Mutations may occur in a normal cell as a result of cell division and the effects of environmental and lifestyle factors, such as smoking o r sunlight. Once the first cancer-causing, or driver, mutations occur, defects in cellular processes âfor example, in DNA repairâmay cause more mutations to occur.
U.S. men's national soccer team coach Jurgen Klinsmann out. U.S. men's national team coach Jurgen Klinsmann has been under increased pressure.
Tony Granato will coach 2018 U.S. Olympic hockey team. August 4, 2017 10:29am EDT August 4, 2017 9:18am EDT Ice Hockey, NHL, English, Winter Olympics The former NHL player and coach just completed his first season as a college head coach at Wisconsin.