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Read articles, including Science News stories written for ages 9-14, on the SNK website.
LITTLE BIG PLAYERS

To carry out their synthetic feats, biologists typically turn to microbes that have short genetic instruction books and reproduce quickly. Organisms worthy of note include, clockwise from top left, Saccharomyces cerevisiae, Salmonella, Mycoplasma genitalium and Escherichia coli. Credit: Clockwise from top left: Masur/Wikimedia Commons; Janice Haney Carr/CDC; SPL/Science Source; Elapied/Wikimedia Commons

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