Professor Robert Weinberg explains that cancer cells have to learn how to grow in the absence of growth stimulatory signals that normal cells require from their environment.
Professor Robert Weinberg discusses how cancer cells have to learn how to avoid the process of programmed cell death known as apoptosis carried out in normal cells.
Professor Robert Weinberg explains how cancer cells have to learn how to become angiogenic, that is to say attract blood vessels to grow into the tumor mass.