Washington, Feb. 24--u.s. scientists said over 50 million years ago, the world has gotten hot over there at the moment and the horse size cats exist in the forest, the air around the klat North America. The horse in the primitive age which is called "papu fri SIM ..." The evolution to a smaller size so that it can adapt to higher temperatures at the time of the world covered with gas is then caused by the explosion of a volcano. The researchers analyzed the fossil teeth of horses found in Wyoming. Shows that the teeth of the horse, the smaller ones that indicate the evolution. The horse in the primitive age of smaller, almost 1 in 3 dimensions leftovers to the cats home small body weight 4 kg. 130000-year first term and gradual evolution, with a large 7 kg during the last year, 45000. In addition to the horses, there are also other mammals is approximately 1 in 3 that evolution to a smaller size in the interval. Some smaller from up to half Mr. Sikhod Rot Scientists who participate in research from the University of nep, sky-Lincoln said the discovery indicated a potential implying the same second in 1-2 century page, which nozzles are warmer temperatures 4° c in 100 years ahead and in the present, there are some types of birds was found to be smaller than in the past, which has cold temperatures than at present.
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