Researchers studying the human brain shared a lot of fascinating research this year, like how to keep brains young and how to reduce inflammation in joints.
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Jon Hamilton is a correspondent for NPR's Science Desk. Currently he focuses on neuroscience and health risks.
Scott Simon is one of America's most admired writers and broadcasters. He is the host of Weekend Edition Saturday and is one of the hosts of NPR's morning news podcast Up First. He has reported from all fifty states, five continents, and ten wars, from El Salvador to Sarajevo to Afghanistan and Iraq. His books have chronicled character and characters, in war and peace, sports and art, tragedy and comedy.