• Dave Morgan & Crickette Sanz
Boyd welcomes the real-life Tarzan and Jane to the studio. WCS Conservation Fellow Dave Morgan and his partner Crickette Sanz live with and study chimpanzees in the Congolese rainforest. Morgan and Sanz tell Boyd about their work and what they’ve learned living among the apes.
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• Alexandra Cousteau
As part of the Expedition: Blue Planet field program, National Geographic Emerging Explorer Alexandra Cousteau is jumping into lakes, rivers and oceans across the globe. Cousteau tells Boyd about her work raising awareness of global water issues.
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• Kim McKay
Kim McKay, author of True Green Life: In 100 Everyday Ways, joins Boyd to share some easy, effective tricks for living a truly green life, from packing to flying.
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• Casey Anderson
Naturalist Casey Anderson’s best friend happens to be a 900-pound grizzly bear named Brutus. Anderson and Brutus star in Expedition Wild, a new program on the Nat Geo WILD channel. Anderson tells Boyd how in the first program he teaches Brutus the ways of his wild relatives.
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• NDavid Braun—NG News
How do you get a frog in the mood for romance? Put them in the fridge, according to David Braun, head of National Geographic's daily online news.
NG News

• Eric Berkenpas, Mike Shepard and Graham Wilhelm
Boyd heads to the basement of National Geographic headquarters to find the CritterCam engineers tinkering away on their latest creations. Boyd talks with Eric Berkenpas, Mike Shepard and Graham Wilhelm about their work, which includes coaxing great white sharks into wearing cameras.
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• Stuart Pimm
Stuart Pimm, a National Geographic scientist and the Doris Duke Professor of Conservation Ecology and Environmental Sciences and Policy at Duke University, recently won the 2010 Tyler Environment Prize. Boyd talks to Pimm about the honor and his work in ecosystem restoration.
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• Don Belt
According to the bible, Jesus was baptized in the Jordan River. But a dunking in the water today could land you in the hospital. In the April 2010 National Geographic magazine article Parting the Waters, Don Belt writes how the fight to save this polluted and overused river might forge a path toward peace in the Middle East.
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• Scott Stuckey
Looking for ways to improve your photography? Boyd sits down with Scott Stuckey of National Geographic Traveler and author of the new book National Geographic Ultimate Field Guide to Travel Photography. Stuckey provides some useful, straightforward advice on how to improve your snap shots.
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• Story—Kids on Kilimanjaro
Boyd recalls the challenges he faced, and the accomplishment he felt, getting his children to climb Mount Kilimanjaro with him.