• Dr. Kenny Broad & Wes Skiles
National Geographic grantee and Emerging Explorer Dr. Kenny Broad and National Geographic filmmaker Wes Skiles join Boyd to talk about their new NOVA/National Geographic documentary, Extreme Cave Diving, premiering Tues, Feb 9 at 8pm EST on PBS. Skiles and Broad talk with Boyd about exploring the most dangerous frontiers on the planet.
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• Paul Yeager
Can lightning strike out of the blue? Does it really make a difference if the heat is dry or humid? Meteorologist Paul Yeager answers these and other weather questions when he joins Boyd to talk about his new book, Weather Whys: Facts, Myths, and Oddities.
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• Charles Moore
Captain Charles Moore was sailing across the Pacific Ocean, home to California from Hawaii, when he found himself in a soup of plastic bits, 1,000 miles across. Shampoo caps, soap bottles, plastic bags and fishing floats as far as he could see. Moore founded the Algalita Marine Research Foundation to focus attention on the problem and he joins Boyd to talk about what we can do to stop the world from drowning in plastic.
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• David Braun
National Geographic News editor David Braun joins Boyd to talk about putting the squeeze on snakes.
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• George Steinmetz
Fly over a sea of sand with National Geographic photographer George Steinmetz as he captures the beauty of the Arabian Desert on film. Boyd talks with Steinmetz about his new book The Empty Quarter, and how he captured his images from a motorized paraglider.
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• Barbara King
Why do we dress up our cats? Why do we spend millions on doggie treats, toys, massages and pedicures? Boyd talks with author Barbara King about our strong emotional attachment to animals and her new book Being With Animals: Why We Are Obsessed With the Furry, Scaly, Feathered Creatures Who Populate Our World.
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• Colby Loucks
It’s the year of the tiger according to the Chinese lunar calendar. But it may not be a good year for tigers, unless humans change their behavior. World Wildlife Fund Deputy Director Colby Loucks tells Boyd that rising sea levels are endangering the Royal Bengal tigers of Bangladesh.
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• Jimmy Chin
The top of Mount Kilimanjaro isn’t the first place one would think to look for movie stars and musicians, but a group of celebrities, activists and mountain climbers recently scaled the 19,341-foot peak to focus attention on the need for clean water in Africa. Boyd talks with National Geographic Emerging Explorer and photographer Jimmy Chin who joined the group that included Jessica Biel, Emile Hirsch, Isabel Lucas and National Geographic Emerging Explorer Alexandra Cousteau, among others.
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• Boyd has had his own misadventures while cave diving and he shares some tips on what not to do.