37,000-year-old saber-toothed 'kitten' found in Arctic permafrost, revealing new species insightsScientists say this is the first time in history that the appearance of an extinct mammal with no modern analogues has been studied. The saber-toothed kitten.(photo credit: Lopatin, A.V., Sotnikova, M.V., Klimovsky, A.I. et al.)
