San Francisco, California, USA. 22nd April, 2017. At the San Francisco March for Science, a man holds a humorous sign reading, "What do we want? Evidence-based science. When do we want it? After peer review." Thousands marched from Justin Herman Plaza down Market Street to the San Francisco Civic Center to show for support for science in the U.S. while also protesting Trump's major cuts to the Environmental Protection Agency, the National Institutes of Health and other science-related organizations and programs. An afternoon science fair was held at the Civic Center Plaza. Credit: Shelly Rivol

- Image ID: J1YT98
San Francisco, California, USA. 22nd April, 2017. At the San Francisco March for Science, a man holds a humorous sign reading, "What do we want? Evidence-based science. When do we want it? After peer review." Thousands marched from Justin Herman Plaza down Market Street to the San Francisco Civic Center to show for support for science in the U.S. while also protesting Trump's major cuts to the Environmental Protection Agency, the National Institutes of Health and other science-related organizations and programs. An afternoon science fair was held at the Civic Center Plaza. Credit: Shelly Rivol
Shelly Rivoli / Alamy Stock Photo
Image ID: J1YT98
Location: Market Street, San Francisco, CA, United States

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