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17 April 2014 12:48 pm ,
Vol. 344 ,
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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Live Chat: Do Hungry Primates Live Longer?
19 September 2012 10:42 am
See below for the chat box. Join us each Thursday at 3 p.m. EDT for a live conversation with leading scientists and expert reporters.
Last month, researchers reported that cutting calories didn’t extend life in primates—but 3 years earlier, another study seemed to show the opposite. The findings underscore confusion about how calorie restriction affects the body and whether it can be counted on to slow aging. Why did the two long-running studies get different results? What do we really know about this closely studied—and heavily hyped—life extender?
Join us for a live chat at 3 p.m. EDT on Thursday, 20 September, on this page. You can leave your questions in the comment box below before the chat starts. The full text of the chat will be archived on this page.
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Ricki J. Colman
Ricki J. Colman is the senior scientist at the Wisconsin National Primate Research Center (WNPRC) at the University of Wisconsin, Madison. In addition to her role as an independent scientist, Dr. Colman is also the core leader of the aging and metabolism unit at WNPRC, is an adviser to the behavioral management unit at WNPRC, and is the leader of the aged monkey resource at WNPRC.
Julie Mattison is a staff scientist/facility head of the primate aging studies program at the National Institute on Aging, Intramural Research Program. She is studying the effect of calorie restriction and calorie restriction mimetics on aging processes, health span, and life span.
Jennifer Couzin-Frankel has been a staff writer for Science since 2002, covering an eclectic mix of stories in biomedical and clinical research, scientific misconduct, and ethics.