In the early 20th century, the German biochemist Otto Warburg believed that tumors could be treated by disrupting their source of energy. His idea was dismissed for decades — until now... Theodor Boveri discovered that if he fertilized sea-urchin eggs with two sperm rather than one, some of the cells would end up with the wrong number of chromosomes and fail to develop properly....Boveri was aware that cancer cells, had abnormal chromosomes; whatever caused cancer, had something to do with chromosomes. ... Otto Warburg's... research, was hailed as a major breakthrough in our understanding of cancer..... Warburg was focused on...