Other purposes of gene editing include making crops more resistant to viruses and bacteria and better able to cope with extremes of heat and cold caused by global warming. One day, gene editing could alter people's DNA and prevent certain diseases from developing. In some circles, gene editing is controversial, though the science behind it is widely viewed as legitimate. Source: rafapress / Shutterstock.com Vertex Pharmaceuticals (VRTX) Vertex Pharmaceuticals is a more mature and established biotech company ...