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PBS News Hour
How a litter of puppies could help save endangered animals
As conservationists struggle to save endangered species, a litter of adorable puppies -- and the secret behind their birth -- might provide a helpful breeding tool. The puppies, born in July, are the first successful examples of in vitro fertilization in canids, a technique that paves the way for future interventions for threatened wolves. Science producer Nsikan Akpan reports.
