Waring Rob: The Perfect Swarm (+ DVD)
(fb2, 24 страницы, 116 Kb)
Жанр: Heinle/Cengage Learn
Издательство: Heinle/Cengage Learn, 2009
In the 1800s, the Rocky Mountain locust brought massive destruction to Western settlers. Then, the insects suddenly disappeared-almost without a trace. Now scientists hope to find a reason for the locust's extinction. What caused the Rocky Mountain locust to disappear? Where will the scientists find the answers?