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 Conservation: Protecting Our Plant Resources (Green Technology)Conservation refers to the careful and controlled use of natural resources for the purpose of extending the time they are available as well as retaining biodiversity. Conservation does not prevent the loss of plants, trees, land, water, or habitat; it simply slows the rate of degradation of these things. This new book explores aspects of... |  |  The Adventures of Tintin in the Land of the SovietsThis new facsimile reprint of the very first adventure of one of the world's most beloved cartoon characters shows Tintin's creator, the famed Belgian cartoonist Herge, just beginning to learn his craft. The story was originally created in 1929 for a children's supplement in the Belgian newspaper Le Vingtieme Siecle. Readers meet Tintin,... |  |  How Fighter Pilots Use Math (Math in the Real World)The jet engine roars as Colonel Maria Sanchez races the F-35 down the runway. The plane leaps into the air. At 1,000 feet, she banks and circles the Air Force base to give three other fighter planes time to take off and join her.
Sanchez heads north. The three other planes fall into formation around her. Together, the planes make a... |
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