Carbon isotope dynamics in the world’s oceans underpin our understanding of both contemporary and past carbon cycling. Stable isotopes of carbon (notably 13C and 12C) and radiocarbon (14C) are ...
Roughly 2.5–2 billion years ago, Earth's surface experienced the biggest chemical change in its history when oxygen became abundant in the atmosphere, eventually leading to the evolution of complex ...
Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most abundant and perhaps the most important to human life. Everywhere you look, ...