The rate of acquisition of genomic changes in cancer has been the topic of much discussion, with several recent investigations finding evidence of punctuated evolution instead of gradual accumulation ...

ACSL美国计算机科学思维挑战活动 ，原名美国计算机科学联赛，最初成立于1978年，起源于美国硅谷，最初名为the Rhode Island Computer Science League，后为the New England Computer ...