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Attack of the (Adorable) Clones: Puppies Are 'Reclones' of First Cloned DogMeet the puppies that were cloned from the world's first cloned dog.
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Mammoth resurrection: 11 hurdles to bringing back an ice age beastThe road to bringing back the mammoth — a giant that went extinct at the end of the last ice age — is filled with barriers.
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Should a 'Resurrected' Dodo or Mammoth Get a New Name?If scientists could resurrect extinct animals — such as the dodo, Columbian mammoth or Tasmanian tiger — should these animals have different names that distinguish them from the original species?
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8 Mammals That Have Been Cloned Since Dolly the SheepIt was 20 years ago this week that scientists announced the first successful cloning of a mammal — the now-famous sheep Dolly.
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20 Years After Dolly the Sheep, What Have We Learned About Cloning?
Today marks the 20th anniversary of the announcement of Dolly the sheep, the first mammal cloned from an adult cell.
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Dolly the Sheep's Clone 'Sisters' Are Healthy in Old AgeFour cloned sheep that are genetically identical to Dolly, the first cloned mammal, are still healthy even in old age, a new study found.
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Woolly Mammoth Clones Closer Than Ever, Thanks to Genome SequencingThe woolly mammoth's genome has been sequenced, revealing several key adaptations to the cold that could help scientists design elephant-mammoth hybrids.
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Can the Long-Extinct Woolly Mammoth Be Cloned?An ancient mammoth preserved in permafrost could yield the best hoping of cloning the extinct beast yet.
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Photos: A 40,000-year-old mammoth autopsyAn ancient mammoth preserved in permafrost could be the best chance of cloning the extinct beast yet.
