Christopher Joyce

Christopher Joyce appears in the following:

Scientists Try Radical Move To Save Bull Trout From A Warming Climate

Thursday, October 08, 2015

Bull trout are dwindling in Montana as their home waters warm and invasive fish devour them. Scooping up threatened fish and moving them higher up the mountain could backfire. Is the risk worth it?


'Nation's T. Rex' Strikes A Rapacious Pose

Thursday, October 01, 2015

Drills and screws would damage the frail, 65.5 million-year-old bones of the Smithsonian's 38-foot-long Tyrannosaurus rex. So how do you make it stand? Blacksmiths in Canada are working their magic.


Obama And Xi Emerge From Meeting With Big-Ticket Promise On Climate

Friday, September 25, 2015

Chinese President Xi Jinping and President Obama agreed on at least one thing this week: They need to coordinate action to lower greenhouse gas emissions to combat climate change.


How Sound Shaped The Evolution Of Your Brain

Thursday, September 10, 2015

Sound gets into our brains and processed so quickly that it shapes all other perceptions, says neuroscientist Seth Horowitz. "You hear anywhere from 20 to 100 times faster than you see."


Squirrels Mimic Bird Alarms To Foil The Enemy

Thursday, September 03, 2015

It can take more than just a keen ear to figure out what animals are saying. Sometimes, scientists are learning, you have to talk back to map the rich networks of conversation in a forest.


Good Vibrations Key To Insect Communication

Thursday, August 27, 2015

For some insects, sound waves or vibrations are the real social media — high-speed rumbles sent through the air and along leaf stems to help the bugs claim territory, send warnings and find mates.


To Decode Elephant Conversation, You Must Feel The Jungle Rumble

Thursday, August 20, 2015

The trumpeting roar of an elephant is loud. But scientists living with herds in the forests of central Africa say the deep rumbles that humans can't hear, but can feel, carry crucial messages, too.


Listening To Whale Migration Reveals A Sea Of Noise Pollution, Too

Thursday, August 13, 2015

Christopher Clark, an engineer turned whale biologist, wired the world's oceans with hydrophones. Whales sing as they migrate, he learned. And the ship sounds clouding the ocean can deeply interfere.


It Took A Musician's Ear To Decode The Complex Song In Whale Calls

Thursday, August 06, 2015

Male humpback whales create "songs" together, scientists say. Katy Payne was the first to hear the shifts in pitch and pattern in the collective calls as complex music — haunting, evolving tunes.


Obama Challenges Power Engineers To Do More With Less

Monday, August 03, 2015

If the president's Clean Power Plan survives legal and political challenges, the nation's electricity industry will have 15 years to remake itself and reduce CO2 emissions by a hefty margin.


Close Listening: How Sound Reveals The Invisible

Thursday, July 30, 2015

The stethoscope seems so simple — a 19th century tool for listening more closely to the human heart or lungs. It also sparked a culture of listening that is transforming the way scientists learn.


Bones In Church Ruins Likely The Remains Of Early Jamestown's Elite

Tuesday, July 28, 2015

Scientists say remains of four men exhumed from what was once an Anglican church suggest they were well-nourished, "high-status" leaders in the early 17th century colony. And one was likely Catholic.


2 Gene Studies Suggest First Migrants To Americas A Complex Mix

Tuesday, July 21, 2015

Scientists assume a wave of people from what's now Siberia crossed into North America via Alaska, maybe 23,000 years ago. Genetics support that, but may also suggest another wave from Australasia.


Science Confirms 2014 Was Hottest Yet Recorded, On Land And Sea

Friday, July 17, 2015

The international report card is out and confirms the hottest average on record — for a third time in 15 years. More than 400 scientists contributed data, finding a spike in sea and air temperatures.


Supreme Court Rules In Industry's Favor. What's EPA's Next Move?

Monday, June 29, 2015

Monday's decision from the high court technically only applies to the Clean Air Act's standards on mercury emissions from power plants. But it could affect future EPA regulations, legal experts say.


DNA Tracking Of Ivory Helps Biologists Find Poaching Hotspots

Friday, June 19, 2015

To stop elephant slaughter in Africa, zoologist Sam Wasser spent years extracting DNA from elephant dung and tissue. Much of the world's poached ivory, he discovered, comes from just two hotspots.


DNA Confirms Kennewick Man's Genetic Ties To Native Americans

Thursday, June 18, 2015

The new evidence suggests the ancient skeleton is closely related to members of a Washington state tribe. The findings are likely to rekindle an old debate between scientists and Native Americans.


Scientists, Fishing Fleet Team Up To Save Cod — By Listening

Monday, June 15, 2015

Atlantic cod have become scarce along the coast, though catch limits have been reduced by 80 percent. Researchers are now tracking the sound of mating cod, hoping to help fishing boats avoid them.


Revealed: The Ocean's Tiniest Life At The Bottom Of The Food Chain

Friday, May 22, 2015

The ocean's tiniest inhabitants — including bacteria, plankton, krill — are food for most everything that swims or floats. Now, scientists have completed a count of this vast and diverse hidden world.


In Arctic Drilling Debate, A Dispute Over Cleanup Preparedness

Friday, May 15, 2015

Royal Dutch Shell can drill oil exploration wells this summer in the Chukchi Sea, if Shell shows it can prevent and clean up a potential spill. Environmentalists are skeptical; Shell says it's ready.