Joe Palca

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors.

Palca began his journalism career in television in 1982, working as a health producer for the CBS affiliate in Washington, DC. In 1986, he left television for a seven-year stint as a print journalist, first as the Washington news editor for Nature, and then as a senior correspondent forScience Magazine.

In October 2009, Palca took a six-month leave from NPR to become science writer in residence at the Huntington Library and The Huntington Library, Art Collections, and Botanical Gardens.

Palca has won numerous awards, including the National Academies Communications Award, the Science-in-Society Award of the National Association of Science Writers, the American Chemical Society James T. Grady-James H. Stack Award for Interpreting Chemistry for the Public, the American Association for the Advancement of Science Journalism Prize, and the Victor Cohn Prize for Excellence in Medical Writing.

With Flora Lichtman, Palca is the co-author of Annoying: The Science of What Bugs Us (Wiley, 2011).

He comes to journalism from a science background, having received a Ph.D. in psychology from the University of California at Santa Cruz where he worked on human sleep physiology.

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Your Health
3:34 am
Mon March 9, 2015

Speeding Up Yeast's Evolution And What It Says About Cancer

Originally published on Mon March 16, 2015 8:10 am

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

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Joe's Big Idea
2:00 pm
Mon February 16, 2015

Climate Scientist Tries Arts To Stir Hearts Regarding Earth's Fate

Robert Davies (standing) and the quartet during a performance of "The Crossroads Project." Musicians include (left to right) Robert Waters, Rebecca McFaul, Anne Francis Bayless and Bradley Ottesen.
Andrew McCallister Courtesy of The Crossroads Project

Originally published on Tue February 17, 2015 10:45 am

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Animals
2:01 pm
Mon January 26, 2015

On The Ant Highway, There's Never A Backup

Originally published on Mon January 26, 2015 5:45 pm

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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Joe's Big Idea
1:34 am
Mon January 19, 2015

Why Ants Handle Traffic Better Than You Do

Unless there's a serious pileup, ants in traffic tend to bypass a collision and just keep going. A physicist has found a way to model this behavior with a mathematical equation.
iStockphoto

Originally published on Mon January 19, 2015 10:21 am

Could studying ants reveal clues to reducing highway traffic jams? Physicist Apoorva Nagar at the Indian Institute of Space Science and Technology thinks the answer is yes.

Nagar says he got interested in the topic when he came across a study by German and Indian researchers showing that ants running along a path were able to maintain a steady speed even when there were a large number of ants on the path.

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Research News
3:01 am
Mon December 15, 2014

Why Some Scientific Collaborations Are More Beneficial Than Others

Originally published on Fri December 19, 2014 11:09 am

Copyright 2014 NPR. To see more, visit http://www.npr.org/.

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