“Krebs cycle, discovered in 1937 by Hans Krebs but invented over millions of years of evolution at the dawn of life. It is the eight-stroke chemical reaction that turns fuel into energy in the process of metabolism that is essential to all life, from bacteria to redwoods.”

“Krebs cycle, discovered in 1937 by Hans Krebs but invented over millions of years of evolution at the dawn of life. It is the eight-stroke chemical reaction that turns fuel into energy in the process of metabolism that is essential to all life, from bacteria to redwoods.”

— John Brockman