科学家们说，音乐能让我们的大脑“开心”，这说明了音乐在世界各地文化中的重要性。
Scientists say that music makes our brain "feel happy" and it explains the importance of music in cultures all over the world.
例如一亿二千五百万年前存活在世的中华龙鸟种群，全身长满刚毛，科学家们从它们尾部的刚毛处发现存在有黑素体。
The 125-million-year-old species Sinosauropteryx, for example, has bristles on its skin, and scientists found melanosomes in the tail bristles.
李炳春称，美国、日本和欧洲的科学家此前已克隆出荧光鼠和荧光猪，但成功克隆出转基因狗在世界尚属首例。
Scientists in the us, Japan and in Europe previously have cloned fluorescent mice and pigs, but this would be the first time dogs with modified genes have been cloned successfully, Lee said.
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