Do Dogs Love Us or do They Just Want Treats?

Researchers use brain imaging to figure out whether dogs love us—or if they just want treats.

PBS’ premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

NOVA Episodes

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Cat Tales

Goddess, demon, house pet? What does science say about the human relationship with cats?

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Dog Tales

Follow the epic journey of dog domestication and see what science says about dogs’ love.

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Polar Extremes

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

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Animal Espionage

Camera technology is revolutionizing the study of animals—without them even noticing.