Scientists are analyzing the perfectly preserved remains of a prehistoric horse in a bid to clone the now-extinct animal. Recently discovered in permafrost in the Siberian region of Yakutia, the skin, hair, hooves and tail of the carcass are all preserved. The remains are estimated to be 30,000 to 40,000 years old. Experts believe that the foal was about 2 months old when it died. Semyon Grigoryev, head of the Mammoth Museum in the regional capital of Yakutsk, was surprised to see the perfect state of the find. He noted it's the best-preserved ancient foal found to date. The Siberian...