On June 10, 2003, a little rover named Spirit blasted off on a rocket headed for Mars. On July 7, 2003, a twin rover named Opportunity soared through the solar system with the same mission: to find ou
A fact-filled story about a little girl and an evergreen tree that grow up side by side. Perfect for anyone who loves the natural world―or wonders about the origins of their holiday tree.On the mornin
Follow Piper the border collie and her canine classmates through a season of avalanche rescue training. As they learn the skills they need to become snow rescue dogs, you'll learn about the work these
From acclaimed Scientists in the Field author, Elizabeth Rusch, comes the electrifying story of the scientists and engineers who are working to transform ocean waves into electricity that energizes ou
No one ever thought the Pacific Northwest was due for an earthquake, let alone a catastrophic one. But geologists are transforming our understanding of the grave dangers the population in the region o
America is the greatest democracy in the world . . . isn''t it? Author Elizabeth Rusch examines some of the more problematic aspects of our government but, more importantly, offers ways for young peop
