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What makes rotten food (or dirty socks) smell? Probably bacteria or another microorganism. The casual language and line drawings informs while encouraging experimentation with everyday items.
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Anne Sullivan arrived at the Keller home in 1887, writing letters to a friend about how she worked with a deaf and blind girl named Helen.
Kenya is looking for a favorite song to share with her class. She and her father attend a Caribbean music festival in search of it — but Kenya doesn't find it there. Instead, she creates an original song that celebrates everyone's music!
Meet Henrietta Leavitt, a 19th-century scientific pioneer. From careful observations, Leavitt discovered that the brightness of a star determines its distance from Earth, helping us better understand the vastness of the universe.