Mountain gorillas are one of the most endangered species in the world. Now they are facing a new threat, from the very tourism that is helping to protect them: exposure to human disease. This is the story of the Mountain Gorilla Veterinary Project and its work to provide medical care to the gorillas.

An introduction to bioacoustics that gives young readers "a deeper understanding of what has been, and has yet to be, learned about animal communication" (Kirkus Reviews).
Can whales communicate across miles of vast ocean? Can elephants talk to one another with sounds we cannot hear? These are the kinds of questions that drive the work of acoustic biologists. Follow three creative scientists—Christopher W. Clark, Katy Payne,

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Describes the work of a man who tracks trash as it travels great distances by way of ocean currents.

Extreme scientists battle some of the Earth's most intense conditions, from hurricanes to caves to the crowns of towering redwoods, in order to save lives, preserve species, and help us to better understand the way our planet works.

This book chronicles the efforts of Dr. Merlin Tuttle and his colleagues at Bat Conservation International, as they try and save bat species from loss of habitat and white-nose syndrome.

On remote Codfish Island off the southern coast of New Zealand live the last 91 kakapo parrots on earth. Originally this bird numbered in the millions before humans brought predators to the islands. Now on the isolated island refuge, a team of scientists is trying to restore the kakapo population.

The universe is rapidly expanding. Of that much scientists are certain. But how fast? And with what implications regarding the fate of the universe? Ellen Jackson and Nic Bishop follow Dr. Alex Fillippenko and his High-Z Supernova Search Team to Mauna Kea volcano in Hawaii, where they will study space phenomena and look for supernovae, dying stars that explode with the power of billions of hydrogen bombs. Dr. Fillippenko looks for black holes—areas...

Journey to the wave-battered coast of the Pacific Northwest to meet some of the engineers and scientists working to harness the punishing force of our oceans, one of the nature's powerful and renewable energy sources. With an array of amazing devices that cling to the bottom of the sea floor and surf on the crests of waves, these explorers are using a combination of science, imagination, and innovation to try to capture wave energy in the hopes

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