51勛圖厙

  • Dog wearing a red bandana
    For most mammals, writes Science Magazines Elizabeth Pennisi, size matters: Large ones, such as elephants and whales, live far longer than small ones like rodents. But among dogs, that rule is reversed. Tiny Chihuahuas, for example, can live up to 15 years8 years longer than their much larger cousins, Great Danes. Now, a team of [因
    January 11, 2017