In mammals,the litter size is approximately half the number of mammae,known as the‘one-half rule’,which has been recognized since the time of Aristotle in ancient Greece(Aristotle,1937)and applies to many species(Gi...In mammals,the litter size is approximately half the number of mammae,known as the‘one-half rule’,which has been recognized since the time of Aristotle in ancient Greece(Aristotle,1937)and applies to many species(Gilbert,1986;Diamond,1987).In contrast,arboreal squirrels,including flying squirrels,notably diverge from this norm by producing fewer offspring(Gilbert,1986).However,the reasons underlying this smaller litter size in arboreal squirrels have long remained elusive.展开更多
The Chinese version of Broadway’s musical sensation set to run for six months The Chinese version of Mamma Mia!,one of the most popular musicals in the world,has come to China,to demonstrate the charm of the musical ...The Chinese version of Broadway’s musical sensation set to run for six months The Chinese version of Mamma Mia!,one of the most popular musicals in the world,has come to China,to demonstrate the charm of the musical to Chinese citizens in three major cities in 2011.展开更多
文摘In mammals,the litter size is approximately half the number of mammae,known as the‘one-half rule’,which has been recognized since the time of Aristotle in ancient Greece(Aristotle,1937)and applies to many species(Gilbert,1986;Diamond,1987).In contrast,arboreal squirrels,including flying squirrels,notably diverge from this norm by producing fewer offspring(Gilbert,1986).However,the reasons underlying this smaller litter size in arboreal squirrels have long remained elusive.
文摘The Chinese version of Broadway’s musical sensation set to run for six months The Chinese version of Mamma Mia!,one of the most popular musicals in the world,has come to China,to demonstrate the charm of the musical to Chinese citizens in three major cities in 2011.
