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Ask a Scientist
Our monthly ‘Ask a Scientist’ column answers questions that come from UCS members and supporters.
Kindel Media/Pexels
photofunia.com
General Motors
Mark Stebnicki/Pexels
US Navy
NBC News Studios
Olivier Lantzendorffer/iStock.com
Sienna Falzetta/BLM
Dennis Schroeder/NREL
Dennis Schroeder/NREL
Esri/OpenStreetMap
Wikimedia Commons/ The Council of the Federation of the Federal Assembly of the Russian Federation
Video still by @damiengayle
Dave Center/Flickr
Michael Fleshman/Flickr
AP Photo/David Goldman
General Motors
Shutterstock/Casimiro PT
Source: Marcia Cassidy Communications
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Lou Oates/iStock
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Ortal Ullman/UCS