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Roberta Kwok is a freelance science writer who has contributed to Nature, New Scientist, Salon.com, Conservation, Science News for Kids, California, the Science News iPad app, and ScienceNOW. She earned her bachelor's degree in biology from Stanford University and worked as a software engineer for four years in Silicon Valley. After studying creative writing at Indiana University Bloomington, she completed a graduate certification program in science communication at the University of California, Santa Cruz. In 2010, Roberta won the American Geophysical Union's Walter Sullivan Award for Excellence in Science Journalism. She is based in the San Francisco Bay Area.

Follow Roberta on Twitter @robertakwok