The Krebs cycle, also known as the citric acid cycle, is a series of enzymatic reactions that releases energy from stored carbohydrates, fats, and proteins. The Krebs Cycle was first proposed by Hans ...

Metabolism is a key process in living things that enables fuel to be turned into energy, but its evolutionary origin is a long-standing enigma. Now, a study by US researchers has found a simple ...

A set of chemical reactions occurring spontaneously in Earth’s early chemical environments could have provided the foundations upon which life evolved. The discovery that a version of the Krebs cycle, ...