The Carbon Cycle: Track the Path of Life's Essential Element

Scientists call carbon the chemical backbone of life on Earth. That’s because without carbon, there’d be no humans, animals, plants, microbes, or any other kind of life. In The Carbon Cycle: Track the Path of Life's Essential Element, young scientists explore how the first life forms that evolved on our planet consumed carbon and now, 4 billion years later, carbon is still the building block of all known forms of life.

Carbon regulat...