Season 31, Episode 11 Dogs and More Dogs

First Aired: February 3, 2004

“Dogs and More Dogs” explores how and why dogs evolved from wolves in less than 10,000 years, and why (scientifically speaking) they hooked up with people. Their domestication, it seems, was wolf-inspired: they learned that if they stuck close to humans, they'd be fed. And their diversity (400 breeds) stems from the various things that people had some---but not other---dogs do. And why do people like dogs so much? “They're very good at showing they like us,” says James Serpel of the University of Pennsylvania's School of Veterinary Medicine. John Lithgow narrates.

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  • Premiered: March 3, 1974
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  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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