Biotechnology is the practice of harnessing cellular and biomolecular processes to develop technologies and products that improve our lives and the health of our planet. It is often described as "programming life" itself, using nature's own toolkit to solve complex human problems. The Four Pillars of Biotechnology

The field is traditionally divided into four primary colors/sectors:

Biotechnology can be beautiful | Keira Havens | TEDxFrankfurt