricanes, human evolution, tagging giant blue-fin tuna, climate change, wars in Kosovo and Iraq and the artificial insemination of an African elephant.

For several years, Joyce was an editor and correspondent for NPR's Radio Expeditions, a documentary program on natural history and disappearing cultures produced in collaboration with the National Geographic Society that was heard frequently on Morning Edition.

Joyce came to NPR in 1993 as a part-time editor while finishing a book about tropical rainforests and, as he says, "I just fell in love with radio." For two years, Joyce worked on NPR's national desk and was responsible for NPR's Western coverage. But his interest in science and technology soon launched him into parallel work on NPR's science desk.

In addition, Joyce has written two non-fiction books on scientific topics for the popular market: Witnesses from the Grave: The Stories Bones Tell (with co-author Eric Stover); and Earthly Goods: Medicine-Hunting in the Rainforest.

Before coming to NPR, Joyce worked for ten years as the U.S. correspondent and editor for the British weekly magazine New Scientist.

Joyce's stories on forensic investigations into the massacres in Kosovo and Bosnia were part of NPR's war coverage that won a 1999 Overseas Press Club award. He was part of the Radio Expeditions reporting and editing team that won the 2001 Alfred I. duPont-Columbia University journalism award and the 2001 Sigma Delta Chi award from the Society of Professional Journalists. Joyce won the 2001 American Association for the Advancement of Science excellence in journalism award.

Scientists still can't predict an earthquake. The U.S. government, however, has a warning system in the works that it hopes could quickly send out a widespread alarm before most people feel a rumble — and save lives when seconds count.

The recently upgraded network of seismometers and computers, known as ShakeAlert, is advancing through the prototype-testing stage, Sally Jewell, secretary of the U.S. Department of the Interior, said at a news conference Tuesday.

If you've been digging out of snowbanks lately, as many people in the East have been after a record-setting blizzard, blame the oceans.

Scientists have been doing some forensic work to figure out what set this megastorm in motion. And they think they've found a trail that starts with the weather pattern called El Niño.

El Niño starts in the tropical Pacific. Every few years, the ocean there gets unusually warm. This year is one of the biggest El Niños ever. Heat and moisture from it have been swept up into the tropical jet stream and carried eastward.

Two teams of geologists say portions of the seafloor along the Aleutian Islands in southwestern Alaska could produce tsunamis more devastating than anything seen in the past century. They say California and Hawaii are directly in the line of fire.

At the end of every year, U.S. meteorologists look back at what the nation's weather was like, and what they saw in 2015 was weird. The year was hot and beset with all manner of extreme weather events that did a lot of expensive damage.

December, in fact, was a fitting end.

Editor's note: One of the most intriguing stories we ran in 2015 looked at — and listened to — how the invention of the stethoscope changed medicine. We're presenting it again, in case you missed it in July.

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So far, the international climate meeting in Paris has primarily been about words, as diplomats wrestle with the precise language of a treaty. But some surprising climate science was unveiled this week, too — a new measurement of carbon dioxide emissions into the atmosphere that suggests the world's production of the globe-warming gas has taken a small dip.

For more than 20 years, world leaders have been trying to craft a solution to global warming, without a lot of success. During that time, the U.S. government has been like the big-ticket movie star who has been offered the lead role, but won't commit.

President Obama, though, thinks he has figured how the United States can once again star, even without the support of the U.S. Congress.

Negotiators and heads of state from nearly 200 countries are meeting for the next two weeks near Paris to craft a new treaty to slow global warming.

It's the 21st "Conference of the Parties" held by the United Nations to tackle climate change. One treaty emerged, in 1997, after the conference in Kyoto, Japan. That's no longer in effect, and, in fact, the Kyoto Protocol, as it's known, didn't slow down the gradual warming of the planet.

Delegates from nearly 200 nations are in Paris to negotiate a new agreement to curb global warming.

The first such meeting took place 18 years ago in Kyoto, Japan — a conference that produced the first international treaty aimed at slowing climate change. That attempt failed.

Scientists say the planet is closer than ever to a climate catastrophe. So this time, the climatocracy has devised a radically new approach, requesting all countries to come up with voluntary limits on greenhouse gasses. The new plan also offers poorer countries cash to help offset their costs.

Something unusual is happening in America's wilderness — some animals and plants are moving away from their native habitats. The reason is a warming climate. It's getting too hot where they live.

Species that can't migrate may perish, so some biologists say we need to move them. But they admit that's a roll of the dice that violates a basic rule of conservation: If you want to keep the natural world "natural," you don't want to move plants and animals around willy-nilly.

What's come to be called "the nation's T. rex" now stands — though not in the United States. It's in Canada.

The nearly complete and much heralded Tyrannosaurus skeleton — the first ever owned by the Smithsonian's National Museum of Natural History — was discovered in 1988 by a Montana rancher, Kathy Wankel, and will eventually find a new home in a grand display in the Washington, D.C., museum.

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In a series called Close Listening: Decoding Nature Through Sound, Morning Edition has been profiling scientists who explore the natural world by listening to it.

But sometimes listening isn't enough — scientists have to record animals and even talk back to them to figure out what they're saying.

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