Calling all “Ice Age” lovers: The frozen remains of a 35,000-year-old saber-toothed cat have been studied for the first time in history, according to a study published Thursday in the journal Scientific Reports. Calling all “Ice Age” lovers: The frozen remains of a 35,000-year-old saber-toothed cat have been studied for the first time in history, according to a study published Thursday in the journal Scientific Reports. NBC News Science