Although climate change has come into the forefront as a major world problem recently, this is not the first time scholars have thought about the connection between fossil fuel and body fat.

We have already found some mammal bones at Mush - as yet unidentifiable - in addition to amazing fossil frogs with soft body parts preserved.

Many fossil apes are represented only by jaws and teeth, leaving us with little or no idea about their posture and locomotion, brain size or body mass.