In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose venom may yield new life-saving drugs.
Emperor penguins march along the ice on Cape Washington on Antarctica's Ross Sea. Contrary to popular belief, these ...
Photographic reference with facts about twenty-five hundred animal species that detail animal habitats, life cycles, and conservation efforts. Includes glossary and separately paged section at the end ...
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